Re: Dell XPS15 9570

[Thomas Letherby]

Leander, that seems to be just the ticket!

Looks like that's solved the issue at first sniff, but I'll have more time
to poke around tomorrow and make sure it's all happy.

Thanks again, and I'll post back when I've had more time to run it through
its paces.

Thomas



On Tue, Aug 21, 2018 at 6:23 PM Leander Hutton 
wrote:

> On 08/21/2018 12:39 AM, Thomas Letherby wrote:
> > Doesn't seem to have a monitor section, but this may be because it's a
> > laptop so the nVidia and Intel gfx are interconnected, I also don't have
> > a 98-monitor.conf file.
> >
> > Might have something to do with it...
> >
> > Restarting SDDM on another terminal just gets me the usual black screen.
> >
> > Installed the latest patches too just in case, no dice there either.
>
> I ran into the same blank screen bug a while back on KDE spin of Fedora
> with a Precision 7720 (Quadro P3000/Intel Graphics). I finally figured
> out that adding the following options to /etc/sddm/Xsetup file and
> leaving graphics switching on in the BIOS allowed SDDM to start normally
> with the nVidia drivers:
>
> xrandr --setprovideroutputsource modesetting NVIDIA-0
> xrandr --auto
>
> I haven't seen that suggested yet in the thread, if it has and I've
> overlooked it my apologizes.
>
> Leander
>
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Re: Dell XPS15 9570

[Leander Hutton]

On 08/21/2018 12:39 AM, Thomas Letherby wrote:
> Doesn't seem to have a monitor section, but this may be because it's a
> laptop so the nVidia and Intel gfx are interconnected, I also don't have
> a 98-monitor.conf file.
> 
> Might have something to do with it...
> 
> Restarting SDDM on another terminal just gets me the usual black screen.
> 
> Installed the latest patches too just in case, no dice there either.

I ran into the same blank screen bug a while back on KDE spin of Fedora
with a Precision 7720 (Quadro P3000/Intel Graphics). I finally figured
out that adding the following options to /etc/sddm/Xsetup file and
leaving graphics switching on in the BIOS allowed SDDM to start normally
with the nVidia drivers:

xrandr --setprovideroutputsource modesetting NVIDIA-0
xrandr --auto

I haven't seen that suggested yet in the thread, if it has and I've
overlooked it my apologizes.

Leander

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Re: Dell XPS15 9570

[Ed Greshko]

On 08/21/18 12:39, Thomas Letherby wrote:
> Tim - I don't believe so, it's a 4K screen so there shouldn't be much it can't
> display, and previewing the theme seems to work ok.
>
> Tried installing Haveged suggested in the Ubuntu bug report, but no dice. That
> seems to be mostly people using Gnome, but it's interesting they're seeing 
> the same
> issue.
>
> My X config as created by the nVidia settings:

What appears below is *NOT* an X config file!   It is the settings for the
"nvidia-settings" Utility!

You went to the last line on the left hand side of the Utility which reads
"nvidia-settings Configuration" and not the second line on the Utility which 
reads
"X Server Display Configuration"!!

>
> #
> # /home/testuser/nvidia-settings-rc
> #
> # Configuration file for nvidia-settings - the NVIDIA X Server Settings 
> utility
> # Generated on Mon Aug 20 21:29:02 2018
> #
>
> # ConfigProperties:
>
> RcFileLocale = C
> DisplayStatusBar = Yes
> SliderTextEntries = Yes
> IncludeDisplayNameInConfigFile = Yes
> ShowQuitDialog = Yes
> UpdateRulesOnProfileNameChange = Yes
> Timer = Memory_Used_(GPU_0),Yes,3000
> Timer = Thermal_Monitor_(GPU_0),Yes,1000
> Timer = PowerMizer_Monitor_(GPU_0),Yes,1000
>
> # Attributes:
>
> testlaptop.test.domail:1.0/LogAniso=0
> testlaptop.test.domail:1.0/FSAA=0
> testlaptop.test.domail:1.0/TextureClamping=1
> testlaptop.test.domail:1.0/FXAA=0
> testlaptop.test.domail:1.0/FSAAAppControlled=1
> testlaptop.test.domail:1.0/LogAnisoAppControlled=1
> testlaptop.test.domail:1.0/OpenGLImageSettings=1
> testlaptop.test.domail:1.0/FSAAAppEnhanced=0
>
> Doesn't seem to have a monitor section, but this may be because it's a laptop 
> so
> the nVidia and Intel gfx are interconnected, I also don't have a 
> 98-monitor.conf file.

That is because it isn't what I've asked of you.  And, I thought my 
instructions and
examples were clear, but you are *creating* a 98-monitor.conf.


-- 
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fact.



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Re: Dell XPS15 9570

[Thomas Letherby]

Invidia-xconfig created the config in /etc/X11/xorg.conf though, however
when I went to grab that it appears startx and sddm are now failing to load
at all.

Not sure if that's something I've done, or the latest patches so I'll
reinstall and to get us back to a known config, and then install the
drivers again.

Hopefully I can get that done tomorrow and get back to testing.

Thomas

On Mon, Aug 20, 2018 at 9:39 PM Thomas Letherby  wrote:

> Tim - I don't believe so, it's a 4K screen so there shouldn't be much it
> can't display, and previewing the theme seems to work ok.
>
> Tried installing Haveged suggested in the Ubuntu bug report, but no dice.
> That seems to be mostly people using Gnome, but it's interesting they're
> seeing the same issue.
>
> My X config as created by the nVidia settings:
>
> #
> # /home/testuser/nvidia-settings-rc
> #
> # Configuration file for nvidia-settings - the NVIDIA X Server Settings
> utility
> # Generated on Mon Aug 20 21:29:02 2018
> #
>
> # ConfigProperties:
>
> RcFileLocale = C
> DisplayStatusBar = Yes
> SliderTextEntries = Yes
> IncludeDisplayNameInConfigFile = Yes
> ShowQuitDialog = Yes
> UpdateRulesOnProfileNameChange = Yes
> Timer = Memory_Used_(GPU_0),Yes,3000
> Timer = Thermal_Monitor_(GPU_0),Yes,1000
> Timer = PowerMizer_Monitor_(GPU_0),Yes,1000
>
> # Attributes:
>
> testlaptop.test.domail:1.0/LogAniso=0
> testlaptop.test.domail:1.0/FSAA=0
> testlaptop.test.domail:1.0/TextureClamping=1
> testlaptop.test.domail:1.0/FXAA=0
> testlaptop.test.domail:1.0/FSAAAppControlled=1
> testlaptop.test.domail:1.0/LogAnisoAppControlled=1
> testlaptop.test.domail:1.0/OpenGLImageSettings=1
> testlaptop.test.domail:1.0/FSAAAppEnhanced=0
>
> Doesn't seem to have a monitor section, but this may be because it's a
> laptop so the nVidia and Intel gfx are interconnected, I also don't have a
> 98-monitor.conf file.
>
> Might have something to do with it...
>
> Restarting SDDM on another terminal just gets me the usual black screen.
>
> Installed the latest patches too just in case, no dice there either.
>
> Thomas
>
>
>
> On Mon, Aug 20, 2018 at 9:57 AM Nataraj 
> wrote:
>
>> On 08/17/2018 04:52 AM, Frédéric wrote:
>> >> I installed the drivers using the below. Problem is the same, black
>> screen on boot, but you can shift to another terminal and startx. The
>> nVidia control panel shows the driver loaded and reports OK.
>> > I've got exactly the same problem. I'm on F27. I have had a black sddm
>> > screen for 5 weeks (started July 7th 2018)  but startx works from a
>> > terminal.
>> > Also on DELL computer but on a Precision 7810 tower. Also with nvidia
>> drivers.
>> >
>> > Here is an error I found in journalctl (full log below):
>> > Aug 11 21:03:25 gamma sddm-greeter[2143]: Failed to create OpenGL
>> > context for format QSurfaceFormat(version 2.0, options
>> > QFlags(), depthBufferSize 24,
>> > redBufferSize -1, greenBufferSize -1, blueBufferSize -1,
>> > alphaBufferSize -1, stencilBufferSize 8, sam
>> >
>> > F
>>
>>
>> You might want to take a look at this bug in Ubuntu 18.04 which appears
>> to have been caused by a complex interaction between the display manager
>> and certain kernel changes and possible some problems with getrandom.
>> IN the beginning people though it was just a kernel bug, but people
>> later found that installing a different display manager, installing a
>> daemon to improve the generation of random input and several other
>> workarounds all affected the problem.
>>
>>
>> https://bugs.launchpad.net/bugs/1779827
>>
>>
>> 
>>
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Re: Dell XPS15 9570

[Thomas Letherby]

Tim - I don't believe so, it's a 4K screen so there shouldn't be much it
can't display, and previewing the theme seems to work ok.

Tried installing Haveged suggested in the Ubuntu bug report, but no dice.
That seems to be mostly people using Gnome, but it's interesting they're
seeing the same issue.

