This issue is back. I am on 5.4.0-66-lowlatency #74-Ubuntu SMP PREEMPT
Wed Jan 27 23:41:42 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux.
After the display goes off after the automatic timeout it will not come
back on.
** Attachment added: "prevboot log"
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
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https://bugs.launchpad.net/bugs/1890863
Title:
[amdgpu] Display does not come on after suspend (amdgpu crashes)
After installing today's updates the issue is no longer occurring.
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https://bugs.launchpad.net/bugs/1890863
Title:
[amdgpu] Display does not come on after suspend (amdgpu crashes)
To
Please test latest mainline kernel:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.9-rc3/amd64/
And file an upstream bug if issue persists:
https://gitlab.freedesktop.org/drm/amd/issues
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That log is after booting with GRUB_CMDLINE_LINUX_DEFAULT="quiet splash
pci=noats"
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https://bugs.launchpad.net/bugs/1890863
Title:
[amdgpu] Display does not come on after suspend
Thanks, but no, the screen still did not come on. Log file attached.
** Attachment added: "noats.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1890863/+attachment/5406901/+files/noats.txt
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Does kernel parameter "pci=noats" help?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1890863
Title:
[amdgpu] Display does not
Perfect, thanks. That shows the 'amdgpu' kernel driver is crashing in a
couple of ways.
** Summary changed:
- [amdgpu] Display does not come on after suspend
+ [amdgpu] Display does not come on after suspend (amdgpu crashes)
** Changed in: linux (Ubuntu)
Status: Incomplete => New
**
2/2
** Attachment added: "prevboot5.8_2.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1890863/+attachment/5401583/+files/prevboot5.8_2.txt
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Thank you, attached log 1/2
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Title:
[amdgpu] Display does not come on after suspend
To manage notifications about this bug go to:
1/2
** Attachment added: "prevboot5.8.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1890863/+attachment/5401582/+files/prevboot5.8.txt
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Can you please try again on kernel 5.8 and gather another log?
The problem with the log in comment #6 is that it ends too early -- when
the system suspends. And doesn't show anything about trying to resume
from suspend. This is a common issue with these kinds of bugs. To make
it more likely that
Tested, however the issue persists
** Attachment added: "prevboot.5.8.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1890863/+attachment/5401334/+files/prevboot.5.8.txt
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Please test this kernel:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.8/amd64/
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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