Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-oem-6.5 (Ubuntu Jammy)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2047389
Title:
Fix AMDGPU crash on 6.5 kernel
Status in HWE Next:
In Progress
Status in linux package in Ubuntu:
Confirmed
Status in linux-oem-6.5 package in Ubuntu:
Invalid
Status in linux source package in Jammy:
Invalid
Status in linux-oem-6.5 source package in Jammy:
Confirmed
Status in linux source package in Mantic:
Confirmed
Status in linux-oem-6.5 source package in Mantic:
Invalid
Status in linux source package in Noble:
Confirmed
Status in linux-oem-6.5 source package in Noble:
Invalid
Bug description:
[Impact]
AMD GPU crash with a message: " cp queue preemption timeout".
[Fix]
Disable MCBP(mid command buffer preemption) by default as old Mesa
hangs with it.
[Test]
Tested on hardware, play web video for more than 1 hour OK.
[Where problems could occur]
It may break AMD GPU.
This issue is only reproduced on v6.5+ kernel versions and fixes in
v6.6, so SRU for oem-6.5, mantic.
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