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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1975804
and then change the status of the bug to 'Confirmed'.
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the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1975804
Title:
[SRU][OEM-5.14/OEM-5.17/J][PATCH 0/2] Fix system hangs after s2idle on
AMD A+A GPU
Status in HWE Next:
New
Status in linux package in Ubuntu:
New
Status in linux-oem-5.14 package in Ubuntu:
New
Status in linux-oem-5.17 package in Ubuntu:
New
Status in linux-oem-5.14 source package in Focal:
New
Status in linux source package in Jammy:
New
Status in linux-oem-5.17 source package in Jammy:
New
Bug description:
[Impact]
Sytesm may hang after s2idle on AMD A+A GPU config due to the following
commits:
8b328c64c7082278c888927f00e526786eec2880 ("drm/amdgpu: don't use BACO
for reset in S3") https://bugs.launchpad.net/bugs/1968475
a26d80ba0d9e67ea11cbfc25618320163497d3fe ("drm/amd/pm: keep the BACO
feature enabled for suspend") https://bugs.launchpad.net/bugs/1958371
[Fix]
Revert one commit and don't reset dGPU when s2idle
[Test]
Verified on AMD RMB, stress s2idle passed.
[Where problems could occur]
Low risk, it may break s2idle on AMD platform.
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