Same fault by using VGA instead of DP.
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Title:
External monitor connecting problem on Intel graphics card
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I'm using a HP Pro X2 612 G1. It has VGA compatible controller: Intel
Corporation Device 0a1e (rev 0b) (prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company Device 221b. The external Monitor
(connected to DisplayPort) is recognized, but it the grafics is
distorted and flickering. There i
quick update.
Although the VGA cable I used with the intel chipset was working fine
with other laptop/monitor telling me ihe cable is 'fine', it happen I
tried a different VGA cable and this time everything work fine.
So far I suppose it is a cable pin out problem
I'll be happy to provide more i
You can also modify the xorg.conf to prioritize modesetting driver over
intel.
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Title:
External monitor connecting problem on Intel graphics card
I tried to remove but if I do also this packeges will e removed
- lubuntu-core
- lubuntu-desktop
So I did apt-get install --reinstal xserver-xorg-video-intel but nothing
has changed.
If I plug in the VGA and open a window I can see that the system see the
monitor anch I can set via the 'monitor
Please see if this issue can be solved after remove xserver-xorg-video-
intel.
Also, 945GME is quite different to the one used by original bug
reporter...
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THis is the result with
dmesg | grep intel
[1.987610] intel_idle: MWAIT substates: 0x20220
[1.987629] intel_idle: v0.4.1 model 0x1C
[1.987634] intel_idle: lapic_timer_reliable_states 0x2
[2.013276] agpgart-intel :00:00.0: Intel 945GME Chipset
[2.013330] agpgart-intel :
Yes, I do.
I have this problem only with some monitors / TV.
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Title:
External monitor connecting problem on Intel graphics card
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Do you have package "xserver-xorg-video-intel"?
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Title:
External monitor connecting problem on Intel graphics card
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Hi there,
I'm facing still this problem with kernel 4.4.0-116-generic
Any documentation I can post to help?
Dmesg?
thanks
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Title:
External mon
Are we going to see this released in xenial-main?
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Title:
External monitor connecting problem on Intel graphics card
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** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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Title:
External monitor connecting problem on Intel graphics card
To man
> On 9 Nov 2017, at 6:04 PM, Giacomo Orlandi <1686...@bugs.launchpad.net> wrote:
>
> @Kai-Heng I'm running that now it seems to be working well:
> $ uname -a
> Linux giacomo-awin-latitude 4.4.0-100-generic #123-Ubuntu SMP Thu Nov 2
> 10:16:13 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
>
>
> I see
@Kai-Heng I'm running that now it seems to be working well:
$ uname -a
Linux giacomo-awin-latitude 4.4.0-100-generic #123-Ubuntu SMP Thu Nov 2
10:16:13 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
I see many changes in the changelog, what's the patch that fixed it?
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Linux kernel v4.4.0-100 in xenial-proposed contains the fix. Please give
it a try.
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Title:
External monitor connecting problem on Intel graphics
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Kai-Heng Feng (kaihengfeng)
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Title:
External monitor connecting problem on Intel gra
@Kai-Heng thanks a lot, using the modesetting driver helped!
I just read that using the Intel driver is not recommended anymore on newer
systems, I didn't know that.
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Thanks for your testing.
The blank screen issue was always there, right?
I think use modesetting driver instead of intel DDX should fix the issue.
You can either use xorg.config or "apt purge xserver-xorg-video-intel" to
switch to modesetting driver.
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@Kai-Heng: the problem is fixed here using your 4.4.0-99 version on my Dell
Latitude E7470 with Skylake.
Well it's buggy like on 4.4.0-72, after loggin both screens go black, but I
have my workaround works again. If I switch to text mode (Ctrl+Alt+F1) and back
(Alt+F7) both screens work
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You
It should be fixed in later 4.4 kernel [1]
In the interim, please try kernel [2].
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=12aa6f7f80c17ea47d0e186bade52272d0a77514
[2] http://people.canonical.com/~khfeng/1686189/
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Same problem here, affects me on 4.4.0-93-generic. Dell E7450 with
docking station and 2 monitors, used to work flawlessly on 14.04.
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Title:
Exte
I tried Ubuntu 17.04, still the same issue.
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Title:
External monitor connecting problem on Intel graphics card
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The drm nightly kernel works for me (4.12.0-994-lowlatency). However, I
do not have WLAN.