My X config as created by the nVidia settings:

#
# /home/testuser/nvidia-settings-rc
#
# Configuration file for nvidia-settings - the NVIDIA X Server Settings
utility
# Generated on Mon Aug 20 21:29:02 2018
#

# ConfigProperties:

RcFileLocale = C
DisplayStatusBar = Yes
SliderTextEntries = Yes
IncludeDisplayNameInConfigFile = Yes
ShowQuitDialog = Yes
UpdateRulesOnProfileNameChange = Yes
Timer = Memory_Used_(GPU_0),Yes,3000
Timer = Thermal_Monitor_(GPU_0),Yes,1000
Timer = PowerMizer_Monitor_(GPU_0),Yes,1000

# Attributes:

testlaptop.test.domail:1.0/LogAniso=0
testlaptop.test.domail:1.0/FSAA=0
testlaptop.test.domail:1.0/TextureClamping=1
testlaptop.test.domail:1.0/FXAA=0
testlaptop.test.domail:1.0/FSAAAppControlled=1
testlaptop.test.domail:1.0/LogAnisoAppControlled=1
testlaptop.test.domail:1.0/OpenGLImageSettings=1
testlaptop.test.domail:1.0/FSAAAppEnhanced=0

Doesn't seem to have a monitor section, but this may be because it's a
laptop so the nVidia and Intel gfx are interconnected, I also don't have a
98-monitor.conf file.

Might have something to do with it...

Restarting SDDM on another terminal just gets me the usual black screen.

Installed the latest patches too just in case, no dice there either.

Thomas



On Mon, Aug 20, 2018 at 9:57 AM Nataraj 
wrote:

> On 08/17/2018 04:52 AM, Frédéric wrote:
> >> I installed the drivers using the below. Problem is the same, black
> screen on boot, but you can shift to another terminal and startx. The
> nVidia control panel shows the driver loaded and reports OK.
> > I've got exactly the same problem. I'm on F27. I have had a black sddm
> > screen for 5 weeks (started July 7th 2018)  but startx works from a
> > terminal.
> > Also on DELL computer but on a Precision 7810 tower. Also with nvidia
> drivers.
> >
> > Here is an error I found in journalctl (full log below):
> > Aug 11 21:03:25 gamma sddm-greeter[2143]: Failed to create OpenGL
> > context for format QSurfaceFormat(version 2.0, options
> > QFlags(), depthBufferSize 24,
> > redBufferSize -1, greenBufferSize -1, blueBufferSize -1,
> > alphaBufferSize -1, stencilBufferSize 8, sam
> >
> > F
>
>
> You might want to take a look at this bug in Ubuntu 18.04 which appears
> to have been caused by a complex interaction between the display manager
> and certain kernel changes and possible some problems with getrandom.
> IN the beginning people though it was just a kernel bug, but people
> later found that installing a different display manager, installing a
> daemon to improve the generation of random input and several other
> workarounds all affected the problem.
>
>
> https://bugs.launchpad.net/bugs/1779827
>
>
> 
>
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Re: Dell XPS15 9570

[Nataraj]

On 08/17/2018 04:52 AM, Frédéric wrote:
>> I installed the drivers using the below. Problem is the same, black screen 
>> on boot, but you can shift to another terminal and startx. The nVidia 
>> control panel shows the driver loaded and reports OK.
> I've got exactly the same problem. I'm on F27. I have had a black sddm
> screen for 5 weeks (started July 7th 2018)  but startx works from a
> terminal.
> Also on DELL computer but on a Precision 7810 tower. Also with nvidia drivers.
>
> Here is an error I found in journalctl (full log below):
> Aug 11 21:03:25 gamma sddm-greeter[2143]: Failed to create OpenGL
> context for format QSurfaceFormat(version 2.0, options
> QFlags(), depthBufferSize 24,
> redBufferSize -1, greenBufferSize -1, blueBufferSize -1,
> alphaBufferSize -1, stencilBufferSize 8, sam
>
> F


You might want to take a look at this bug in Ubuntu 18.04 which appears
to have been caused by a complex interaction between the display manager
and certain kernel changes and possible some problems with getrandom. 
IN the beginning people though it was just a kernel bug, but people
later found that installing a different display manager, installing a
daemon to improve the generation of random input and several other
workarounds all affected the problem.


https://bugs.launchpad.net/bugs/1779827






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Re: Dell XPS15 9570

[Ed Greshko]

On 08/19/18 13:01, Thomas Letherby wrote:
> Typing my password in logs in fine, so it's definitely something stopping 
> sddm from
> displaying the screen, rather than a total failure.

Sorry for the multiple replies to the previous post.  But I was thinking about 
this
issue this evening and I've got another thing you may want to try.

After bringing up KDE go to a konsole window and run nvidia-settings.  One menu 
item
is "X Server Display Configuration".   Use "Save to X Configuration File" to 
save the
configuration to a file in your home directory.

Edit that file so it only contains the Monitor, Device, and Screen sections.  
Then
copy that file, as root, to /etc/X11/xorg.conf.d/98-monitor.conf and reboot.

FWIW, mine on my old acer looks like this

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings:  version 340.107  (buildmeister@swio-display-x64-rhel04-13)  
Thu
May 24 22:29:46 PDT 2018

Section "Monitor"
    # HorizSync source: edid, VertRefresh source: edid
    Identifier "Monitor0"
    VendorName "Unknown"
    ModelName  "Chi Mei Optoelectronics corp."
    HorizSync   30.0 - 75.0
    VertRefresh 59.9
    Option "DPMS"
EndSection

Section "Device"
    Identifier "Device0"
    Driver "nvidia"
    VendorName "NVIDIA Corporation"
    BoardName  "GeForce 8600M GS"
EndSection

Section "Screen"
    Identifier "Screen0"
    Device "Device0"
    Monitor    "Monitor0"
    DefaultDepth    24
    Option "Stereo" "0"
    Option "nvidiaXineramaInfoOrder" "DFP-0"
    Option "metamodes" "nvidia-auto-select +0+0"
    Option "SLI" "Off"
    Option "MultiGPU" "Off"
    Option "BaseMosaic" "off"
    SubSection "Display"
    Depth   24
    EndSubSection
EndSection


-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.


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Re: Dell XPS15 9570

[Ed Greshko]

On 08/20/18 00:45, Frédéric wrote:
>> When you boot and get the blank screen.  If you do "Ctrl-Alt-F2" and then 
>> login in
>> text mode if you do "sudo systemctl restart sddm" will you have the login 
>> display
>> when you switch back?
> When I do that on my computer, it comes back automatically to F1 black screen.

Your issue is different than the OP's based on your logs from a different post.

Aug 11 21:03:25 gamma sddm[1698]: Auth: sddm-helper exited with 6

means a process is dying with a segfault.  You need to start a separate thread. 


-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.



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Re: Dell XPS15 9570

[Ed Greshko]

On 08/20/18 05:48, Ed Greshko wrote:
> On 08/19/18 14:39, Tim via users wrote:
>> Allegedly, on or about 18 August 2018, Thomas Letherby sent:
>>> Typing my password in logs in fine, so it's definitely something
>>> stopping sddm from displaying the screen, rather than a total
>>> failure.
>> Is it using an unsupported (by your monitor) screen mode, and the
>> monitor is simply blanking out?
>>
> Your issue is different than the OP's based on your logs from a different 
> post.
>
> Aug 11 21:03:25 gamma sddm[1698]: Auth: sddm-helper exited with 6
>
> means a process is dying with a segfault.  You need to start a separate 
> thread. 
>

Opppsss  Replied to wrong message at 05:48

-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.



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Re: Dell XPS15 9570

[Ed Greshko]

On 08/19/18 14:39, Tim via users wrote:
> Allegedly, on or about 18 August 2018, Thomas Letherby sent:
>> Typing my password in logs in fine, so it's definitely something
>> stopping sddm from displaying the screen, rather than a total
>> failure.
> Is it using an unsupported (by your monitor) screen mode, and the
> monitor is simply blanking out?
>
Your issue is different than the OP's based on your logs from a different post.

Aug 11 21:03:25 gamma sddm[1698]: Auth: sddm-helper exited with 6

means a process is dying with a segfault.  You need to start a separate thread. 

-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.



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Re: Dell XPS15 9570

[Frédéric]

> When you boot and get the blank screen.  If you do "Ctrl-Alt-F2" and then 
> login in
> text mode if you do "sudo systemctl restart sddm" will you have the login 
> display
> when you switch back?

When I do that on my computer, it comes back automatically to F1 black screen.

F
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Re: Dell XPS15 9570

[Tim via users]

Allegedly, on or about 18 August 2018, Thomas Letherby sent:
> Typing my password in logs in fine, so it's definitely something
> stopping sddm from displaying the screen, rather than a total
> failure.

Is it using an unsupported (by your monitor) screen mode, and the
monitor is simply blanking out?

-- 
[tim@localhost ~]$ uname -rsvp
Linux 4.16.11-100.fc26.x86_64 #1 SMP Tue May 22 20:02:12 UTC 2018 x86_64

Boilerplate:  All mail to my mailbox is automatically deleted.
There is no point trying to privately email me, I only get to see
the messages posted to the mailing list.

If you don't understand how e-mail threading works, then follow the
instructions given by those who do, and don't argue with them.
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Re: Dell XPS15 9570

[Ed Greshko]

On 08/19/18 13:01, Thomas Letherby wrote:
> Typing my password in logs in fine, so it's definitely something stopping 
> sddm from
> displaying the screen, rather than a total failure.


One other small test.

When you boot and get the blank screen.  If you do "Ctrl-Alt-F2" and then login 
in
text mode if you do "sudo systemctl restart sddm" will you have the login 
display
when you switch back?

-- 
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fact.



