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

Thomas Nikolajsen via Redmine bugtracker-admin at leaf.dragonflybsd.org
Mon Feb 20 23:33:22 PST 2012

Issue #2296 has been updated by Thomas Nikolajsen.

Note: on v3.0.1 i386 system building dfly v3.0.1
(which I understand we are going to release)
once (to install on UP stable system here)
caused this panic during buildworld.

This was on 8 core system using my usual params,
-j10, did new build using -j4, which succeded.

This is somewhat ironic, but just what should be expected from earlier observations on this bug.

If we release v3.0.1 we might consider not supporting
i386 w/ more than 4 cores, until this bug is resolved.
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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