This bug is awaiting verification that the linux-nvidia-6.5/6.5.0-1007.7
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-jammy-linux-nvidia-6.5' to 'verification-done-
jammy-linux-nvidia-6.5'. If the problem still exists, change the tag
'verification-needed-jammy-linux-nvidia-6.5' to 'verification-failed-
jammy-linux-nvidia-6.5'.


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: kernel-spammed-jammy-linux-nvidia-6.5-v2 
verification-needed-jammy-linux-nvidia-6.5

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-6.5 in Ubuntu.
https://bugs.launchpad.net/bugs/2039405

Title:
  Unable to power off the system with MTL CPU

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  In Progress
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:
  Fix Released
Status in linux source package in Mantic:
  Fix Committed
Status in linux-oem-6.5 source package in Mantic:
  Invalid

Bug description:
  [Impact]
  The commit introduced from v6.4 leads to the power off issue
  45e34c8af58f x86/smp: Put CPUs into INIT on shutdown if possible

  [Fix]
  The problematic commit has been reverted since v6.6
  fbe1bf1e5ff1 Revert "x86/smp: Put CPUs into INIT on shutdown if possible"

  [Test case]
  1. Power up the MTL system
  2. Power off the system and make sure it shutdown correctly

  [Where problems could occur]
  From the origin commit log, revert the commit may have a protential security 
issue.

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