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Re: Dell XPS15 9570

[Ed Greshko]

On 08/19/18 13:01, Thomas Letherby wrote:
> Typing my password in logs in fine, so it's definitely something stopping 
> sddm from
> displaying the screen, rather than a total failure.
>
> I do have those options set at boot, I posted before and after I installed the
> nVidia drivers, so i probably caused some confusion there.
>
> I did also try adding a 30 second timer as per
> https://bugzilla.redhat.com/show_bug.cgi?id=1350107 but no dice there either.


OK  

So, yes, a strange sddm issue.  I get the feeling it may be trying to use an 
output
which isn't really connected. 

What is the output of "xrandr" after you've successfully logged in?

-- 
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fact.



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Re: Dell XPS15 9570

[Thomas Letherby]

Typing my password in logs in fine, so it's definitely something stopping
sddm from displaying the screen, rather than a total failure.

I do have those options set at boot, I posted before and after I installed
the nVidia drivers, so i probably caused some confusion there.

I did also try adding a 30 second timer as per
https://bugzilla.redhat.com/show_bug.cgi?id=1350107 but no dice there
either.

Thomas


On Sat, Aug 18, 2018 at 9:10 PM Ed Greshko  wrote:

> On 08/19/18 09:15, Thomas Letherby wrote:
> >
> > ps -eaf | grep sddm
> >
> > root  1497 1  0 17:59 ?00:00:00 /usr/bin/sddm
> > root  1501  1497  0 17:59 tty1 00:00:00 /usr/libexec/Xorg
> -nolisten tcp
> > -auth /var/run/sddm/{a1d9270c-38d2-4241-8d36-caf7228d5813} -background
> none
> > -noreset -displayfd 16 -seat seat0 vt1
> > root  1640  1497  0 17:59 ?00:00:00 /usr/libexec/sddm-helper
> --socket
> > /tmp/sddm-autheb500c3c-e0c2-4f60-a477-8589baccf976 --id 2 --start
> > /usr/bin/sddm-greeter --socket /tmp/sddm-:0-WzNaeg --theme
> > /usr/share/sddm/themes/01-breeze-fedora --user sddm --greeter
> > sddm  1641 1  0 17:59 ?00:00:00 /usr/lib/systemd/systemd
> --user
> > sddm  1643  1641  0 17:59 ?00:00:00 (sd-pam)
> > sddm  1648  1641  0 17:59 ?00:00:00 /usr/bin/pulseaudio
> --daemonize=no
> > sddm  1649  1640  1 17:59 ?00:00:00 /usr/bin/sddm-greeter
> --socket
> > /tmp/sddm-:0-WzNaeg --theme /usr/share/sddm/themes/01-breeze-fedora
> > sddm  1674  1641  0 17:59 ?00:00:00 /usr/bin/dbus-daemon
> --session
> > --address=systemd: --nofork --nopidfile --systemd-activation
> --syslog-only
> > sddm  1700  1648  0 17:59 ?00:00:00
> /usr/libexec/pulse/gconf-helper
> > sddm  1702  1641  0 17:59 ?00:00:00 /usr/libexec/gconfd-2
> > testuser  1789  1740  0 18:00 tty2 00:00:00 grep --color=auto sddm
>
>
> I don't see anything wrong with the above.  All looks like what my systems
> look like.
>
> That being said, I just looked back on your previous logs and noticed that
> your
> kernel boot line seems significantly different than mine.
>
> In your Xorg.log you have
>
> [22.816] Kernel command line:
> BOOT_IMAGE=/vmlinuz-4.17.12-200.fc28.x86_64
> root=/dev/mapper/fedora-root ro resume=/dev/mapper/fedora-swap rd.lvm.lv
> =fedora/root
> rd.luks.uuid=luks-0f4479d6-17df-4fb0-a29f-02feb8367c61 rd.lvm.lv
> =fedora/swap
> nomodeset=1 rhgb quiet LANG=en_US.UTF-8
>
> While I have
>
> [ 8.437] Kernel command line:
> BOOT_IMAGE=/vmlinuz-4.17.14-202.fc28.x86_64
> root=UUID=4455f2e9-fed2-4e1e-856d-642b531547f9 ro rhgb quiet
> LANG=en_US.UTF-8
> rd.driver.blacklist=nouveau modprobe.blacklist=nouveau nvidia-drm.modeset=1
>
> I wonder if you make changes at boot time to add those extra bits if it
> would make
> any difference?
>
> Also, while you do have a blank screen it seems sddm thinks all is fine.
> Wonder what
> would happen if you typed in your password.
>
>
> --
> Conjecture is just a conclusion based on incomplete information. It isn't
> a fact.
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Re: Dell XPS15 9570

[Ed Greshko]

On 08/19/18 09:15, Thomas Letherby wrote:
>
> ps -eaf | grep sddm
>
> root  1497 1  0 17:59 ?    00:00:00 /usr/bin/sddm
> root  1501  1497  0 17:59 tty1 00:00:00 /usr/libexec/Xorg -nolisten 
> tcp
> -auth /var/run/sddm/{a1d9270c-38d2-4241-8d36-caf7228d5813} -background none
> -noreset -displayfd 16 -seat seat0 vt1
> root  1640  1497  0 17:59 ?    00:00:00 /usr/libexec/sddm-helper 
> --socket
> /tmp/sddm-autheb500c3c-e0c2-4f60-a477-8589baccf976 --id 2 --start
> /usr/bin/sddm-greeter --socket /tmp/sddm-:0-WzNaeg --theme
> /usr/share/sddm/themes/01-breeze-fedora --user sddm --greeter
> sddm  1641 1  0 17:59 ?    00:00:00 /usr/lib/systemd/systemd 
> --user
> sddm  1643  1641  0 17:59 ?    00:00:00 (sd-pam)
> sddm  1648  1641  0 17:59 ?    00:00:00 /usr/bin/pulseaudio 
> --daemonize=no
> sddm  1649  1640  1 17:59 ?    00:00:00 /usr/bin/sddm-greeter --socket
> /tmp/sddm-:0-WzNaeg --theme /usr/share/sddm/themes/01-breeze-fedora
> sddm  1674  1641  0 17:59 ?    00:00:00 /usr/bin/dbus-daemon --session
> --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
> sddm  1700  1648  0 17:59 ?    00:00:00 
> /usr/libexec/pulse/gconf-helper
> sddm  1702  1641  0 17:59 ?    00:00:00 /usr/libexec/gconfd-2
> testuser  1789  1740  0 18:00 tty2 00:00:00 grep --color=auto sddm


I don't see anything wrong with the above.  All looks like what my systems look 
like.

That being said, I just looked back on your previous logs and noticed that your
kernel boot line seems significantly different than mine.

In your Xorg.log you have

[    22.816] Kernel command line: BOOT_IMAGE=/vmlinuz-4.17.12-200.fc28.x86_64
root=/dev/mapper/fedora-root ro resume=/dev/mapper/fedora-swap 
rd.lvm.lv=fedora/root
rd.luks.uuid=luks-0f4479d6-17df-4fb0-a29f-02feb8367c61 rd.lvm.lv=fedora/swap
nomodeset=1 rhgb quiet LANG=en_US.UTF-8

While I have

[ 8.437] Kernel command line: BOOT_IMAGE=/vmlinuz-4.17.14-202.fc28.x86_64
root=UUID=4455f2e9-fed2-4e1e-856d-642b531547f9 ro rhgb quiet LANG=en_US.UTF-8
rd.driver.blacklist=nouveau modprobe.blacklist=nouveau nvidia-drm.modeset=1

I wonder if you make changes at boot time to add those extra bits if it would 
make
any difference?

Also, while you do have a blank screen it seems sddm thinks all is fine.  
Wonder what
would happen if you typed in your password. 


-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.


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Re: Dell XPS15 9570

[Thomas Letherby]

Here's the results of the logs for sddm:

ps -eaf | grep sddm

root  1497 1  0 17:59 ?00:00:00 /usr/bin/sddm
root  1501  1497  0 17:59 tty1 00:00:00 /usr/libexec/Xorg -nolisten
tcp -auth /var/run/sddm/{a1d9270c-38d2-4241-8d36-caf7228d5813} -background
none -noreset -displayfd 16 -seat seat0 vt1
root  1640  1497  0 17:59 ?00:00:00 /usr/libexec/sddm-helper
--socket /tmp/sddm-autheb500c3c-e0c2-4f60-a477-8589baccf976 --id 2 --start
/usr/bin/sddm-greeter --socket /tmp/sddm-:0-WzNaeg --theme
/usr/share/sddm/themes/01-breeze-fedora --user sddm --greeter
sddm  1641 1  0 17:59 ?00:00:00 /usr/lib/systemd/systemd
--user
sddm  1643  1641  0 17:59 ?00:00:00 (sd-pam)
sddm  1648  1641  0 17:59 ?00:00:00 /usr/bin/pulseaudio
--daemonize=no
sddm  1649  1640  1 17:59 ?00:00:00 /usr/bin/sddm-greeter
--socket /tmp/sddm-:0-WzNaeg --theme /usr/share/sddm/themes/01-breeze-fedora
sddm  1674  1641  0 17:59 ?00:00:00 /usr/bin/dbus-daemon
--session --address=systemd: --nofork --nopidfile --systemd-activation
--syslog-only
sddm  1700  1648  0 17:59 ?00:00:00
/usr/libexec/pulse/gconf-helper
sddm  1702  1641  0 17:59 ?00:00:00 /usr/libexec/gconfd-2
testuser  1789  1740  0 18:00 tty2 00:00:00 grep --color=auto sddm

