This bug is awaiting verification that the linux-
hwe-5.15/5.15.0-33.34~20.04.1 kernel in -proposed solves the problem.
Please test the kernel and update this bug with the results. If the
problem is solved, change the tag 'verification-needed-focal' to
'verification-done-focal'. If the problem still exists, change the tag
'verification-needed-focal' to 'verification-failed-focal'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-focal

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-5.14 in Ubuntu.
https://bugs.launchpad.net/bugs/1972134

Title:
  AMD APU s2idle is broken after the ASIC reset fix

Status in linux package in Ubuntu:
  Confirmed
Status in linux-oem-5.14 package in Ubuntu:
  New
Status in linux source package in Focal:
  Won't Fix
Status in linux-oem-5.14 source package in Focal:
  Fix Released
Status in linux source package in Jammy:
  Fix Committed
Status in linux-oem-5.14 source package in Jammy:
  Invalid

Bug description:
  [Impact]
  The AMD based system can not reach s2idle after fix for LP: #1968475.

  [Fix]
  No need to evict resources for s2idle case.

  [Test]
  Test on a Cezanne, confirmed the 5.14.0-1035 breaks s2idle, and applying
  the fix can make s2idle work again.

  [Where problems could occur]
  The fix only applies to AMD APU, and the resources sould stay at carved
  out region over sleep.

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