Public bug reported:
[Impact]
The error is shown in dmesg:
kernel: intel_pmc_core INT33A1:00: pmc_core: couldn't get DMU telem endpoint -6
c6 status in not shown in debugfs.
[Fix]
Add Arrow Lake PMU GUIDs in pmc_core:
a32f7d76e3cd7 platform/x86:intel/pmc: Add DMU GUID to Arrow Lake U/H
3b603955f2423 platform/x86:intel/pmc: Add support for multiple DMU GUIDs
644ab3bc98ee3 platform/x86:intel/pmc: Update Arrow Lake telemetry GUID
[Test]
The pmc error is not shown in dmesg.
# cat /sys/kernel/debug/pmc_core/die_c6_us_show
16476381
[Where problems could occur]
It may break intel pmc support.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: jira-sutton-2601 oem-priority
** Tags added: jira-sutton-2601 oem-priority
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2137615
Title:
[SRU] add support of Arrow Lake in pmc
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/2137615/+subscriptions
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
