Public bug reported: [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 ** Affects: hwe-next Importance: Undecided Status: New ** Affects: linux-oem-5.13 (Ubuntu) Importance: Undecided Assignee: You-Sheng Yang (vicamo) Status: New ** Affects: linux-oem-5.13 (Ubuntu Focal) Importance: Undecided Status: New ** Tags: ihv-intel oem-priority originate-from-1930885 somerville ** Attachment added: "dmesg.5.13.0-1003-oem.TROY-MTE-EVT-C1.txt" https://bugs.launchpad.net/bugs/1933617/+attachment/5506932/+files/dmesg.5.13.0-1003-oem.TROY-MTE-EVT-C1.txt ** Also affects: linux-oem-5.13 (Ubuntu Focal) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1933617 Title: [ADL-S] Broken PMU hardware detected, using software events only. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1933617/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
