stacked unionfs freeze and crash FreeBSD
Andriy Gapon
avg at icyb.net.ua
Wed Jan 20 17:17:05 UTC 2010
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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