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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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 fixe
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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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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htt
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 wi
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
@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 be
@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 aw
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 buil
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, and
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 -
Scoured the web for hours thinking this was such a simple fix, someone
certainly has it nailed by now. Haha, wrong!
Tried every 'fix' out there; none work on this model, 82GK. Help needed!
** Changed in: linux (Ubuntu)
Status: Expired => Confirmed
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The problem does seem to have (at least) two separate causes:
1) Failure (during installation and updates) to recognize the hardware
and install the right kernel module(s)
2) Adverse interaction between OS components such that the kernel can
see and use the hardware, but HDMI audio is initialized
@Paul_Dufresne, many thanks for driving the fix to this longstanding
bug. It's been present for over three years and likely affects millions
of users.
Following your work here:
https://gitlab.freedesktop.org/drm/amd/-/issues/1569#note_1601169, it
appears there's finally going to be a real, permane
The fix is imminent.
https://gitlab.freedesktop.org/agd5f/linux/-/commit/34d84636e5e09521d031863a01f9b9fb22ffa875
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1993217/comments/37
After proven by the community, I look forward to updating the workaround
post as "No longer needed!"
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