Thanks, @mdeslaur. At least there's a workaround for now (or so it
appears).
After the last post by Hans de Goede in that thread, I was hopeful there
would be a fix forthcoming (still broken as of LMDE 6.1.76-1). But that
was dated 5+ months ago so not sure when, or if this will get done.
But no
@Gerry, it's clear from your aplay list that the kernel doesn't see the
HDMI audio hardware. Mine, for example, shows:
card 1: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]
So it appears you need TWO workarounds; the second is ready to go but
the requirement of the first is to make the kernel
@lestcape, thanks for your upstream work toward a permanent fix.
Excellent job there documenting the history of this bug. Since there was
a bugless time, it seems that diffing the code from then with current
would painlessly reveal the trigger. While it's there for the fixing,
the trick seems to
This bug is still present in 20.04, k5.4.0-113 at this writing.
Apparently the script looks *only* at /boot to decide which drivers are
needed. When root (or /home) is on a separate nvme drive, the system
won't boot until initramfs is updated manually (with nvme driver).
The fix seems pretty
The Internet is clogged with reports of this bug on AMD GPUs, but some
w/ Intel/nVidia (which I haven't followed).
Is your info from post 61 still valid? (This would be for a current,
unmodified update of any distro.)
It would interesting to plug in a Mint live device and check output of
'aplay
Hmm, I'm running bone stock LM 20.1 and the kernel is 5.4.0-80 (auto-
updated a few days ago). In the last several months, the bug has been
triggered a few times -- not often, and always after resume from
suspend. On reboot, everything works.
Hate to say I spent days working on a fix for this,
Have you tried the quick workaround linked at post 53?
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1834771/comments/53
Have to note that this bug disappeared on switching to Mint. (Too many
bugs trying to get legacy interface using Ubuntu and gnome-panel,
finally gave up and left the
@lesliek, also a longtime user here, always Ubuntu w/ gnome-panel
(called by different names over time, currently "Flashback"). Every few
years I've checked in on Mint and finally switched over ~2 months ago.
Quickly realized that all of the patches and workarounds (such as this
very one!) I'd
Belay that last post. Workaround was working perfectly, tested over a
dozen times. But behavior has now returned to normal: crash on resume.
So a big NM, still searching.
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Many bug reports on this, kernel breaks with both Nvidia and AMD
graphics on resume from suspend.
Permanent upstream fix is needed, meanwhile posted a workaround that
returns a functional suspend command:
https://askubuntu.com/a/1217890/165265
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After upgrade to 20.04.1, problem vanished. (also with k5.4.0-45)
So maybe bug was triggered by a backport snafu? Unknown, but after
upgrading three systems to 20.04, no more resume crashes. Doesn't help
much to find the fault, but maybe a good, 'permanent' workaround.
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The post 54 workaround fixed it for me, thanks much @khitschler.
(https://bugs.launchpad.net/ubuntu/+source/plasma-
desktop/+bug/1849084/comments/54)
Running Ubuntu 18.04.1 with latest stable kernel (5.4.0-42), but this
has been a problem since the upgrade from 16.04.
Since there are no issues
Thanks @Norbert. Confirming this bug is still present in the latest
18.04 release and your workaround still fixes it.
Actually spent many hours trying to do this "properly," both directly
and by searching. Nothing worked and found no solution.
Two thoughts:
- The key seems to be modifying the
Generated a workaround that restores HDMI sound and posted here:
https://askubuntu.com/a/1207919/165265
It uses bassmanitram's methods (credit given) but static hardware
assignment values, and is packaged to be a little more user-friendly.
Applied on three machines and using until this bug is
Fresh install U18.04 on PC with AMD rs880 [radeon hd 4200], confirming
exact same problems.
Over the years audio breaks, gets fixed, breaks again, and on it goes.
Currently it's broken again and this bug remains unassigned! Dear devs,
you know we love you. Please fix!
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