Hi lkp team
Thank you for testing.
At 03/16/2018 07:17 PM, kernel test robot wrote:
FYI, we noticed the following commit (built with gcc-7):
commit: d619c81e246424e322f7a902bed6e60b90668d56 ("ACPI / processor: Get accurate
possible CPU count")
url:
https://github.com/0day-ci/linux/commits/Dou-Liyang/ACPI-processor-Get-accurate-possible-CPU-count/20180316-140349
in testcase: boot
on test machine: qemu-system-x86_64 -enable-kvm -cpu host -smp 2 -m 1G
caused below changes (please refer to attached dmesg/kmsg for entire
log/backtrace):
+------------------------------------------------------+------------+------------+
| | 3266b5bd97 |
d619c81e24 |
+------------------------------------------------------+------------+------------+
| boot_successes | 16 | 2
|
| boot_failures | 0 | 18
|
| WARNING:at_include/linux/cpumask.h:#cpumask_test_cpu | 0 | 18
|
| WARNING:at_include/linux/cpumask.h:#cpumask_check | 0 | 18
|
| RIP:cpumask_check | 0 | 18
|
| RIP:cpumask_test_cpu | 0 | 18
|
| general_protection_fault:#[##] | 0 | 13
|
| RIP:__lock_acquire | 0 | 13
|
| Kernel_panic-not_syncing:Fatal_exception | 0 | 13
|
| BUG:kernel_hang_in_boot_stage | 0 | 5
|
+------------------------------------------------------+------------+------------+
[ 0.830741] WARNING: CPU: 1 PID: 1 at include/linux/cpumask.h:122
cpumask_test_cpu+0x32/0x57
[ 0.830785] WARNING: CPU: 1 PID: 1 at include/linux/cpumask.h:122
cpumask_check+0x2d/0x48
Yes, this patch broke the number of CPUs, we will find out a new way,
please drop the test work of this patch.
Thanks,
dou
