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Date: Mon, 26 Dec 2016 13:50:55 +0100 From: Michal Hocko <mhocko@...nel.org> To: kernel test robot <xiaolong.ye@...el.com> Cc: Nils Holland <nholland@...ys.org>, Mel Gorman <mgorman@...e.de>, Johannes Weiner <hannes@...xchg.org>, Vladimir Davydov <vdavydov.dev@...il.com>, Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>, linux-kernel@...r.kernel.org, linux-mm@...ck.org, Chris Mason <clm@...com>, David Sterba <dsterba@...e.cz>, linux-btrfs@...r.kernel.org, lkp@...org Subject: 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: [...] > > [ 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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