[DragonFlyBSD - Bug #2249] (Resolved) deadlock under high i/o load (e.g. hammer reblock)

Rumko Rumko via Redmine bugtracker-admin at leaf.dragonflybsd.org
Thu Jan 26 23:22:20 PST 2012

Issue #2249 has been updated by Rumko Rumko.

Status changed from In Progress to Resolved

The fix seems to do it's job, cannot get it to deadlock again
Bug #2249: deadlock under high i/o load (e.g. hammer reblock)

Author: Rumko Rumko
Status: Resolved
Priority: Normal
Target version: 

Almost latest master (last commit from upstream should be

Whenever nightly cron runs and a few minutes after hammer cleanup starts doing
it's job, the machine becomes mostly unresponsive (most processes and most ssh
connections stop responding, but strangely pf still continues doing it's job).

Fortunately debugging through serial console still worked, so the dump is
available at leaf:~rumko/crash/deadlock/*.0 .
Please do not CC me, since I already receive everything from these MLs.


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