r291494 PANIC mtx_lock() of spin mutex @ /usr/src/sys/kern/vfs_subr.c:512

[Michael Jung]

Since upgrading to r291494 from r290716 my system reliably panics when 
running poudriere.

Dump header from device: /dev/da2p1
   Architecture: amd64
   Architecture Version: 2
   Dump Length: 4301131776
   Blocksize: 512
   Dumptime: Wed Dec  2 12:10:06 2015
   Hostname: bsd11
   Magic: FreeBSD Kernel Dump
   Version String: FreeBSD 11.0-CURRENT #9 r291494: Mon Nov 30 13:21:08 
EST 2015
     mikej at bsd11:/usr/obj/usr/src/sys/GENERIC
   Panic String: mtx_lock() of spin mutex  @ 
/usr/src/sys/kern/vfs_subr.c:512
   Dump Parity: 2232113789
   Bounds: 1
   Dump Status: good



https://charon.gopai.com/crash/info.1

https://charon.gppai.com/crash/core.txt.1

https://charon.gopai.com/crash/vmcore.1

I could not find a reference to this panic.

Regards,

--mikej