Since beginning of September the bug disappeared for me. I'm not sure
what update caused it but the usual suspects are: linux-
image-5.4.0-45-generic:amd64 (5.4.0-45.49~18.04.2, automatic) with its
kernel module amdgpu.ko or some xorg-...-hwe parts or a combination of
them.
But I tried with a boot
For all who used the workaround #61: The current update xserver-xorg-
video-amdgpu-hwe-18.04:amd64 19.0.1-1ubuntu1~18.04.1 19.1.0-1~18.04.1
overwrites the file /usr/lib/xorg/modules/drivers/amdgpu_drv.so (file
date May 21 09:16) and the bug returns again.
It is one step forward one step back ...
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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@jose: The above workaround seems to be related with your patch
mentioned at #42.
The function "amdgpu_present_check_flip()" returns prematurely if the
variable "info->allowPageFlip" is set to false. "info->allowPageFlip"
contains the evaluation of the configuration "OPTION_PAGE_FLIP"
evaluated fr
At least for me I found a reproducible workaround for the resume bug. I
found it more or less with try and error.
I added the option "EnablePageFlip" to the configuration file
"/usr/share/X11/xorg.conf.d/10-amdgpu.conf" like this:
Section "OutputClass"
Identifier "AMDgpu"
MatchDri
@jose: It seems that I already have installed a "amdgpu_drv.so"
containing your mentioned patch.
My package manager claims that I have installed "xserver-xorg-video-
amdgpu-hwe-18.04_19.0.1-1ubuntu1~18.04.1_amd64.deb" with version
"19.0.1-1ubuntu1~18.04.1". I compared the binary deb-package of my
@Richard:
I tried your suggestion without luck. The screen remains black, the
backlight was switched on. To verify I tried multiple times.
The only true workaround (with KDE) is to switch the compositor off
before turning into sleep. You have to switch the compositor on after
return from suspend.
@jose: I'm not able to manage a setup to verify your reported bug fix.
Sorry.
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Title:
Freeze on system-resume caused by kwin and amd
@jose: The next days I'll try to verify if this fix will remove the bug
with my computer.
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Title:
Freeze on system-resume caused by
@Richard: Did you mean Ubuntu 20.04? What kernel have you running (uname
-r)?
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Title:
Freeze on system-resume caused by kwin and amd
apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1849084/+attachment/5353479/+files/ProcEnviron.txt
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apport information
** Attachment added: "Dependencies.txt"
https://bugs.launchpad.net/bugs/1849084/+attachment/5353477/+files/Dependencies.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1849084/+attachment/5353478/+files/ProcCpuinfoMinimal.txt
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ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.14
Architecture: amd64
CurrentDesktop: KDE
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2019-06-17 (301 days ago)
InstallationMedia: Kubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64
(20190210)
Package: xserver-xorg-video-amdgpu
Packa
I can confirm that with switched off compositor (KDE, Shift-ALT-F12)
resume is working. But I think the compositor act as trigger only and is
not the reason for the bug.
I've attached the relevant journalctl output of a current unsuccessful
resume. I started the sleep at 13th april about 20:28:06
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