[ADL-S] Broken PMU hardware detected, using software events only.
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
High
|
You-Sheng Yang | ||
Focal |
Won't Fix
|
Undecided
|
Unassigned | ||
linux-oem-5.13 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
High
|
You-Sheng Yang |
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:/
tags: | added: originate-from-1931993 |
Changed in hwe-next: | |
status: | New → Won't Fix |
Changed in linux-oem-5.13 (Ubuntu Focal): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu): | |
status: | In Progress → Fix Released |
Changed in hwe-next: | |
status: | In Progress → Fix Released |
Proposed fix: https:/ /lore<email address hidden>/