[DragonFlyBSD - Bug #2296] panic: assertion "m->wire_count > 0" failed

Thomas Nikolajsen via Redmine bugtracker-admin at leaf.dragonflybsd.org
Sat Feb 18 09:14:36 PST 2012

Issue #2296 has been updated by Thomas Nikolajsen.

Did some more tests, reducing number of used CPUs and/or parallel jobs,
didn't get any crash from 3-4 runs of each: i386:
 - on 8 cpu system: 'make MAKE_JOBS=5 release'
 - using 4 cpu: (hw.ap_max=3): 'make MAKE_JOBS=10 release'

Looking at build logs: panic reported earlier happened during
build of git (scmgit), or some dependency.

My setup uses NFS for /usr/src and /usr/pkgsrc,
and HAMMER for the rest (e.g. /usr/release).
(don't know if NFS use is important for triggering panic)
Bug #2296: panic: assertion "m->wire_count > 0" failed

Author: Thomas Nikolajsen
Status: New
Priority: High
Target version: 

With recent (29/1-12) master and rel3_0 I get this panic
during parallel make release and buildworld, e.g.:
'make MAKE_JOBS=10 release' (i.e. make -j10)
(custom kernel, includes INCLUDE_CONFIG_FILE)
on 8 core host (opteron).

Got this panic twice; succeeds w/o MAKE_JOBS

Core dump at leaf: ~thomas:crash/octopus.i386.3

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