[DragonFlyBSD - Bug #651] (Closed) system semi-freezes on mbuf cluster limit

Peter Avalos via Redmine bugtracker-admin at leaf.dragonflybsd.org
Wed Dec 28 15:27:40 PST 2011

Issue #651 has been updated by Peter Avalos.

Description updated
Status changed from New to Closed
Assignee deleted (0)

Bug #651: system semi-freezes on mbuf cluster limit

Author: Simon 'corecode' Schubert
Status: Closed
Priority: High
Target version: 

I just experienced a nasty situation:  I ran out of mbuf clusters (6656) and ppp was one of the processes stuck in objcache_get.

even after some clusters drained (from netstat -m output), the objcache depot didn't get free entries back and ppp stayed stuck.  and of course because of this no mbuf clusters were freed (ppp would have to transmit them, i guess).  I was doing some serious down/uploading at the moment.

this should not happen, or at least more gracefully.


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