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.
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