Re: mm, vmstat: kernel BUG at mm/vmstat.c:1408!

[Shiraz Hashim]

On Wed, Jan 13, 2016 at 5:06 PM, Shiraz Hashim
<shiraz.linux.kernel@xxxxxxxxx> wrote:
>
> Can you please give it a try, seems it is reproducing easily at your end.
>

Ahh!, it cannot be done as it is called with preemption disabled.

[    8.131226] Process swapper/4 (pid: 0, stack limit = 0xffffffc06fc18058)
[    8.137908] Call trace:
[    8.140344] [<ffffffc0000c19cc>] __might_sleep+0x15c/0x16c
[    8.145812] [<ffffffc0000b3d64>] flush_work+0x3c/0x190
[    8.150933] [<ffffffc0000b4450>] __cancel_work_timer+0x138/0x1e4
[    8.156922] [<ffffffc0000b45a8>] cancel_delayed_work_sync+0xc/0x18
[    8.163087] [<ffffffc0001782dc>] quiet_vmstat+0x3c/0x60
[    8.168294] [<ffffffc0000dd2f0>] cpu_startup_entry+0x2c/0x330
[    8.174024] [<ffffffc000090b24>] secondary_start_kernel+0x124/0x134

-- 
regards
Shiraz Hashim