** Also affects: linux-raspi (Ubuntu Focal)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1880125
Title:
v3d driver clock problem
I also experience this issue with 2 different Brand of Bluetooth Headset:
ATH-CRK75BTH
Edifier W200BT
Problem also appears every time I switch bluetooh devices as INPUT
device and OUTPUT using HEADSET Unit (HSP/HFP). Input indicator bar
doesn't move and test OUTPUT doesn't produce any sound. When
** Changed in: linux (Ubuntu)
Importance: Undecided => Wishlist
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https://bugs.launchpad.net/bugs/1881097
Title:
[Thinkpad X1C7][Thinkpad X1C8]F1 and F4 Hotkey LED Light
I also experience this issue with 2 different Brand of Bluetooth Headset:
ATH-CRK75BTH
Edifier W200BT
Problem also appears every time I switch bluetooh devices as INPUT
device and OUTPUT using HEADSET Unit (HSP/HFP). Input indicator bar
doesn't move and test OUTPUT doesn't produce any sound. When
Thanks for the verification @vali !!
** Tags removed: verification-needed-eoan verification-needed-focal
verification-needed-xenial
** Tags added: verification-done-eoan verification-done-focal
verification-done-xenial
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nvidia drivers are not loaded, please install nvidia-driver-440 and try
again.
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https://bugs.launchpad.net/bugs/1882483
Title:
ThinkPad P1 Gen 2 does not boot
Status in
Thanks Joel, the firmware you posted worked for us.
I will note we have the HBA330 mini, which has it's own distinct upgrade
file as opposed to the regular HBA330.
HBA330 mini:
https://www.dell.com/support/home/en-au/drivers/driversdetails?driverid=124x2
i'm still a bit puzzled why a firmware
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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** Description changed:
When I resume from suspend, my system initially appears to be frozen.
The screen is black and/or the input devices are not working.
After several minutes, I can switch to a console (and then to the
desktop) but the system is under full load, to the point that
** Description changed:
BugLink: https://bugs.launchpad.net/bugs/1882478
[Impact]
Intel Skylake server processors and onward have a different Last Level
Cache (LLC) topology than earlier processors, and such processors have a
new feature called Sub-NUMA-Clustering (SNC) which is
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
ThinkPad P1 Gen 2 does not
Seen on ThinkPad E495. Updated BIOS to 1.16 -- good but did NOT solve
this particular issue. Still getting the boot-to-black issue on battery
power, on a random basis.
Attempting the workaround from Alexander in #3 and #5.
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Public bug reported:
Hi,
Kernels > 5.4.0-28 can not boot Ubuntu 20.04 when *NO* HDMI monitor
plugged.
Kernels > 5.4.0-28 can boot Ubuntu 20.04 when HDMI monitor plugged.
There is also a separate problem:
No wake up after hibernation, only repeated sound without screen image -
physical
** Description changed:
When I resume from suspend, my system initially appears to be frozen.
The screen is black and/or the input devices are not working.
After several minutes, I can switch to a console (and then to the
desktop) but the system is under full load, to the point that
$ rmadison linux
When groovy jumps to 5.7, it's time to change.
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Title:
Thinkpad T430u won't boot without noapic workaround
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1882480
Title:
nvme driver issue causing
I am including the output of the dmesg command as ran immediately after
resume from suspend - it shows the stack trace I am referring to in my
bug report.
** Attachment added: "dmesg_2020-06-08_04:12.txt"
Public bug reported:
When I resume from suspend, my system initially appears to be frozen.
The screen is black and/or the input devices are not working.
After several minutes, I can switch to a console (and then to the
desktop) but the system is under full load, to the point that even
trivial
Public bug reported:
BugLink: https://bugs.launchpad.net/bugs/1882478
[Impact]
Intel Skylake server processors and onward have a different Last Level
Cache (LLC) topology than earlier processors, and such processors have a
new feature called Sub-NUMA-Clustering (SNC) which is similar to the
@Victor,
Sorry, it's my fault. please wait the next released(>= 5.4.0-34)
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Title:
kernel NULL pointer dereference when
In progress?
