Re: [lkp-developer] [mm, memcg] d18e2b2aca: WARNING:at_mm/memcontrol.c:#mem_cgroup_update_lru_size

On Mon 26-12-16 13:26:51, Michal Hocko wrote:

On Mon 26-12-16 06:25:56, kernel test robot wrote:

[...]

quoted

[   95.226364] init: tty6 main process (990) killed by TERM signal
[   95.314020] init: plymouth-upstart-bridge main process (1039) terminated with status 1
[   97.588568] ------------[ cut here ]------------
[   97.594364] WARNING: CPU: 0 PID: 1055 at mm/memcontrol.c:1032 mem_cgroup_update_lru_size+0xdd/0x12b
[   97.606654] mem_cgroup_update_lru_size(40297f00, 0, -1): lru_size 1 but empty
[   97.615140] Modules linked in:
[   97.618834] CPU: 0 PID: 1055 Comm: killall5 Not tainted 4.9.0-mm1-00095-gd18e2b2 #82
[   97.628008] Call Trace:
[   97.631025]  dump_stack+0x16/0x18
[   97.635107]  __warn+0xaf/0xc6
[   97.638729]  ? mem_cgroup_update_lru_size+0xdd/0x12b

Do you have the full backtrace?

It's not needed. I found the bug in my patch and it should be fixed by
the updated patch http://lkml.kernel.org/r/20161226124839.GB20715@dhcp22.suse.cz
-- 
Michal Hocko
SUSE Labs

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