Re: dad4f140ed ("Merge branch 'xarray' of .."): Mem-Info:

From: Philip Li
Date: Sat Nov 24 2018 - 04:06:58 EST


On Fri, Nov 23, 2018 at 07:58:03PM -0800, Matthew Wilcox wrote:
> On Sat, Nov 24, 2018 at 09:20:38AM +0800, kernel test robot wrote:
> > Greetings,
> >
> > 0day kernel testing robot got the below dmesg and the first bad commit is
> >
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> >
> > commit dad4f140edaa3f6bb452b6913d41af1ffd672e45
>
> I think you've got the wrong bisection point, confused by other messages.
> Here's the messages I think you intend to chase:
>
> [ 155.389297] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck
> for 52s!
> [ 155.409004] BUG: workqueue lockup - pool cpus=0 flags=0x4 nice=0 stuck for 40
> s!
> [ 155.420377] Showing busy workqueues and worker pools:
> [ 155.428445] workqueue events: flags=0x0
> [ 155.434634] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256
> [ 155.437904] pending: cache_reap
> [ 155.449671] workqueue events_power_efficient: flags=0x82
> [ 155.458000] pwq 2: cpus=0 flags=0x4 nice=0 active=3/256
> [ 155.461269] pending: neigh_periodic_work, do_cache_clean, check_lifetime
>
>
> but you're getting hung up on the testsuite problems.
thanks for pointing out this. Kindly ignore this report, which is false positive.

>
>