** Changed in: bluez (Ubuntu)
Status: In Progress => Incomplete
** Changed in: bluez (Ubuntu)
Assignee: Scott Sweeny (ssweeny) => (unassigned)
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** Description changed:
The same case on Ubuntu 20.04 as on the start of 16.04 for my ASUS
Notebook (G75VX):
- No brightness control over the Keyboard
- No brightness control over the systemsettings
- - Screenbrightness what ever i try still on 100%
+ - Screenbrightness what ever i try
$ ls /sys/class/power_supply/
ACAD BAT1
acpi log attached.
Sorry for the wait, I neglected to bring this laptop with me. I now
have access :)
** Attachment added: "acpi.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1879082/+attachment/5381390/+files/acpi.log
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PARTIAL FIX: downgrade the kernel. I can confirm that everything seems to
return to normal if you use GRUB2 to select Linux 4.15.0-101-generic as the
kernel.
I edited /etc/default/grub to
- give a boot menu with a reasonable timeout
- use the last selected kernel as default
** Description
I attempted the process you describe, however I cannot find any kernel
version which allows for the audio output to work within Ubuntu 20.04.
To reiterate, when testing the system with Linux Mint 19.3 with kernel
version 5.3.0-51 #44-18.04.2-Ubuntu sound works properly.
I used these instructions
I today experienced a hang using the v5.7 kernel above without the
"nomodeset" kernel parameter.
The hang occurred before the LUKS password prompt. I will attach a
screenshot of the message displayed at the time of the hang.
I will revert to the v5.4 GA kernel and reapply the "nomodeset"
This seems to be a kernel issue: when I switched back to kernel 4.15 in
GRUB2, the problems seems to go away. Checking on it.
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Title:
Hang
** Attachment added: "Screenshot of hang from 2020-06-07. (v5.7 without
nomodeset)"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1877889/+attachment/5381387/+files/IMG_3217.JPG
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I have realised that if I restart the mouse twice in a row, the touchpad
is recognised as such and starts working for a period of time.
```sudo modprobe -r psmouse```
```sudo modprobe psmouse```
Then, it is recognised back as a generic mouse and stops working.
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The power-off bug can be fixed by installing .56 kernel. I'm using the
following PPA to get that release until it makes into official repos:
https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/proposed.
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This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1882447
Title:
Touchpad and sound doesn't
I can confirm that #61 removes the bug.
I'm running Kubuntu 18.04 with a hwe kernel 5.3.0-51-generic
#44~18.04.2-Ubuntu. (Not 5.3.0-53 because it contains a power off bug.)
Great! Now I hope it will find a way to an "official" update.
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Public bug reported:
My laptop: Lenovo IdeaPad 5 14IIL05
This appeared after update, that I had made 06.06.2020. Sound is
disappeared too. Then I reinstall Ubuntu and don't upgrade it. But
touchpad doesn't work. And doesn't detect in /proc/bus/input/devices.
ProblemType: Bug
DistroRelease:
I have similar issue on my Lenovo ideapad Y700-17ISK; Ubuntu 20.04
I have since 2 or 3 times the correct touchpad recognised, but after a
short time, it changes to PS/2 Generic Mouse, and I have no
functionalities at all.
I have a different bug, reported, as I don't know if the issue it's the
** Summary changed:
- Touchpad recognised as Logitech mouse
+ Touchpad recognised as generic mouse
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https://bugs.launchpad.net/bugs/1882388
Title:
Touchpad recognised as
I've also found
https://www.reddit.com/r/Amd/comments/8yzvxz/ryzen_c6_state_sleep_power_supply_common_current/e33lc6s/
which seems to be promising. It is, however, appalling to see this kind
of response from AMD and I'm quite sure this is my last AMD system.
I'm currently testing my system with
I left the machine on a while, and the internal monitor came on while I was
gone for about an hour.
???
