Date: Wed, 18 Dec 2002 20:34:18 -0500 From: Craig Rodrigues <rodrigc@attbi.com> To: freebsd-current@freebsd.org Cc: phk@freebsd.org Subject: GEOM panic Message-ID: <20021218203418.A550@attbi.com>
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Hi,
I just did a cvsup and rebuilt my kernel, and now my kernel
panics upon bootup. I don't have a serial console, so I wrote
down the error messages that I saw:
I saw this one in the middle of some GEOM debug statements:
ar: FreeBSD check1 failed
Further along I saw:
Lock GEOM topology not exclusively locked @ /usr/src/sys/geom/geom_slice.c:303
Lock GEOM topology not exclusively locked @ /usr/src/sys/geom/geom_subr.c:176
Lock GEOM topology not exclusively locked @ /usr/src/sys/geom/geom_event.c:279
GEOM: configure da0s5, start 31744 length 63107072 end 6318815
Lock GEOM topology not exclusively locked @ /usr/src/sys/geom/geom_mbr.c:405
panic: Assertion sx->sx_cnt == -1 failed at /usr/src/sys/kern/kern_sx.c:242
A stacktrace in ddb shows:
panic()
_sx_unlock()
gc_mbrext_taste
g_do_event()
one_event()
g_run_events()
g_event_procbody()
fork_exit()
fork_trampoline()
The versions of some of the GEOM files in question:
$FreeBSD: src/sys/geom/geom_slice.c,v 1.32 2002/12/17 21:31:58 phk Exp $
$FreeBSD: src/sys/geom/geom_subr.c,v 1.24 2002/12/16 22:33:27 phk Exp $
$FreeBSD: src/sys/geom/geom_event.c,v 1.15 2002/11/04 09:31:02 phk Exp $
$FreeBSD: src/sys/geom/geom_mbr.c,v 1.28 2002/12/17 09:44:10 phk Exp $
--
Craig Rodrigues
http://www.gis.net/~craigr
rodrigc@attbi.com
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