lkml.org 
[lkml]   [2018]   [Feb]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: INFO: task hung in sync_blockdev
> > It seems multiple processes deadlocked on the bd_mutex. 
> > Unfortunately there's no backtrace for the lock acquisitions,
> > so it's hard to see the exact sequence.
>
> Well, all in the report points to a situation where some IO was submitted
> to the block device and never completed (more exactly it took longer than
> those 120s to complete that IO). It would need more digging into the

Are you sure? I didn't think outstanding IO would take bd_mutex.

-Andi

\
 
 \ /
  Last update: 2018-02-08 15:50    [W:0.107 / U:1.408 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site