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Title:
Upgrade from 18.04
** Package changed: ubuntu => nvidia-graphics-drivers-435 (Ubuntu)
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https://bugs.launchpad.net/bugs/1882422
Title:
xorg fails to load nvidia driver
If the external HDMI is plugged in at power-on, a login window will show
up on the HDMI, and then I can choose gnome or gnome classic for the
session, log in, then right-click on the desktop, set the displays to
mirror, and get to the main panels or activities menu.
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System:
- Xubuntu 18.04.4, signle seat, single monitor
- NVidia 1050ti driver 435.21
- lightdm 1.26.0
- slick-greeter
Scenario 1: No xorg.conf. I use 'light-locker-command --lock' or 'dm-
tool --lock' or 'dm-tool switch-to-greeter', screen goes black
If I shutdown and unplug the external HDMI monitor, then power on, the
internal display only shows the initial UEFI message, the screen appears
grey, then it goes dark. If I then plug in the HDMI (not changing the
power state) I can get a tty with ctrl-alt-f1, login, and run startx.
MATE then
Oh cool. Is there a page I can check to see when that happens so I can
test it? Thanks!
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https://bugs.launchpad.net/bugs/1808418
Title:
Thinkpad T430u won't boot without
*** This bug is a duplicate of bug 1880041 ***
https://bugs.launchpad.net/bugs/1880041
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
Upgrade from 18.04 to 20.04
I also went in the dconf editor and changed some settings for laptop lid
behavior to 'nothing",
since the display settings show the internal monitor as a laptop monitor. No
effect.
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Public bug reported:
output of lsb_release -rd:
Description:Ubuntu 20.04 LTS
Release:20.04
I recently upgraded from 18.04 to 20.04 and was using MATE. When the upgrade
was run my external
HDMI monitor was plugged in, after the update, when I reboot, the internal
monitor shows the
We found that the system is booting into emergency mode due to unable to
mount EFI partition.
I suspect this is points to 18.04 bug. There is no issue with 20.04
Jun 07 17:08:32 test-Alienware-Aurora-R9 kernel: Initramfs unpacking failed:
Decoding failed
Jun 07 17:08:32 test-Alienware-Aurora-R9
Is there a way I can simply not start Radeon? I do not need it. I have
attempted to blacklist Radeon in a couple of ways but have not been
successful in getting the laptop to boot without booting in recovery
mode.
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** Description changed:
Issue:- Getting blank screen after the initial install grub prompt.
Tried acpi=off, nomodeset parameters added in grub still no luck
Note:- Ubuntu 20.04 LTS worked without any issues.
Env:-
UEFI - Dual boot, secure boot disabled, SATA to
Hello,
Latest apport info fetched info from 18.04 maintaiance mode.
Current status:- Able to install 18.04 with passing "nomodeset" after upgrading
BIOS to 1.0.8.
Post reboot failed, even after installed the NVIDIA driver - 440
Only boot, by passing nomodeset in grub.
Please investigate the
apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1882195/+attachment/5381216/+files/WifiSyslog.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1882195/+attachment/5381212/+files/ProcInterrupts.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1882195/+attachment/5381215/+files/UdevDb.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1882195/+attachment/5381205/+files/CurrentDmesg.txt
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apport information
** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1882195/+attachment/5381214/+files/RfKill.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1882195/+attachment/5381210/+files/ProcCpuinfoMinimal.txt
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apport information
** Description changed:
Issue:- Getting blank screen after the initial install grub prompt.
Tried acpi=off, nomodeset parameters added in grub still no luck
Note:- Ubuntu 20.04 LTS worked without any issues.
Env:-
UEFI - Dual boot, secure boot
apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1882195/+attachment/5381213/+files/ProcModules.txt
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apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1882195/+attachment/5381206/+files/IwConfig.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1882195/+attachment/5381204/+files/CRDA.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1882195/+attachment/5381211/+files/ProcEnviron.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1882195/+attachment/5381209/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1882195/+attachment/5381207/+files/Lspci.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1882195/+attachment/5381208/+files/Lsusb.txt
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Sorry, I don't upload my stuff here. Using a self build kernel is at
your own risk especially there are no security-updates etc. You need to
take care yourself if you are willing to do so.
