lkml.org 
[lkml]   [2018]   [Mar]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Regulator regression in next-20180305
On Tue, Mar 06, 2018 at 01:56:42PM -0300, Fabio Estevam wrote:
> On Tue, Mar 6, 2018 at 1:30 PM, Mark Brown <broonie@kernel.org> wrote:

> > - for (i = 0; rdev; rdev = rdev_get_supply(rdev), i++)
> > + for (i = 1000; rdev; rdev = rdev_get_supply(rdev), i++)
> > mutex_lock_nested(&rdev->mutex, i);

> With this change the log is a bit different, but still get a kernel hang:
> https://pastebin.com/eF08TnuT

Yeah, that's what I expected. What we really need to figure out I think
is what exactly is taking the lock that we end up colliding with, I
don't seem to be able to reproduce so I'm having to just go on staring
at the code here.
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2018-03-06 20:13    [W:0.071 / U:0.968 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site