Hi Jeff,
I'm with r207548 now and since some days i've system deadlock.
It seems related to SUJ with process waiting on suspfs or ppwait.
The backtrace is the following:
(kgdb) bt
#0 sched_switch (td=0xc52d84c0, newtd=0xc4d88980, flags=260) at
/usr/home/fabient/fabient-sandbox/sys/kern/sched_ule.c:1853
#1 0xc0a2838e in mi_switch (flags=260, newtd=0x0) at
/usr/home/fabient/fabient-sandbox/sys/kern/kern_synch.c:449
#2 0xc0a62a25 in sleepq_switch (wchan=0xc5389cf0, pri=159)
at /usr/home/fabient/fabient-sandbox/sys/kern/subr_sleepqueue.c:530
#3 0xc0a62c6c in sleepq_wait (wchan=0xc5389cf0, pri=159) at
/usr/home/fabient/fabient-sandbox/sys/kern/subr_sleepqueue.c:609
#4 0xc0a27aec in _sleep (ident=0xc5389cf0, lock=0xc5389ca8, priority=159,
wmesg=0xc0f5c302 "suspfs", timo=0)
at /usr/home/fabient/fabient-sandbox/sys/kern/kern_synch.c:234
#5 0xc0ae2e62 in vn_start_write (vp=0xc66bdcc0, mpp=0xce79bb6c, flags=1)
at /usr/home/fabient/fabient-sandbox/sys/kern/vfs_vnops.c:998
#6 0xc0ae1476 in vn_close (vp=0xc66bdcc0, flags=1, file_cred=0xc577f400,
td=0xc52d84c0)
at /usr/home/fabient/fabient-sandbox/sys/kern/vfs_vnops.c:299
#7 0xc0ae2cc6 in vn_closefile (fp=0xc7bcd460, td=0xc52d84c0) at
/usr/home/fabient/fabient-sandbox/sys/kern/vfs_vnops.c:941
#8 0xc09d7e5e in fo_close (fp=0xc7bcd460, td=0xc52d84c0) at file.h:270
#9 0xc09d7ddc in _fdrop (fp=0xc7bcd460, td=0xc52d84c0) at
/usr/home/fabient/fabient-sandbox/sys/kern/kern_descrip.c:2348
#10 0xc09d775b in closef (fp=0xc7bcd460, td=0xc52d84c0) at
/usr/home/fabient/fabient-sandbox/sys/kern/kern_descrip.c:2117
#11 0xc09d526a in kern_close (td=0xc52d84c0, fd=3) at
/usr/home/fabient/fabient-sandbox/sys/kern/kern_descrip.c:1162
#12 0xc09d50ea in close (td=0xc52d84c0, uap=0xce79bcf0) at
/usr/home/fabient/fabient-sandbox/sys/kern/kern_descrip.c:1114
#13 0xc0e5816b in syscall (frame=0xce79bd38) at
/usr/home/fabient/fabient-sandbox/sys/i386/i386/trap.c:1116
#14 0xc0e302e0 in Xint0x80_syscall () at
/usr/home/fabient/fabient-sandbox/sys/i386/i386/exception.s:261
If you need more information tell me.
Fabien_______________________________________________
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