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 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html