lkml.org 
[lkml]   [2019]   [Nov]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: linux-next boot error: WARNING: workqueue cpumask: online intersect > possible intersect
On Wed, Jul 24, 2019 at 7:43 PM Tejun Heo <tj@kernel.org> wrote:
>
> On Wed, Jul 24, 2019 at 10:41:29AM -0700, Eric Biggers wrote:
> > The real boot error "general protection fault in dma_direct_max_mapping_size" is
> > fixed in mainline now. I believe that unblocks syzbot testing, since it doesn't
> > appear to have been blocked by "WARNING: workqueue cpumask: online intersect >
> > possible intersect" by itself.
> >
> > Anyway: Tejun and Michael, any other ideas for why "WARNING: workqueue cpumask:
> > online intersect > possible intersect" is still happening?
>
> That code hasn't changed in years. It gotta be changes in cpumask
> initialization ordering or sth like that. The easiest way to find the
> culprit would be bisecting. I can't get to it right now. Anyone
> interested?

syzkaller will now ignore this warning as it happens on every boot and
masks all other boot problems:
https://github.com/google/syzkaller/commit/31b7aac4626757ae0862971db78aaa1338541227
syzbot will never remind about this again:
#syz invalid

\
 
 \ /
  Last update: 2019-11-08 13:49    [W:0.033 / U:1.616 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site