journalctl -b 0 | grep sddm

Aug 18 17:59:36 testlaptop.test.domail audit[1]: SERVICE_START pid=1 uid=0
auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0
msg='unit=sddm comm="systemd" exe="/usr/lib/systemd/systemd" hostname=?
addr=? terminal=? res=success'
Aug 18 17:59:38 testlaptop.test.domail audit[1640]: USER_AUTH pid=1640
uid=0 auid=4294967295 ses=4294967295
subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 msg='op=PAM:authentication
grantors=pam_permit acct="sddm" exe="/usr/libexec/sddm-helper" hostname=?
addr=? terminal=? res=success'
Aug 18 17:59:38 testlaptop.test.domail audit[1640]: USER_ACCT pid=1640
uid=0 auid=4294967295 ses=4294967295
subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 msg='op=PAM:accounting
grantors=pam_permit acct="sddm" exe="/usr/libexec/sddm-helper" hostname=?
addr=? terminal=? res=success'
Aug 18 17:59:38 testlaptop.test.domail audit[1640]: CRED_ACQ pid=1640 uid=0
auid=4294967295 ses=4294967295 subj=system_u:system_r:xdm_t:s0-s0:c0.c1023
msg='op=PAM:setcred grantors=pam_permit acct="sddm"
exe="/usr/libexec/sddm-helper" hostname=? addr=? terminal=? res=success'
Aug 18 17:59:38 testlaptop.test.domail sddm-helper[1640]:
pam_unix(sddm-greeter:session): session opened for user sddm by (uid=0)
Aug 18 17:59:38 testlaptop.test.domail systemd[1]: Created slice User Slice
of sddm.
Aug 18 17:59:38 testlaptop.test.domail systemd-logind[1254]: New session c1
of user sddm.
Aug 18 17:59:38 testlaptop.test.domail systemd[1]: Started Session c1 of
user sddm.
Aug 18 17:59:38 testlaptop.test.domail audit[1641]: USER_ACCT pid=1641
uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0
msg='op=PAM:accounting grantors=pam_unix,pam_localuser acct="sddm"
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Aug 18 17:59:38 testlaptop.test.domail systemd[1641]:
pam_unix(systemd-user:session): session opened for user sddm by (uid=0)
Aug 18 17:59:38 testlaptop.test.domail audit[1641]: USER_START pid=1641
uid=0 auid=995 ses=1 subj=system_u:system_r:init_t:s0
msg='op=PAM:session_open
grantors=pam_selinux,pam_selinux,pam_loginuid,pam_keyinit,pam_limits,pam_systemd,pam_unix
acct="sddm" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=?
res=success'
Aug 18 17:59:38 testlaptop.test.domail audit[1640]: USER_START pid=1640
uid=0 auid=4294967295 ses=4294967295
subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 msg='op=PAM:session_open
grantors=pam_unix,pam_systemd acct="sddm" exe="/usr/libexec/sddm-helper"
hostname=? addr=? terminal=:0 res=success'
Aug 18 17:59:39 testlaptop.test.domail sddm-greeter[1649]: Loading
file:///usr/share/sddm/themes/01-breeze-fedora/Main.qml...
Aug 18 17:59:39 testlaptop.test.domail sddm-greeter[1649]: QObject: Cannot
create children for a parent that is in a different thread.
Aug 18 17:59:39 testlaptop.test.domail sddm-greeter[1649]: QObject: Cannot
create children for a parent that is in a different thread.
Aug 18 17:59:39 testlaptop.test.domail sddm-greeter[1649]: QObject: Cannot
create children for a parent that is in a different thread.
Aug 18 17:59:39 testlaptop.test.domail sddm-greeter[1649]: QObject: Cannot
create children for a parent that is in a different thread.
Aug 18 17:59:39 testlaptop.test.domail sddm-greeter[1649]:
QObject::installEventFilter(): Cannot filter events for objects in a
different thread.
Aug 18 17:59:39 testlaptop.test.domail sddm-greeter[1649]: QObject: Cannot
create children for a parent that is in a different thread.
Aug 18 17:59:39 testlaptop.test.domail sddm-greeter[1649]: QObject: Cannot
create children for a parent that is in a different thread.
Aug 18 17:59:39 testlaptop.test.domail 

Re: Dell XPS15 9570

[Tim via users]

Allegedly, on or about 15 August 2018, Thomas Letherby sent:
> I tried with LightDM, which gave the same black screen, with the
> following in /var/log/messages, not sure why it's trying to talk to
> PulseAudio?

I'm not sure what stage you're up to by then:  Just getting the logon
screen, or have logged in?

If it's the login screen, it could be that they've designed it so that
it can make use of audio (e.g. spoken prompts for the blind), and the
sound system is started whether, or not, it's actually going to be
used.  And I've seen logon screens which play a little tune as they pop
up (on other distros, where the sound actually was working at that
stage).

-- 
[tim@localhost ~]$ uname -rsvp
Linux 4.16.11-100.fc26.x86_64 #1 SMP Tue May 22 20:02:12 UTC 2018 x86_64

Boilerplate:  All mail to my mailbox is automatically deleted.
There is no point trying to privately email me, I only get to see
the messages posted to the mailing list.

Windows tablets are more like suppositories.
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Re: Dell XPS15 9570

[Frédéric]

> I installed the drivers using the below. Problem is the same, black screen on 
> boot, but you can shift to another terminal and startx. The nVidia control 
> panel shows the driver loaded and reports OK.

I've got exactly the same problem. I'm on F27. I have had a black sddm
screen for 5 weeks (started July 7th 2018)  but startx works from a
terminal.
Also on DELL computer but on a Precision 7810 tower. Also with nvidia drivers.

Here is an error I found in journalctl (full log below):
Aug 11 21:03:25 gamma sddm-greeter[2143]: Failed to create OpenGL
context for format QSurfaceFormat(version 2.0, options
QFlags(), depthBufferSize 24,
redBufferSize -1, greenBufferSize -1, blueBufferSize -1,
alphaBufferSize -1, stencilBufferSize 8, sam

F

Aug 11 21:03:23 gamma sddm-helper[2135]:
pam_unix(sddm-greeter:session): session opened for user sddm by
(uid=0)
Aug 11 21:03:23 gamma systemd[1]: Created slice User Slice of sddm.
Aug 11 21:03:23 gamma systemd[1]: Starting User Manager for UID 991...
Aug 11 21:03:23 gamma systemd-logind[1582]: New session c1 of user sddm.
Aug 11 21:03:23 gamma systemd[1]: Started Session c1 of user sddm.
Aug 11 21:03:23 gamma audit[2136]: USER_ACCT pid=2136 uid=0
auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0
msg='op=PAM:accounting grantors=pam_unix,pam_localuser acct="sddm"
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=?
res=success'
Aug 11 21:03:23 gamma audit[2136]: USER_ROLE_CHANGE pid=2136 uid=0
auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0
msg='pam: default-context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
selected-context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
Aug 11 21:03:23 gamma systemd[2136]: pam_unix(systemd-user:session):
session opened for user sddm by (uid=0)
Aug 11 21:03:23 gamma audit[2136]: USER_START pid=2136 uid=0 auid=991
ses=1 subj=system_u:system_r:init_t:s0 msg='op=PAM:session_open
grantors=pam_selinux,pam_selinux,pam_loginuid,pam_keyinit,pam_limits,pam_systemd,pam_unix
acct="sddm" exe="/usr/lib/systemd/systemd" hostname=? addr
Aug 11 21:03:23 gamma systemd[2136]: Reached target Timers.
Aug 11 21:03:23 gamma systemd[2136]: Reached target Paths.
Aug 11 21:03:23 gamma systemd[2136]: Starting D-Bus User Message Bus Socket.
Aug 11 21:03:23 gamma systemd[2136]: Listening on D-Bus User Message Bus Socket.
Aug 11 21:03:23 gamma systemd[2136]: Reached target Sockets.
Aug 11 21:03:23 gamma systemd[2136]: Reached target Basic System.
Aug 11 21:03:23 gamma audit[1]: SERVICE_START pid=1 uid=0
auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0
msg='unit=user@991 comm="systemd" exe="/usr/lib/systemd/systemd"
hostname=? addr=? terminal=? res=success'
Aug 11 21:03:23 gamma systemd[2136]: Reached target Default.
Aug 11 21:03:23 gamma systemd[2136]: Startup finished in 48ms.
Aug 11 21:03:23 gamma systemd[1]: Started User Manager for UID 991.
Aug 11 21:03:23 gamma audit[2135]: USER_START pid=2135 uid=0
auid=4294967295 ses=4294967295
subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 msg='op=PAM:session_open
grantors=pam_unix,pam_systemd acct="sddm"
exe="/usr/libexec/sddm-helper" hostname=? addr=? terminal=:0
res=success'
Aug 11 21:03:24 gamma audit[2143]: AVC avc:  denied  { map } for
pid=2143 comm="sddm-greeter" path="/dev/nvidiactl" dev="devtmpfs"
ino=40248 scontext=system_u:system_r:xdm_t:s0-s0:c0.c1023
tcontext=system_u:object_r:xserver_misc_device_t:s0 tclass=chr_file
permissive=0
Aug 11 21:03:24 gamma sddm-greeter[2143]: QGLXContext: Failed to
create dummy context
Aug 11 21:03:24 gamma sddm-greeter[2143]: Loading
file:///usr/share/sddm/themes/breeze/Main.qml...
Aug 11 21:03:24 gamma sddm-greeter[2143]: QObject: Cannot create
children for a parent that is in a different thread.
  (Parent is
SDDM::GreeterApp(0x7ffd9a256a40), parent's thread is
QThread(0x559b5888be90), current thread is QThread(0x559b588f6730)
Aug 11 21:03:24 gamma sddm-greeter[2143]: QObject: Cannot create
children for a parent that is in a different thread.
  (Parent is
SDDM::GreeterApp(0x7ffd9a256a40), parent's thread is
QThread(0x559b5888be90), current thread is QThread(0x559b588f6730)
Aug 11 21:03:24 gamma sddm-greeter[2143]: QObject: Cannot create
children for a parent that is in a different thread.
  (Parent is
SDDM::GreeterApp(0x7ffd9a256a40), parent's thread is
QThread(0x559b5888be90), current thread is QThread(0x559b588f6730)
Aug 11 21:03:24 gamma sddm-greeter[2143]: QObject: Cannot create
children for a parent that is in a different thread.
  (Parent is
SDDM::GreeterApp(0x7ffd9a256a40), parent's thread is
QThread(0x559b5888be90), current thread is QThread(0x559b588f6730)
Aug 11 21:03:24 gamma sddm-greeter[2143]:
QObject::installEventFilter(): Cannot filter events for objects in a
different thread.
Aug 11 21:03:24 gamma sddm-greeter[2143]: QObject: Cannot create

