On Wed, Jan 21, 2015 at 12:38:35PM +0800, Huang Ying wrote:
FYI, we noticed the below changes on
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
commit d2dc80750ee05ceb03c9b13b0531a782116d1ade ("mm/slub: optimize alloc/free
fastpath by removing preemption on/off")
+-------------------------------------------------------------+------------+------------+
| | 8e32336269 | d2dc80750e
|
+-------------------------------------------------------------+------------+------------+
| boot_successes | 8 | 4
|
| boot_failures | 2 | 16
|
| WARNING:at_net/netlink/genetlink.c:#genl_unbind() | 2 | 5
|
| backtrace:do_group_exit | 2 | 5
|
| backtrace:SyS_exit_group | 2 | 5
|
| BUG:using_smp_processor_id()in_preemptible[#]code:swapper | 0 | 6
|
| backtrace:getname_kernel | 0 | 6
|
| backtrace:run_init_process | 0 | 6
|
| backtrace:do_execve | 0 | 6
|
| BUG:using_smp_processor_id()in_preemptible[#]code:init | 0 | 1
|
| backtrace:vfs_stat | 0 | 1
|
| backtrace:SyS_stat64 | 0 | 1
|
| BUG:using_smp_processor_id()in_preemptible[#]code:kdevtmpfs | 0 | 5
|
| backtrace:devtmpfsd | 0 | 5
|
| backtrace:security_inode_alloc | 0 | 5
|
| backtrace:inode_init_always | 0 | 5
|
+-------------------------------------------------------------+------------+------------+
Hello,
I already sent the patch to fix the problem.
https://lkml.org/lkml/2015/1/19/17
Thanks for reporting.
Thanks.