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

Antonio M. Huete Jimenez via Redmine bugtracker-admin at leaf.dragonflybsd.org
Mon Jan 16 12:20:33 PST 2012

Issue #2249 has been updated by Antonio M. Huete Jimenez.

Status changed from New to In Progress

Rumko, Jan,

Matt pushed a fix for this, I'm about to try it myself in my main box.

Commit is 55b50bd522537a7b4e0810aa4cab05ad355d1381

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

Author: Rumko Rumko
Status: In Progress
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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