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Title:
External monitor connecting problem on Intel gr
@Kai-Heng:
I do use a mini Displayport Cable with a Lenovo Thinkpad T460S. In the
meantime I tried every kernel I could install using ukuu. However, none
of them worked. Prior to Ukuu I did use a kernel from the nightly builds
(drm-intel) and the monitor worked but WLAN not. Therefore, I
deinstall
@Giacomo Orlandi, I experience what you describe since day one with
Ubuntu 16.04 (DELL + USB DOCK). My work around is to disable the
flickering screen and revert the settings.
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Sorry for the delay, I tried:
linux-image-4.4.0-83-generic doesn't work
linux-image-4.8.0-040800-generic doesn't work
linux-image-4.10.0-041000-generic works
linux-image-4.11.0-041100-generic works
By the way, I didn't mention is that even the kernel versions that work are far
from perfect. Whe
Moritz,
Do you use a docking station?
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Title:
External monitor connecting problem on Intel graphics card
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Still the same issue:
4.11.7-041107-generic #201706240231 SMP Sat Jun 24 06:33:20 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux
VGA compatible controller: Intel Corporation Sky Lake Integrated
Graphics (rev 07)
i915 1495040 9
i2c_algo_bit 16384 1 i915
drm_kms_helper
Thanks for the testing.
Can you also try 4.4.71, 4.8, 4.9 as #35 states?
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Title:
External monitor connecting problem on Intel graphics card
To m
@Kai-Heng
Per request in #30, I installed version 4.10. Everything seems to be
working just fine now. First Kernel outside of 4.4.72 that has worked
for me.
rodavid@rodavid-Latitude-E7250:~$ lsmod | grep i915
i915 1449984 5
i2c_algo_bit 16384 1 i915
drm_kms_helper
Hi, please try Linux kernel version 4.4.71, 4.8, 4.9 at [1] so I can
know the what exact patch series fixed the issue.
My guess is that backported lspcon feature broke some machine. But since
4.10 works, we need to backport more patches to ours 4.4 Linux.
[1] http://kernel.ubuntu.com/~kernel-ppa/
@Kai-Heng
Sorry for delay - been off work due to injury :(
lsmod | grep i915:
rodavid@rodavid-Latitude-E7250:~$ lsmod | grep i915
i915 1208320 5
i2c_algo_bit 16384 1 i915
drm_kms_helper155648 1 i915
drm 364544 6 i915,drm_kms_helper
video
E7470 on Dell dock 0PDXXF here as well. LCD(eDP-1)+DVI(DP-1-1)+VGA(DP-1-3).
Intel graphics only.
I'm running 4.4.0-79-lowlatency now.
DISTRIB_ID=neon
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="KDE neon User Edition 5.10"
I've found out that graphics come up after I switch
Last but not least, try latest 4.4 stable kernel:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.71/
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Title:
External monitor connecting prob
Also, please try 4.8 and 4.9.
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Title:
External monitor connecting problem on Intel graphics card
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h
Can you try if these kernel works?
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10/
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.11/
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Title
@Kai-Heng, if that can help this is my configuration below:
-Dell Latitude E7450 on a Dell docking station with two screens (1 VGA , the
other
-Intel® Core™ i7-5600U CPU @ 2.60GHz × 4
-GeForce 840M/PCIe/SSE2
ggalibert@ggalibert-Latitude-E7450:~$ lsmod | grep i915
i915 1208320 3
@Kai-Heng I use a Dell E-Port Plus.
This is my ouput of lsmod | grep i915:
i915_bpo 1302528 5
intel_ips 20480 1 i915_bpo
i2c_algo_bit 16384 1 i915_bpo
drm_kms_helper155648 1 i915_bpo
drm 364544 6 i915_bpo,drm_kms_helper
video
NVidia setup is also including a second intel card (for power saving
mode), but yes I mainly try to use NVidia profile (kernel used to
complain about the intel card just like it is in your case).
Secondly not only 4.4.0-72-generic is working also 4.10.1-041001-generic
does very good job.
As for l
@Robert @Giacomo
Are Linux kernel 4.4.0-73 ~ 4.4.0-77 all failed to work?
Can you paste the output of `lsmod | grep i915` here?
Also, which docking station do you use? I have an USB type-C docking station
(TB15) at my hand, but I am not sure if you use this one...
@Robert
I am not sure which driv
Not sure if this is a coincidence or what, but I'm also using a Dell
Docking Station / Port replicator.
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Title:
External monitor connecting probl
Version 4.4.0-72-generic seems to be the last version that works for
everyone here, on different systems. I renamed this bug to mention
Intel, but Shay Perlstein above had the same problem on NVidia.
