[linus:master] [perf/x86] 88ec7eedbb: kvm-unit-tests.pmu_lbr.fail

[kernel test robot]

Hello,

kernel test robot noticed "kvm-unit-tests.pmu_lbr.fail" on:

commit: 88ec7eedbbd21cad38707620ad6c48a4e9a87c18 ("perf/x86: Fix low freqency setting issue")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

[test failed on linus/master      0a87d6bb6fd274cde3bf217a821153714374198f]
[test failed on linux-next/master fefb886b1344e222b3218f3c0165b0fd770e8b88]

in testcase: kvm-unit-tests
version: kvm-unit-tests-x86_64-69574079-1_20250322
with following parameters:


config: x86_64-rhel-9.4-func
compiler: gcc-12
test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz (Haswell) with 8G memory

(please refer to attached dmesg/kmsg for entire log/backtrace)


If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202504071232.3c2fa7d5-lkp@xxxxxxxxx


...
PASS pmu (143 tests, 14 skipped)
FAIL pmu_lbr (2 tests, 1 unexpected failures)   <---
SKIP pmu_pebs (1 tests, 1 skipped)
...


one log is attached.


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20250407/202504071232.3c2fa7d5-lkp@xxxxxxxxx



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

timeout -k 1s --foreground 90s /usr/bin/qemu-system-x86_64 --no-reboot -nodefaults -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -machine accel=kvm -kernel x86/pmu_lbr.flat -smp 1 -cpu host,migratable=no # -initrd /tmp/tmp.1JDHego9zM
enabling apic
smp: waiting for 0 APs
paging enabled
cr0 = 80010011
cr3 = 1007000
cr4 = 20
PMU version:		 2
LBR version:		 4
PASS: The number of guest LBR entries is good.
FAIL: The guest LBR FROM_IP/TO_IP values are good.
SUMMARY: 2 tests, 1 unexpected failures