This is happening to me. I'm on Raring, fairly updated (haven't updated
in a few days, so will do so soon).
This is an Asus N56VM (Ivy Bridge, with USB2 and USB3 ports, all of them
stop working). This has happened twice, and it doesn't happen every
time. Most of the time suspend works ok.
stuff in kern.log
Oct 17 20:27:47 valinor kernel: [13507.329431] usb 3-4: new full-speed USB
device number 94 using xhci_hcd
Oct 17 20:28:05 valinor kernel: [13512.345363] xhci_hcd :00:14.0: Timeout
while waiting for evaluate context command
Oct 17 20:28:05 valinor kernel: [13525.178721]
This is the only output after it tries a few times to recover.
But this output, was there before the crash. In fact, this is `dmesg` on
my current session (obviously not hung... yet):
```
[5.655902] amdgpu :07:00.0: amdgpu: RAS: optional ras ta ucode is not
available
[5.668958]
Public bug reported:
I've been using 23.04 for a few months, and experienced a total system
hang occasionally when sharing my screen over Zoom or Google Meet
(running on Google Chrome).
At first it hangs and then it periodically flashes like it's trying
(unsuccessfully) to recover; I've got 3
This is a video showing the behavior once it hangs:
https://youtu.be/cTQtYIKzo8E
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https://bugs.launchpad.net/bugs/2043640
Title:
amdgpu hangs the computer frequently
I found relevant log entries.
** Attachment added: "excerpt from offending boot's logs"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2043640/+attachment/5720206/+files/amdgpu-hang.txt
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This is all the logs for that boot.
** Attachment added: "full logs"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2043640/+attachment/5720207/+files/lastboot-.txt
** Summary changed:
- amdgpu hangs the computer frequently
+ amdgpu: GPU Recovery fails, frequent hangs
--
You
Thanks a lot, Mario, for pointing me in the right direction. It's
definitely MCBP what causes it. I've been testing it for a few hours,
and it was _very_ easy to trigger.
It seems to only be triggered (or at least _more frequently_) when using
multiple outputs, and USB-C DP => HDMI through docks.
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