Re: Dell XPS15 9570

[Ed Greshko]

On 08/17/18 13:07, Thomas Letherby wrote:
> I'll do both as soon as I can find my USB to Ethernet adapter as the laptop 
> doesn't
> have an Ethernet port built in. It's on my desk, but right now so is 
> everything else!

OK.  But you could do that from the VT from the command line without doing a 
"startx"?
>
> Should be able to dig it out tomorrow and get these done. 
>
> Thanks for your help so far.


Also, if you do a "startx" and then bring up the "systemsettings" GUI and go to
"displays and monitor" does everything look correct?

-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.



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Re: Dell XPS15 9570

[Thomas Letherby]

I'll do both as soon as I can find my USB to Ethernet adapter as the laptop
doesn't have an Ethernet port built in. It's on my desk, but right now so
is everything else!

Should be able to dig it out tomorrow and get these done.

Thanks for your help so far.

Thomas

On Thu, Aug 16, 2018 at 7:20 PM Ed Greshko  wrote:

> FWIW, for completeness   After the system is booted these are the
> processes
> running associated with sddm.
>
> [egreshko@f28k-b1 ~]$ ps -eaf | grep sddm
> root   677 1  0 10:06 ?00:00:00 /usr/bin/sddm
> root   702   677  2 10:06 tty1 00:00:00 /usr/libexec/Xorg
> -nolisten tcp -auth
> /var/run/sddm/{43652e84-6f95-4962-b8da-3fa374439d4d} -background none
> -noreset
> -displayfd 16 -seat seat0 vt1
> root   769   677  0 10:06 ?00:00:00 /usr/libexec/sddm-helper
> --socket
> /tmp/sddm-auth2f9cd7c4-3d3d-42a7-92d8-dfc5180de929 --id 2 --start
> /usr/bin/sddm-greeter --socket /tmp/sddm-:0-APkyOQ --theme
> /usr/share/sddm/themes/01-breeze-fedora --user sddm --greeter
> sddm   770 1  0 10:06 ?00:00:00 /usr/lib/systemd/systemd
> --user
> sddm   796   770  0 10:06 ?00:00:00 (sd-pam)
> sddm   818   769 34 10:06 ?00:00:12 /usr/bin/sddm-greeter
> --socket
> /tmp/sddm-:0-APkyOQ --theme /usr/share/sddm/themes/01-breeze-fedora
> sddm   819   770  0 10:06 ?00:00:00 /usr/bin/pulseaudio
> --daemonize=no
> sddm   882   770  0 10:06 ?00:00:00 /usr/bin/dbus-daemon
> --session
> --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
> sddm   946   819  0 10:06 ?00:00:00
> /usr/libexec/pulse/gconf-helper
> sddm   948   770  0 10:06 ?00:00:00 /usr/libexec/gconfd-2
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Re: Dell XPS15 9570

[Ed Greshko]

FWIW, for completeness   After the system is booted these are the processes
running associated with sddm.

[egreshko@f28k-b1 ~]$ ps -eaf | grep sddm
root   677 1  0 10:06 ?    00:00:00 /usr/bin/sddm
root   702   677  2 10:06 tty1 00:00:00 /usr/libexec/Xorg -nolisten tcp 
-auth
/var/run/sddm/{43652e84-6f95-4962-b8da-3fa374439d4d} -background none -noreset
-displayfd 16 -seat seat0 vt1
root   769   677  0 10:06 ?    00:00:00 /usr/libexec/sddm-helper 
--socket
/tmp/sddm-auth2f9cd7c4-3d3d-42a7-92d8-dfc5180de929 --id 2 --start
/usr/bin/sddm-greeter --socket /tmp/sddm-:0-APkyOQ --theme
/usr/share/sddm/themes/01-breeze-fedora --user sddm --greeter
sddm   770 1  0 10:06 ?    00:00:00 /usr/lib/systemd/systemd --user
sddm   796   770  0 10:06 ?    00:00:00 (sd-pam)
sddm   818   769 34 10:06 ?    00:00:12 /usr/bin/sddm-greeter --socket
/tmp/sddm-:0-APkyOQ --theme /usr/share/sddm/themes/01-breeze-fedora
sddm   819   770  0 10:06 ?    00:00:00 /usr/bin/pulseaudio 
--daemonize=no
sddm   882   770  0 10:06 ?    00:00:00 /usr/bin/dbus-daemon --session
--address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
sddm   946   819  0 10:06 ?    00:00:00 /usr/libexec/pulse/gconf-helper
sddm   948   770  0 10:06 ?    00:00:00 /usr/libexec/gconfd-2


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Re: Dell XPS15 9570

[Ed Greshko]

On 08/16/18 12:34, Thomas Letherby wrote:
> Hello Ed,
>
> Thanks for the suggestion, I tried with LightDM, which gave the same black 
> screen,
> with the following in /var/log/messages, not sure why it's trying to talk to
> PulseAudio?
>
>

I prefer to use "journalctl" to extract log information.

Have a look at https://paste.fedoraproject.org/paste/7iRJ5adKn4W6SSCyAKs~OQ.

These outputs were generated just after the system was booted with a user that 
logged
in via ssh.   So, no attempt was made to start a GUI.

I think you should do the same and see if there is any thing that pops out.

>
>
> Googling suggested a few different things to try, nothing seemed to work in 
> this
> case, but for reference:
>
> sudo rm -fr /var/lib/sddm/.cache/sddm-greeter/qmlcache
>
> Tried both Breeze themes, then installed sddm-theme and tried one of those.
>
> Tried with a monitor plugged into the HDMI port
>
> There does appear to be a block of text flashing up just before the screen 
> goes
> blank, it's an ACPI error or two I think, but it flashes by and I can't find 
> it in
> the logs.

I normally see a few ACPI message pop up on boot as well.  I've never known 
them to
be a source of problems

-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.



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Re: Dell XPS15 9570

[Thomas Letherby]

Hello Ed,

Thanks for the suggestion, I tried with LightDM, which gave the same black
screen, with the following in /var/log/messages, not sure why it's trying
to talk to PulseAudio?

Aug 15 21:18:13 testlaptop dbus-daemon[1804]: [system] Activating via
systemd: service name='net.reactivated.Fprint' unit='fprintd.service'
requested by ':1.101' (uid=0 pid=3213 comm="sudo dnf install lightdm "
label="unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023")
Aug 15 21:20:04 testlaptop audit[1]: SERVICE_START pid=1 uid=0
auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0
msg='unit=lightdm comm="systemd" exe="/usr/lib/systemd/systemd" hostname=?
addr=? terminal=? res=success'
Aug 15 21:20:05 testlaptop audit[1560]: CRED_ACQ pid=1560 uid=0
auid=4294967295 ses=4294967295 subj=system_u:system_r:xdm_t:s0-s0:c0.c1023
msg='op=PAM:setcred grantors=pam_env,pam_permit acct="lightdm"
exe="/usr/sbin/lightdm" hostname=? addr=? terminal=:0 res=success'
Aug 15 21:20:05 testlaptop systemd[1]: Created slice User Slice of lightdm.
Aug 15 21:20:05 testlaptop systemd-logind[1198]: New session c1 of user
lightdm.
Aug 15 21:20:05 testlaptop systemd[1]: Started Session c1 of user lightdm.
Aug 15 21:20:06 testlaptop audit[1564]: USER_ACCT pid=1564 uid=0
auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0
msg='op=PAM:accounting grantors=pam_unix,pam_localuser acct="lightdm"
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Aug 15 21:20:06 testlaptop audit[1564]: USER_START pid=1564 uid=0 auid=978
ses=1 subj=system_u:system_r:init_t:s0 msg='op=PAM:session_open
grantors=pam_selinux,pam_selinux,pam_loginuid,pam_keyinit,pam_limits,pam_systemd,pam_unix
acct="lightdm" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=?
res=success'
Aug 15 21:20:06 testlaptop audit[1560]: USER_START pid=1560 uid=0
auid=4294967295 ses=4294967295 subj=system_u:system_r:xdm_t:s0-s0:c0.c1023
msg='op=PAM:session_open grantors=pam_unix,pam_systemd acct="lightdm"
exe="/usr/sbin/lightdm" hostname=? addr=? terminal=:0 res=success'
Aug 15 21:20:06 testlaptop dbus-daemon[1585]: [session uid=978 pid=1585]
Activating via systemd: service name='org.a11y.Bus'
unit='at-spi-dbus-bus.service' requested by ':1.1' (uid=978 pid=1573
comm="/usr/sbin/lightdm-gtk-greeter "
label="system_u:system_r:xdm_t:s0-s0:c0.c1023")
Aug 15 21:20:06 testlaptop at-spi-bus-launcher[1592]: dbus-daemon[1600]:
Activating service name='org.a11y.atspi.Registry' requested by ':1.0'
(uid=978 pid=1573 comm="/usr/sbin/lightdm-gtk-greeter "
label="system_u:system_r:xdm_t:s0-s0:c0.c1023")
Aug 15 21:20:06 testlaptop dbus-daemon[1187]: [system] Activating via
systemd: service name='net.reactivated.Fprint' unit='fprintd.service'
requested by ':1.50' (uid=0 pid=1643 comm="lightdm --session-child 12 19 "
label="system_u:system_r:xdm_t:s0-s0:c0.c1023")
Aug 15 21:20:06 testlaptop pulseaudio[1572]: W: [pulseaudio] authkey.c:
Failed to open cookie file '/var/lib/lightdm/.config/pulse/cookie': No such
file or directory
Aug 15 21:20:06 testlaptop pulseaudio[1572]: W: [pulseaudio] authkey.c:
Failed to load authentication key '/var/lib/lightdm/.config/pulse/cookie':
No such file or directory
Aug 15 21:20:06 testlaptop pulseaudio[1572]: W: [pulseaudio] authkey.c:
Failed to open cookie file '/var/lib/lightdm/.pulse-cookie': No such file
or directory
Aug 15 21:20:06 testlaptop pulseaudio[1572]: W: [pulseaudio] authkey.c:
Failed to load authentication key '/var/lib/lightdm/.pulse-cookie': No such
file or directory

