** Changed in: linux
Status: Unknown => New
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https://bugs.launchpad.net/bugs/1916950
Title:
[amdgpu] Screen fails to wake up after sleep using 5.4.0-66, but
5.4.0-65 works
To
I installed the HWE kernel using :
$ sudo apt-get install linux-generic-hwe-20.04
What is the recommended way to remove it and go back to the regular
kernel again?
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That sounds like the fix was published yesterday. Please test it:
sudo apt update
sudo apt full-upgrade
and reboot.
** Changed in: linux (Ubuntu)
Status: Triaged => Incomplete
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I suppose it should be fixed now in 5.4.0-67...
* Focal update: v5.4.88 upstream stable release (LP: #1913223)
- Revert "drm/amd/display: Fix memory leaks in S3 resume"
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Also confirm this on 5.4.0-66, after upgrading from working 5.4.0-65.
20.04 and Radeon rx 550 + hdmi connection.
Please, update this bug if/when it gets fixed in the next 5.4.0-67.
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@Daniel van Vugt That's a good idea. Thank you. I didn't know what the HWE
kernel was. This explains it nicely
https://askubuntu.com/questions/248914/what-is-hardware-enablement-hwe
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As a permanent fix you can apply right now, you might wish to jump to
the HWE (5.8) kernel:
sudo apt install linux-generic-hwe-20.04
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Title:
Can also confirm rolling back to 5.4.0-65-generic fixes the issue.
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Title:
[amdgpu] Screen fails to wake up after sleep using 5.4.0-66, but
Everything was working fine for me up until I created this bug.
I checked dpkg logs + my reboot times and it's when I booted from
5.4.0-65 to 5.4.0-66 that this broke. So this adds up nicely
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Sorry, I read that wrong. The fix is in the 5.8 HWE kernel already.
** Changed in: linux-meta-hwe-5.8 (Ubuntu)
Status: Confirmed => Fix Released
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Aha! Yes indeed the offending commit first appeared in amdgpu_dm.c in
5.4.0-66, so reverting to 5.4.0-65 should work around the problem.
** Summary changed:
- [amdgpu] Screen fails to wake up after sleep
+ [amdgpu] Screen fails to wake up after sleep using 5.4.0-66, but 5.4.0-65
works
** Tags
^^^
Anders, can you please try booting 5.4.0-65-generic ?
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Title:
[amdgpu] Screen fails to wake up after sleep using 5.4.0-66, but
5.4.0-65
This issue is also affecting me. I booted up with kernel
5.4.0-65-generic which resolved the issue.
Ubuntu 20.04.2 LTS
5.4.0-66-generic
AMD Radeon RX5700XT
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The tty2 workaround didn't work for me.
I have to do a couple of sleep/wake cycles and eventually the screen stays on.
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Title:
[amdgpu] Screen
I have this issue too. (@Anders Aagaard, thanks for the tty2
workaround).
Distro: Ubuntu 20.04.2 LTS (Focal Fossa)
Kernel: 5.4.0-66-generic x86_64
compiler: gcc v: 9.3.0
Desktop: Gnome 3.36.4
wm: gnome-shell
dm: GDM3 3.36.3
Graphics:
Device-1: Advanced Micro Devices [AMD/ATI]
I was already looking at the HWE source code and the revert is not in
that kernel version.
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Title:
[amdgpu] Screen fails to wake up after sleep
Based on the latest comment in
https://gitlab.freedesktop.org/drm/amd/-/issues/1427 it looks like this
got reverted in 5.4.88, which is presumably why this works for me in
HWE?
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The fix mentioned in the upstream bug appears to be one that we don't
have, even in the HWE kernel:
https://gitlab.freedesktop.org/agd5f/linux/-/commit/8768ff5efae35acea81b3f0c7db6a7ef519b0861
So either the bug is not really fixed, or we've linked to the wrong
upstream bug.
** Changed in:
** Also affects: linux-meta-hwe-5.8 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-meta-hwe-5.8 (Ubuntu)
Status: New => Fix Released
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Switching to linux-image-generic-hwe-20.04 seems to have solved the
problem - but I don't think it immediately showed up. Will report back
if I run into the issue again.
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