Second thought. While there are still a few fixes for this issue not yet
applied to linux-5.13 stable, nor on 5.13-oem/generic, so I think it's
necessary to get this fixed first before new production grade hw
becoming available.
** Changed in: hwe-next
Status: Won't Fix => In Progress
** Changed in: linux-oem-5.13 (Ubuntu)
Status: Won't Fix => In Progress
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Status: Won't Fix => In Progress
** Changed in: linux-oem-5.13 (Ubuntu)
Status: In Progress => Invalid
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Importance: Undecided => High
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Assignee: (unassigned) => You-Sheng Yang (vicamo)
** Changed in: linux-oem-5.13 (Ubuntu)
Assignee: You-Sheng Yang (vicamo) => (unassigned)
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => Won't Fix
** Changed in: linux (Ubuntu)
Status: New => In Progress
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => You-Sheng Yang (vicamo)
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1933617
Title:
[ADL-S] Broken PMU hardware detected, using software events only.
Status in HWE Next:
In Progress
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-5.13 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.13 source package in Focal:
In Progress
Bug description:
[Summary]
Broken PMU hardware detected, using software events on
log
04 16:04:26 u-Inspiron kernel: Broken PMU hardware detected, using software
events only.
04 16:04:26 u-Inspiron kernel: Failed to access perfctr msr (MSR 18e is
ffffffffffffffff)
04 16:04:26 u-Inspiron kernel: rcu: Hierarchical SRCU implementation.
04 16:04:26 u-Inspiron kernel: NMI watchdog: Perf NMI watchdog permanently
disabled
04 16:04:26 u-Inspiron kernel: smp: Bringing up secondary CPUs ...
04 16:04:26 u-Inspiron kernel: x86: Booting SMP configuration:
[Reproduce Steps]
1. Boot to Ubuntu with 5.13 kernel
2. Intel PMU driver report Broken HW detected
3. journalctl -k
[Results]
Expected: PMU hardware works normally
Actual: PMU borken hardware detected
--
Upstream bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=213443
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