Date: Wed, 20 Jan 2010 19:16:59 +0200 From: Andriy Gapon <avg@icyb.net.ua> To: David Naylor <naylor.b.david@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: stacked unionfs freeze and crash FreeBSD Message-ID: <4B573A8B.8080306@icyb.net.ua> In-Reply-To: <201001201834.48466.naylor.b.david@gmail.com> References: <201001201543.15818.naylor.b.david@gmail.com> <20100120162821.3f53af6a@ernst.jennejohn.org> <201001201805.57798.naylor.b.david@gmail.com> <201001201834.48466.naylor.b.david@gmail.com>
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on 20/01/2010 18:34 David Naylor said the following: > > Here it is. If anyone ones the full core.txt just shout. > > #0 doadump () at pcpu.h:223 > 223 pcpu.h: No such file or directory. > in pcpu.h > (kgdb) #0 doadump () at pcpu.h:223 > #1 0xffffffff80589ba9 in boot (howto=260) > at /usr/src/sys/kern/kern_shutdown.c:416 > #2 0xffffffff80589fdc in panic (fmt=0xffffffff8098bd81 "double fault") > at /usr/src/sys/kern/kern_shutdown.c:579 > #3 0xffffffff8086e546 in dblfault_handler (frame=Variable "frame" is not > available.) > at /usr/src/sys/amd64/amd64/trap.c:884 > #4 0xffffffff808557fc in Xdblfault () > at /usr/src/sys/amd64/amd64/exception.S:278 > #5 0xffffffff81e464c1 in unionfs_statfs (mp=Variable "mp" is not available.) > at /usr/src/sys/modules/unionfs/../../fs/unionfs/union_vfsops.c:428 > Previous frame inner to this frame (corrupt stack?) > (kgdb) Double-fault could indicate stack overflow. -- Andriy Gapon
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