I also found this in messages with SDDM:

Aug 15 07:17:08 testlaptop sddm-greeter[10536]: QObject: Cannot create
children for a parent that is in a different thread.#012(Parent is
SDDM::GreeterApp(0x7ffd91c83a70), parent's thread is
QThread(0x55fb84d792a0), current thread is QThread(0x55fb84e52a00)
Aug 15 07:17:08 testlaptop sddm-greeter[10536]: QObject: Cannot create
children for a parent that is in a different thread.#012(Parent is
SDDM::GreeterApp(0x7ffd91c83a70), parent's thread is
QThread(0x55fb84d792a0), current thread is QThread(0x55fb84e52a00)
Aug 15 07:17:08 testlaptop sddm-greeter[10536]: QObject: Cannot create
children for a parent that is in a different thread.#012(Parent is
SDDM::GreeterApp(0x7ffd91c83a70), parent's thread is
QThread(0x55fb84d792a0), current thread is QThread(0x55fb84e52a00)
Aug 15 07:17:08 testlaptop sddm-greeter[10536]: QObject: Cannot create
children for a parent that is in a different thread.#012(Parent is
SDDM::GreeterApp(0x7ffd91c83a70), parent's thread is
QThread(0x55fb84d792a0), current thread is QThread(0x55fb84e52a00)
Aug 15 07:17:08 testlaptop sddm-greeter[10536]:
QObject::installEventFilter(): Cannot filter events for objects in a
different thread.
Aug 15 07:17:08 testlaptop sddm-greeter[10536]: QObject: Cannot create
children for a parent that is in a different thread.#012(Parent is
SDDM::GreeterApp(0x7ffd91c83a70), parent's thread is
QThread(0x55fb84d792a0), current thread is QThread(0x55fb84e52a00)
Aug 15 07:17:09 

Re: Dell XPS15 9570

[Ed Greshko]

On 08/15/18 12:21, Thomas Letherby wrote:
> Here's the full output of the commands used, and I pulled the logs again:
>
> https://pastebin.com/RfpfRqSj
>
> I've not had a chance to dredge through them myself yet, I should be able to
> tonight or tomorow I hope. In the mean time is there any other 
> logs/diagnostics I
> should check that might help?

Since this is in the output...

root@testlaptop ~]# systemctl status sddm
● sddm.service - Simple Desktop Display Manager
   Loaded: loaded (/usr/lib/systemd/system/sddm.service; enabled; vendor preset:
disabled)
   Active: active (running) since Tue 2018-08-14 08:18:38 MST; 11min ago
 Docs: man:sddm(1)
   man:sddm.conf(5)
 Main PID: 1435 (sddm)
    Tasks: 4 (limit: 4915)
   Memory: 87.9M
   CGroup: /system.slice/sddm.service
   ├─1435 /usr/bin/sddm
   └─1439 /usr/libexec/Xorg -nolisten tcp -auth
/var/run/sddm/{0ce5722f-5756-4200-99f9-c1c48ca177ce} -background none -noreset
-displayfd 16 -seat seat0 vt1
 
Aug 14 08:18:38 testlaptop.test.domail systemd[1]: Started Simple Desktop 
Display
Manager.
Aug 14 08:18:39 testlaptop.test.domail sddm-helper[1570]:
pam_unix(sddm-greeter:session): session opened for user sddm by (uid=0)


And is exactly what you'd see on a system which has been rebooted and working
normally before a login.   I would do the following as a "test"

I would install another DM.  Just as "kdm", "lightdm", or "gdm".   Then I would 
do

systemctl -f enable (whatever DM you've picked) 

And then reboot.


-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.



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Re: Dell XPS15 9570

[Thomas Letherby]

I installed the drivers using the below. Problem is the same, black screen
on boot, but you can shift to another terminal and startx. The nVidia
control panel shows the driver loaded and reports OK.

I used the following:

dnf update
dnf install fedora-workstation-repositories
config-manager --set-enabled rpmfusion-nonfree-nvidia-driver
dnf install xorg-x11-drv-nvidia akmod-nvidia
dnf update
reboot.

Here's the full output of the commands used, and I pulled the logs again:

https://pastebin.com/RfpfRqSj

I've not had a chance to dredge through them myself yet, I should be able
to tonight or tomorow I hope. In the mean time is there any other
logs/diagnostics I should check that might help?

Thanks,

Thomas

On Mon, Aug 13, 2018 at 5:42 PM Thomas Letherby  wrote:

> Noted!
>
> systemctl status sddm
> ● sddm.service - Simple Desktop Display Manager
>Loaded: loaded (/usr/lib/systemd/system/sddm.service; enabled; vendor
> preset: disabled)
>Active: active (running) since Mon 2018-08-13 16:49:27 MST; 50min ago
>  Docs: man:sddm(1)
>man:sddm.conf(5)
>  Main PID: 1446 (sddm)
> Tasks: 16 (limit: 4915)
>Memory: 247.7M
>CGroup: /system.slice/sddm.service
>├─1446 /usr/bin/sddm
>└─1471 /usr/libexec/Xorg -nolisten tcp -auth
> /var/run/sddm/{32230f9f-9d81-443d-8a2c-b8bd3ca0a87d} -background none
> -noreset -displayfd 16 -seat seat0 vt1
>
> Aug 13 16:49:27 testlaptop.test.domail systemd[1]: Started Simple Desktop
> Display Manager.
> Aug 13 16:49:27 testlaptop.test.domail sddm-helper[1489]:
> pam_unix(sddm-greeter:session): session opened for user sddm by (uid=0)
> Aug 13 16:49:34 testlaptop.test.domail sddm-helper[1724]:
> pam_kwallet5(sddm:auth): (null): pam_sm_authenticate
> Aug 13 16:49:34 testlaptop.test.domail sddm-helper[1724]:
> pam_kwallet5(sddm:setcred): pam_kwallet5: pam_sm_setcred
> Aug 13 16:49:34 testlaptop.test.domail sddm-helper[1724]:
> pam_unix(sddm:session): session opened for user testuser by (uid=0)
> Aug 13 16:49:34 testlaptop.test.domail sddm-helper[1724]:
> pam_kwallet5(sddm:session): pam_kwallet5: pam_sm_open_session
> Aug 13 16:49:34 testlaptop.test.domail sddm-helper[1724]: Starting:
> "/etc/X11/xinit/Xsession \"/usr/bin/startkde\""
>
> (Host and domain are what is actually set, not placeholders, and I just
> realized I typo'd domain...)
>
> Thomas
>
>
> On Mon, Aug 13, 2018 at 5:38 PM Ed Greshko  wrote:
>
>> On 08/14/18 08:27, Thomas Letherby wrote:
>> > Sorry, I wasn't entirely clear there, I meant the major components
>> (GFX, CPU family
>> > etc) rather than down to any particular board rev, although It's not
>> really been
>> > out that long, so there's probably not been any revs yet.
>> >
>> > My kids decided they'd bother my wife at the grocery store, so I dd get
>> a chance to
>> > re-install and pull some logs before I try installing the graphics
>> drivers again
>> >
>> > So to start this again, in the proper manner:
>> >
>> > Dell XPS 15 9570
>> > i7 8th Gen
>> > GeForce GTX 1050Ti 4GB
>> > 1TB SSD
>> > 32GB RAM
>> > 4K touchscreen
>> >
>> > BIOS changes from default:
>> > Secureboot off
>> > Drive Controller ACPI (From RAID)
>> > Powershare on (For charging USB devices)
>> > Turn off WiFi when Wired LAN connected
>> >
>> > Booted from USB the latest download of the KDE spin
>> >
>> > Added dis_ucode_ldr and nomodeset=1 to grub otherwise it won't
>> successfully boot.
>> >
>> > Installed to blank SSD, custom partitioning with encryption.
>> > Allocated a bit more space to / from /home.
>> >
>> > Installed.
>> >
>> > Laptop boots successfully and appears stable.
>> >
>> > nomodeset=1 has seemingly persisted from the install.
>> >
>> > I ran dnf update to make sure everything was up to date.
>> >
>> > I pulled dmesg, lspci messages, and the X logs and dumped them all to
>> pastebin here:
>> >
>> > https://pastebin.com/srDCLx8N
>> >
>> > My next step will be to add the Fedora workstation repo and attempt to
>> install the
>> > nVidia drivers from there, following the guide here:
>> >
>> > https://rpmfusion.org/Howto/NVIDIA
>> >
>> > Before I do is there any other diagnostics, tests logs etc I should
>> pull before I
>> > beginning for before/after comparison?
>> >
>>
>> Yes.  Since, based on previous post, it seems the problem to be related
>> to sddm you
>> should save the output of
>>
>> systemctl status sddm
>>
>>
>> --
>> Conjecture is just a conclusion based on incomplete information. It isn't
>> a fact.
>>
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Re: Dell XPS15 9570

