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Date: Thu, 06 Apr 2006 18:24:05 +0900
From: Daichi GOTO <daichi@freebsd.org>
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To: Kris Kennaway <kris@obsecurity.org>
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Cc: ozawa@ongs.co.jp, freebsd-hackers@freebsd.org,
	Daichi GOTO <daichi@freebsd.org>, freebsd-fs@freebsd.org,
	freebsd-current@freebsd.org, Alexander@Leidinger.net,
	Dario Freni <saturnero@freesbie.org>
Subject: Re: patchset-10 release (Re: [unionfs][patch] improvements of the
 unionfs - Problem Report, kern/91010)
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Kris Kennaway wrote:
> I get this panic with mount_unionfs -b:

We cannot get the same kernel panic error. Please give us
a how-to-repeat-the-same-problem in simple way.

> kdb_backtrace(ebf369e8,c056b59a,c06c905a,c06e297e,c72d7000) at kdb_backtrace+0x29
> vfs_badlock(c06c905a,c06e297e,c72d7000) at vfs_badlock+0x11
> assert_vop_locked(c72d7000,c06e297e,c72d7000,c06e297e) at assert_vop_locked+0x4a
> VOP_OPEN_APV(c0710da0,ebf36a28) at VOP_OPEN_APV+0x8e
> union_open(ebf36a78,ebf36b20,c74e0930,ebf36ae4,c04f884b) at union_open+0xe2
> VOP_OPEN_APV(c06f83a0,ebf36a78) at VOP_OPEN_APV+0x9b
> exec_check_permissions(ebf36b90,9,1,0,0) at exec_check_permissions+0xeb
> do_execve(c6658bd0,ebf36c60,0,ebf36c60,c6658bd0) at do_execve+0x18a
> kern_execve(c6658bd0,ebf36c60,0) at kern_execve+0x7c
> execve(c6658bd0,ebf36d04,c6bb5d38,c,c6658bd0) at execve+0x2f
> syscall(3b,3b,3b,bfbfe90c,0) at syscall+0x27e
> Xint0x80_syscall() at Xint0x80_syscall+0x1f
> --- syscall (59, FreeBSD ELF32, execve), eip = 0x280d3dfb, esp = 0xbfbfe35c, ebp = 0xbfbfe808 ---
> VOP_OPEN: 0xc72d7000 is not locked but should be
> 
> Kris

-- 
  Daichi GOTO, http://people.freebsd.org/~daichi