spin lock smp rendezvous held by 0xffffff01250a7980 for > 5 seconds

Kris Kennaway kris at obsecurity.org
Thu Nov 24 23:26:18 GMT 2005

I got this on a quad amd64 machine running 6.0-STABLE.  At the time it
was running 21 simultaneous tar extractions onto a sync-mounted md.

panic() at panic+0x1e6
_mtx_lock_spin() at _mtx_lock_spin+0xad
pmap_invalidate_range() at pmap_invalidate_range+0xb3
pmap_qremove() at pmap_qremove+0x53
vfs_vmio_release() at vfs_vmio_release+0x1e0
getnewbuf() at getnewbuf+0x368
getblk() at getblk+0x3d9
ffs_balloc_ufs1() at ffs_balloc_ufs1+0x662
ffs_write() at ffs_write+0x31b
vn_write() at vn_write+0x228
dofilewrite() at dofilewrite+0x90
kern_writev() at kern_writev+0x54
write() at write+0x4b

Unfortunately I can't dump on this machine (and no debugging is
currently enabled), but I can try to reproduce it.


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