[Thomas Letherby]

Noted!

systemctl status sddm
● sddm.service - Simple Desktop Display Manager
   Loaded: loaded (/usr/lib/systemd/system/sddm.service; enabled; vendor
preset: disabled)
   Active: active (running) since Mon 2018-08-13 16:49:27 MST; 50min ago
 Docs: man:sddm(1)
   man:sddm.conf(5)
 Main PID: 1446 (sddm)
Tasks: 16 (limit: 4915)
   Memory: 247.7M
   CGroup: /system.slice/sddm.service
   ├─1446 /usr/bin/sddm
   └─1471 /usr/libexec/Xorg -nolisten tcp -auth
/var/run/sddm/{32230f9f-9d81-443d-8a2c-b8bd3ca0a87d} -background none
-noreset -displayfd 16 -seat seat0 vt1

Aug 13 16:49:27 testlaptop.test.domail systemd[1]: Started Simple Desktop
Display Manager.
Aug 13 16:49:27 testlaptop.test.domail sddm-helper[1489]:
pam_unix(sddm-greeter:session): session opened for user sddm by (uid=0)
Aug 13 16:49:34 testlaptop.test.domail sddm-helper[1724]:
pam_kwallet5(sddm:auth): (null): pam_sm_authenticate
Aug 13 16:49:34 testlaptop.test.domail sddm-helper[1724]:
pam_kwallet5(sddm:setcred): pam_kwallet5: pam_sm_setcred
Aug 13 16:49:34 testlaptop.test.domail sddm-helper[1724]:
pam_unix(sddm:session): session opened for user testuser by (uid=0)
Aug 13 16:49:34 testlaptop.test.domail sddm-helper[1724]:
pam_kwallet5(sddm:session): pam_kwallet5: pam_sm_open_session
Aug 13 16:49:34 testlaptop.test.domail sddm-helper[1724]: Starting:
"/etc/X11/xinit/Xsession \"/usr/bin/startkde\""

(Host and domain are what is actually set, not placeholders, and I just
realized I typo'd domain...)

Thomas


On Mon, Aug 13, 2018 at 5:38 PM Ed Greshko  wrote:

> On 08/14/18 08:27, Thomas Letherby wrote:
> > Sorry, I wasn't entirely clear there, I meant the major components (GFX,
> CPU family
> > etc) rather than down to any particular board rev, although It's not
> really been
> > out that long, so there's probably not been any revs yet.
> >
> > My kids decided they'd bother my wife at the grocery store, so I dd get
> a chance to
> > re-install and pull some logs before I try installing the graphics
> drivers again
> >
> > So to start this again, in the proper manner:
> >
> > Dell XPS 15 9570
> > i7 8th Gen
> > GeForce GTX 1050Ti 4GB
> > 1TB SSD
> > 32GB RAM
> > 4K touchscreen
> >
> > BIOS changes from default:
> > Secureboot off
> > Drive Controller ACPI (From RAID)
> > Powershare on (For charging USB devices)
> > Turn off WiFi when Wired LAN connected
> >
> > Booted from USB the latest download of the KDE spin
> >
> > Added dis_ucode_ldr and nomodeset=1 to grub otherwise it won't
> successfully boot.
> >
> > Installed to blank SSD, custom partitioning with encryption.
> > Allocated a bit more space to / from /home.
> >
> > Installed.
> >
> > Laptop boots successfully and appears stable.
> >
> > nomodeset=1 has seemingly persisted from the install.
> >
> > I ran dnf update to make sure everything was up to date.
> >
> > I pulled dmesg, lspci messages, and the X logs and dumped them all to
> pastebin here:
> >
> > https://pastebin.com/srDCLx8N
> >
> > My next step will be to add the Fedora workstation repo and attempt to
> install the
> > nVidia drivers from there, following the guide here:
> >
> > https://rpmfusion.org/Howto/NVIDIA
> >
> > Before I do is there any other diagnostics, tests logs etc I should pull
> before I
> > beginning for before/after comparison?
> >
>
> Yes.  Since, based on previous post, it seems the problem to be related to
> sddm you
> should save the output of
>
> systemctl status sddm
>
>
> --
> Conjecture is just a conclusion based on incomplete information. It isn't
> a fact.
>
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Re: Dell XPS15 9570

[Ed Greshko]

On 08/14/18 08:27, Thomas Letherby wrote:
> Sorry, I wasn't entirely clear there, I meant the major components (GFX, CPU 
> family
> etc) rather than down to any particular board rev, although It's not really 
> been
> out that long, so there's probably not been any revs yet.
>
> My kids decided they'd bother my wife at the grocery store, so I dd get a 
> chance to
> re-install and pull some logs before I try installing the graphics drivers 
> again
>
> So to start this again, in the proper manner:
>
> Dell XPS 15 9570
> i7 8th Gen
> GeForce GTX 1050Ti 4GB
> 1TB SSD
> 32GB RAM
> 4K touchscreen
>
> BIOS changes from default:
> Secureboot off
> Drive Controller ACPI (From RAID)
> Powershare on (For charging USB devices)
> Turn off WiFi when Wired LAN connected
>
> Booted from USB the latest download of the KDE spin
>
> Added dis_ucode_ldr and nomodeset=1 to grub otherwise it won't successfully 
> boot.
>
> Installed to blank SSD, custom partitioning with encryption.
> Allocated a bit more space to / from /home.
>
> Installed.
>
> Laptop boots successfully and appears stable.
>
> nomodeset=1 has seemingly persisted from the install.
>
> I ran dnf update to make sure everything was up to date.
>
> I pulled dmesg, lspci messages, and the X logs and dumped them all to 
> pastebin here:
>
> https://pastebin.com/srDCLx8N
>
> My next step will be to add the Fedora workstation repo and attempt to 
> install the
> nVidia drivers from there, following the guide here:
>
> https://rpmfusion.org/Howto/NVIDIA
>
> Before I do is there any other diagnostics, tests logs etc I should pull 
> before I
> beginning for before/after comparison?
>

Yes.  Since, based on previous post, it seems the problem to be related to sddm 
you
should save the output of

systemctl status sddm


-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.



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Re: Dell XPS15 9570

[Thomas Letherby]

Sorry, I wasn't entirely clear there, I meant the major components (GFX,
CPU family etc) rather than down to any particular board rev, although It's
not really been out that long, so there's probably not been any revs yet.

My kids decided they'd bother my wife at the grocery store, so I dd get a
chance to re-install and pull some logs before I try installing the
graphics drivers again

So to start this again, in the proper manner:

Dell XPS 15 9570
i7 8th Gen
GeForce GTX 1050Ti 4GB
1TB SSD
32GB RAM
4K touchscreen

BIOS changes from default:
Secureboot off
Drive Controller ACPI (From RAID)
Powershare on (For charging USB devices)
Turn off WiFi when Wired LAN connected

Booted from USB the latest download of the KDE spin

Added dis_ucode_ldr and nomodeset=1 to grub otherwise it won't successfully
boot.

Installed to blank SSD, custom partitioning with encryption.
Allocated a bit more space to / from /home.

Installed.

Laptop boots successfully and appears stable.

nomodeset=1 has seemingly persisted from the install.

I ran dnf update to make sure everything was up to date.

I pulled dmesg, lspci messages, and the X logs and dumped them all to
pastebin here:

https://pastebin.com/srDCLx8N

My next step will be to add the Fedora workstation repo and attempt to
install the nVidia drivers from there, following the guide here:

https://rpmfusion.org/Howto/NVIDIA

Before I do is there any other diagnostics, tests logs etc I should pull
before I beginning for before/after comparison?

Thanks all.

