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

Rumko Rumko via Redmine bugtracker-admin at leaf.dragonflybsd.org
Mon Nov 28 14:11:27 PST 2011

Issue #2249 has been reported by Rumko Rumko.

Bug #2249: deadlock under high i/o load (e.g. hammer reblock)

Author: Rumko Rumko
Status: New
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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