Date: Mon, 03 May 2010 12:55:57 -0700 From: Mark Atkinson <atkin901@gmail.com> To: freebsd-current@freebsd.org Subject: Re: SUJ deadlock Message-ID: <4BDF2A4D.3030706@gmail.com> In-Reply-To: <B9090D36-D0E7-48D9-9FE2-FD0C7A486AC3@netasq.com> References: <B9090D36-D0E7-48D9-9FE2-FD0C7A486AC3@netasq.com>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 05/03/10 12:38, Fabien Thomas wrote: > 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. I've also seen it stalled in suspfs, but this information is way better than what I was able to garner. I was only able to tell via ctrl-t on a stalled 'ls' process in a terminal before hard booting. Right now it occurs everytime I attempt to do the portmaster -a upgrade of X/KDE on this system. > 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_______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkvfKk0ACgkQrDN5kXnx8yYpZgCeKRqenQbflLhoa3hVaXP7wICE 9KAAn2HEWuNwgI9EUxA5BYMR6DD0NBgi =bhDN -----END PGP SIGNATURE-----
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