Thomas





On Sat, Aug 11, 2018 at 10:37 PM Tim via users <
users@lists.fedoraproject.org> wrote:

> Allegedly, on or about 11 August 2018, Thomas Letherby sent:
> > Was hoping someone had already tried with the laptop, the motherboard
> > and graphics sre the same across all the latest XPS 15s, so if it's
> > been done on one it should be done on them all.
>
> Are you sure?  Manufacturers change components inside laptops, even
> within the same model.  I wouldn't even be surprised if you get
> component changes within the run of a model build.
>
> --
> [tim@localhost ~]$ uname -rsvp
> Linux 4.16.11-100.fc26.x86_64 #1 SMP Tue May 22 20:02:12 UTC 2018 x86_64
>
> Boilerplate:  All mail to my mailbox is automatically deleted.
> There is no point trying to privately email me, I only get to see
> the messages posted to the mailing list.
>
> Next time your service provider asks you to reboot your equipment, ask
> them to reboot theirs, first.
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Re: Dell XPS15 9570

[Tim via users]

Allegedly, on or about 11 August 2018, Thomas Letherby sent:
> Was hoping someone had already tried with the laptop, the motherboard
> and graphics sre the same across all the latest XPS 15s, so if it's
> been done on one it should be done on them all.

Are you sure?  Manufacturers change components inside laptops, even
within the same model.  I wouldn't even be surprised if you get
component changes within the run of a model build.

-- 
[tim@localhost ~]$ uname -rsvp
Linux 4.16.11-100.fc26.x86_64 #1 SMP Tue May 22 20:02:12 UTC 2018 x86_64

Boilerplate:  All mail to my mailbox is automatically deleted.
There is no point trying to privately email me, I only get to see
the messages posted to the mailing list.

Next time your service provider asks you to reboot your equipment, ask
them to reboot theirs, first.
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Re: Dell XPS15 9570

[Thomas Letherby]

I'll try and get a few hours next weekend to put together some proper
diagnostics. Was hoping someone had already tried with the laptop, the
motherboard and graphics sre the same across all the latest XPS 15s, so if
it's been done on one it should be done on them all.

No matter, I'll rebuild it when I can and get some proper logs going.

Thomas

On Sat, Aug 11, 2018, 12:35 AM Ed Greshko  wrote:

> On 08/11/18 15:14, Thomas Letherby wrote:
> > Not sure, but it works fine up until the nVidia drivers are installed.
> It does have
> > dual nVidia/Intel graphics, so I'm wondering if it's having trouble
> switching them
> > over. No smoking gun though, this is just the errors I see when it
> tanks.
> >
> > When I get some more time I'll have another look, was really just hoping
> someone
> > had cracked it already! :)
>
>
> Well, you're really not giving enough information for anyone to guess if
> they may
> have encountered the same problem.  Like I said, at the very least you
> should post the output of "systemctl status sddm".  Also, you should post
> the output
> of "lspci" showing what the actual nVidia HW is.
>
>
> --
> Conjecture is just a conclusion based on incomplete information. It isn't
> a fact.
>
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Re: Dell XPS15 9570

[Ed Greshko]

On 08/11/18 15:14, Thomas Letherby wrote:
> Not sure, but it works fine up until the nVidia drivers are installed. It 
> does have
> dual nVidia/Intel graphics, so I'm wondering if it's having trouble switching 
> them
> over. No smoking gun though, this is just the errors I see when it tanks. 
>
> When I get some more time I'll have another look, was really just hoping 
> someone
> had cracked it already! :) 


Well, you're really not giving enough information for anyone to guess if they 
may
have encountered the same problem.  Like I said, at the very least you
should post the output of "systemctl status sddm".  Also, you should post the 
output
of "lspci" showing what the actual nVidia HW is.


-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.



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Re: Dell XPS15 9570

[Thomas Letherby]

Not sure, but it works fine up until the nVidia drivers are installed. It
does have dual nVidia/Intel graphics, so I'm wondering if it's having
trouble switching them over. No smoking gun though, this is just the errors
I see when it tanks.

When I get some more time I'll have another look, was really just hoping
someone had cracked it already! :)

Thomas

On Fri, Aug 10, 2018, 11:49 PM Ed Greshko  wrote:

> On 08/11/18 12:39, Thomas Letherby wrote:
> > Digging in a bit it appears to be something going on between SDDM, the
> nVidia
> > drivers and ACPI. I don't have the time to go much further right now so
> I'll run it
> > with the Nouveau drivers until Dell release the Developer edition and
> see how they
> > do it! :)
>
>
> OK.  But I can't see how ACPI would affect SDDM but not "startx".
>
> --
> Conjecture is just a conclusion based on incomplete information. It isn't
> a fact.
>
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Re: Dell XPS15 9570

[Ed Greshko]

On 08/11/18 12:39, Thomas Letherby wrote:
> Digging in a bit it appears to be something going on between SDDM, the nVidia
> drivers and ACPI. I don't have the time to go much further right now so I'll 
> run it
> with the Nouveau drivers until Dell release the Developer edition and see how 
> they
> do it! :)


OK.  But I can't see how ACPI would affect SDDM but not "startx".

-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.



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Re: Dell XPS15 9570

[Thomas Letherby]

Digging in a bit it appears to be something going on between SDDM, the
nVidia drivers and ACPI. I don't have the time to go much further right now
so I'll run it with the Nouveau drivers until Dell release the Developer
edition and see how they do it! :)

Thomas

On Thu, Aug 9, 2018 at 10:15 PM Ed Greshko  wrote:

> On 08/10/18 12:23, Thomas Letherby wrote:
> >
> > I'm trying to install the KDE spin on a Dell XPS 15 and I can't seem to
> get the
> > nVidia drivers to install.
> >
> > I installed via a USB stick, and I had to add the dis_ucode_ldr switch
> to the boot
> > options to get it to load and change to ACIP rather than RAID for the
> drive, but it
> > installed without issue after that and seems to be working fine with the
> Noveau
> > drivers, however I cannot seem to get nVidia drivers to install
> correctly.
> >
> > I'm trying to use the workstation RPMFusion repo, and they seem to
> install OK, but
> > after trying the guides here:
> >
> > https://rpmfusion.org/Howto/NVIDIA
> > https://fedoramagazine.org/install-nvidia-gpu/
> > (I don't have the install drivers option for this one, I think that's
> Gnome
> > specific isn't it?)
> >
> > I get similar results, namely a blank screen at login, which persists
> for more than
> > 10 minutes, so I don't think it's still building the drivers.
> >
> > If I switch to another tty I can startx and it will load KDE. It's like
> it's not
> > loading the login screen.
> >
> > I'm still searching through the logs but I've not found a smoking gun
> yet, but just
> > in case, has anyone got this to work, and if so how did you do it?
>
>
> You say you can switch to another tty and using startx you'll get KDE up
> and running,
> yes?   If that is the case then the problem is not the nVidia drivers as
> they are
> being used quite nicely in that instance.  You can verify this by issuing
> "lsmod |
> grep nvidia" and it would generate an output similar to this in konsole.
>
> [egreshko@meimei Season-4]$ lsmod | grep nvidia
> nvidia_drm 45056  7
> nvidia_modeset   1093632  22 nvidia_drm
> nvidia  14061568  1057 nvidia_modeset
> drm_kms_helper196608  1 nvidia_drm
> drm   458752  10 drm_kms_helper,nvidia_drm
> ipmi_msghandler57344  2 ipmi_devintf,nvidia
>
> If all this checks out, it would seem your problem is with the display
> manager.  What
> do you get for "systemctl status sddm"
>
> FWIW, I'm running F28/KDE with nVidia RPMFusion drivers just fine with
> GeForce GTX
> 660 HW.
>
> --
> Conjecture is just a conclusion based on incomplete information. It isn't
> a fact.
>
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Re: Dell XPS15 9570

[Ed Greshko]

On 08/10/18 12:23, Thomas Letherby wrote:
>
> I'm trying to install the KDE spin on a Dell XPS 15 and I can't seem to get 
> the
> nVidia drivers to install.
>
> I installed via a USB stick, and I had to add the dis_ucode_ldr switch to the 
> boot
> options to get it to load and change to ACIP rather than RAID for the drive, 
> but it
> installed without issue after that and seems to be working fine with the 
> Noveau
> drivers, however I cannot seem to get nVidia drivers to install correctly. 
>
> I'm trying to use the workstation RPMFusion repo, and they seem to install 
> OK, but
> after trying the guides here:
>
> https://rpmfusion.org/Howto/NVIDIA
> https://fedoramagazine.org/install-nvidia-gpu/
> (I don't have the install drivers option for this one, I think that's Gnome
> specific isn't it?)
>
> I get similar results, namely a blank screen at login, which persists for 
> more than
> 10 minutes, so I don't think it's still building the drivers.
>
> If I switch to another tty I can startx and it will load KDE. It's like it's 
> not
> loading the login screen.
>
> I'm still searching through the logs but I've not found a smoking gun yet, 
> but just
> in case, has anyone got this to work, and if so how did you do it?


You say you can switch to another tty and using startx you'll get KDE up and 
running,
yes?   If that is the case then the problem is not the nVidia drivers as they 
are
being used quite nicely in that instance.  You can verify this by issuing 
"lsmod |
grep nvidia" and it would generate an output similar to this in konsole.

[egreshko@meimei Season-4]$ lsmod | grep nvidia
nvidia_drm 45056  7
nvidia_modeset   1093632  22 nvidia_drm
nvidia  14061568  1057 nvidia_modeset
drm_kms_helper    196608  1 nvidia_drm
drm   458752  10 drm_kms_helper,nvidia_drm
ipmi_msghandler    57344  2 ipmi_devintf,nvidia

If all this checks out, it would seem your problem is with the display manager. 
 What
do you get for "systemctl status sddm"

FWIW, I'm running F28/KDE with nVidia RPMFusion drivers just fine with GeForce 
GTX
660 HW.

-- 
Conjecture is just a conclusion based on incomplete information. It isn't a 
fact.



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