Unfortunately there are a lot of outdated instructions around how to build a
kernel.
I used this (in
Possibly upload his modified kernel*
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https://bugs.launchpad.net/bugs/1881319
Title:
Touchpad not recognized Lenovo IdeaPad 5 15ARE05 (probably falsely as
touch panel)
My installation with mainline 5.7.0 uses
/sys/class/backlight/amdgpu_bl0/brightness and it works partly, but not perfect.
Screen reacts for values from 123 to 255...
Have you executed "update-grub" and running the correct kernel (check with
uname -r)?
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@sulliwane: What @Simon did was to change the "eKTH I2C touchscreen" to
be built as a module when compiling the kernel. I tried this and it
didn't seem to make a difference for me but I'm not as experienced with
Linux and may have done something wrong hence why I was asking if he
could possibly at
@piscvau, the original report is not about a crash, so your issue is
unrelated. Please create a separate report for the crash Ubuntu 20.04.
(Also mention there, if it is a system crash/hang? Does the numlock key
still work? Can you switch to a virtual console with Ctrl + Alt + F4?
Can you still
My Lenovo T440p (with optimus - i915, nouveau) running 20.04 (Kernel 5.4.0-33)
is also affected.
If I connect an external monitor (Dell U2515H) to it via Displayport it freezes
at boot.
As workaround I switched from GDM to LightDM. With LightDM it boots
straight to the login screen.
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Thanks @Simon!
For information, I installed 5.7 from mainline
(https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.7/) but Touchpad
still not working.
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Hey @Simon, I also installed 5.7 from mainline
(https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.7/) but Brightness
still not working for me.
I notice that adjusting the brightness using the keys or the mouse will
change the number from 1 to 21 in this file: cat
524bb73bc15c56f5587e33c817e103a259b019d2
5274e6c172c47241534e970df26a522497086624
55e00fb66fd5048f4a3ee357018fd26fc527abca
5d6b6a6f9b5ce7ac42273efd75d61ec63b463c18
71581eefd7a0a81b1af7d7c93641925a01d70a9a
8ab22804efefea9ecf3c68aa00f1fa69c70fcfad
98265c17efa9f2279c59262cd27679aca12e0bb8
@sulliwane:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1881462
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https://bugs.launchpad.net/bugs/1881319
Title:
Touchpad not recognized Lenovo IdeaPad 5 15ARE05
Apologies for spamming, guys.
I tried another fix for this bug, as suggested here:
https://gitlab.freedesktop.org/drm/amd/-/issues/695#note_313722
and it seems to be working.
I rebuilt the xserver-xorg-video-amdgpu-hwe-18.04_19.0.1 package with
https://github.com/freedesktop/xorg-xf86-video-
Also, did anyone opened an issue related to the brightness controls?
Impossible to adjust the brightness
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Title:
Touchpad not
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
syslog flooded with "wlan0:
Public bug reported:
This issue can be found since 4.15.0-99-generic
Not sure how to reproduce this yet.
But when this happens syslog will be flooded with the following error message,
the wifi led will
be off, the disk I/O LED will keep blinking (I guess it's writing those log)
and the system
I also have a Lenovo IdeaPad 5 15ARE05 with Ubuntu 20.04 installed on
it. No touchpad working.
cat /proc/bus/input/devices
I: Bus=0019 Vendor= Product=0005 Version=
N: Name="Lid Switch"
P: Phys=PNP0C0D/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
U:
Seems to be related: https://bbs.archlinux.org/viewtopic.php?id=256002
(Lenovo Ideapad 5 touchpad not working / untraceable)
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Title:
Good news. I was able to work-around this problem by disabling DRI 3:
#nano /usr/share/X11/xorg.conf.d/10-amdgpu.conf
Option "DRI" "2"
I also added:
Option "TearFree" "true"
to mitigate any screen tearing, although that was for purely cosmetic
reasons.
See if this works for you and report back,
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