@Kai-Heng could it be the same bug even if on different graphic drivers? Do you
know if there is
@Kai-Heng
4.4.0-72-generic
As long as I boot with that Kernel, I have no issues. Every one after
that, just gives me the above issues.
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I jumped to 4.10.1-041001-generic since I failed to go back to 4.4.0-72 which
used to work, everything is working again as it should without any problem, I
am now using the latest nvidia driver 381.22 (, also 378.13 worked perfectly
fine).
The kernel version definitely makes a difference
BTW
@Giacomo
On Xenial's linux 4.4, Skylake uses i915_bpo instead of i915.
Please file a separate bug for this.
@Robert
What version was the last working linux kernel?
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I am having the same issues even with the newer Kernel,
4.4.0-79-generic.
Like others have mentioned above, I can mess with the settings and
sometimes "it gets it" and other times it just causes the whole machine
to lock up and I have to force reboot it. Even when the monitors do
show up in xrand
The problem is only reproducible with some Kernel versions, how can it not be
related to the Kernel?
I actually have a Sky Lake, not a Haswell like the reporter.
So maybe one of those commits for Baytrail caused a regression on other Intel
Graphics processors?
Another culprit seems to be Dell la
Most kernel drivers are in extra package, i.e. linux-image-
extra-4.4.0-78-generic.
There are only two commits between -72 to -78:
commit 2fce21649c85703a63e9c70ccc6e3b9caa813041
Author: Mika Kuoppala
Date: Wed Feb 15 15:52:59 2017 +0200
drm/i915: Avoid tweaking evaluation thresholds on Ba
@kaihengfeng this is my output of that command:
~ $ dpkg -l | grep linux-image
hi linux-image-4.4.0-72-generic 4.4.0-72.93
amd64Linux kernel image for version 4.4.0 on 64
bit x86 SMP
ii linux-image-4.4.0-78-generic
Same thing here, 4.4.0-78 does not solve the problem at all, I barely
can work, is there going to be any attempt to fix this soon?
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Title:
Extern
Maybe graphics driver doesn't exist at all?
Can you attach output of `dpkg -l | grep linux-image`?
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Title:
External monitor connecting problem on
For me, 4.4.0-78 actually made it worse on my Dell Latitude E7250 to the
point where I had to downgrade to 4.4.0-72 in order to be able to use
external monitors again.
With versions prior to 4.4.0-78, running xrandr a couple of times would
usually cycle through all kinds of weird broken setups wit
there was some improvement with 4.4.0-78 but still is ongoing - Ubuntu
can't wake a suspended monitor, doesn't remember monitors positions
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Can confirm nvidia with and without intel profile get the same problem with
4.4.0-78-generic
same case was with 4.4.0-77-generic.
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Title:
Extern
Same problem here. Reverting to 4.4.0-72 fixed the issue.
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Title:
External monitor connecting problem on Intel graphics card
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can confirm what others have reported above with 16.04
with 4.4.0-77 I have the issue, the issue wasn't/isn't present with
4.4.0-72 and below
I'm unsure if this problem originates from a Xorg package - from the
most recent Linux Kernel changelogs I think I noticed some bugfix that
could affect th
** Summary changed:
- External monitor connecting problem
+ External monitor connecting problem on Intel graphics card
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Title:
External monitor
Confirming the same issues - 4.4.0-77 bugs and wont display external
screens on Dell E7250. Can run with 4.4.0-72 kernel and everything is
just fine.
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Confirming the same issue - 4.4.0-72 works on Dell E7470 with intel, 4.4.0-77
doesn't.
Seems like a kernel bug.
xrandr showing screens but displays fall into sleep whatever I try.
plymouth not affected, only X.
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I have this problem since linux-image-4.4.0-75
linux-image-4.4.0-77 is also affected.
linux-image-4.4.0-72 works
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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@naveenkumarmula do you mind trying to boot with the previous kernel
version and see if that fixes it for you too? You should be able to
choose the Kernel to start at boot.
Btw I'm also on Intel graphics
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Sorry for spamming everyone, as this started happening after a kernel
upgrade is it a Kernel bug?
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Title:
External monitor connecting problem
To
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xorg (Ubuntu)
Status: New => Confirmed
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Title:
Exter
I have the same problem on 16.04.2 Xenial since upgrading the Kernel to
4.4.0-75 yesterday.
Booting the the older kernel version 4.4.0-72-generic seems to be a workaround.
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