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Subject: Re: 2.6.23-mm1
From: Dave Hansen <haveblue@us.ibm.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Gabriel C <nix.or.die@googlemail.com>, linux-kernel@vger.kernel.org
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Date: Mon, 15 Oct 2007 09:28:02 -0700
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On Sat, 2007-10-13 at 11:01 -0700, Andrew Morton wrote:
> > I only have a WARNING in my dmesg but i don't think this is related to this :
> > 
> > Oct 13 01:44:52 lara [10722.146448] WARNING: at fs/namespace.c:586 __mntput()
> > Oct 13 01:44:52 lara [10722.146478]  [<c0167cb2>] mntput_no_expire+0x5d/0xab
> > Oct 13 01:44:52 lara [10722.146503]  [<c01683d1>] sys_umount+0x1f8/0x202
> > Oct 13 01:44:52 lara [10722.146511]  [<c010f368>] check_pgt_cache+0x13/0x15
> > Oct 13 01:44:52 lara [10722.146529]  [<c0158cd0>] sys_stat64+0xf/0x23
> > Oct 13 01:44:52 lara [10722.146549]  [<c0147a9c>] remove_vma+0x31/0x36
> > Oct 13 01:44:52 lara [10722.146574]  [<c010fbf6>] do_page_fault+0x180/0x4ea
> > Oct 13 01:44:52 lara [10722.146600]  [<c01683e6>] sys_oldumount+0xb/0xe
> > Oct 13 01:44:52 lara [10722.146614]  [<c010258e>] sysenter_past_esp+0x5f/0x85
> > Oct 13 01:44:52 lara [10722.146639]  [<c02e0000>] xfrm_tmpl_resolve+0x2bd/0x37b
> > Oct 13 01:44:52 lara [10722.146656]  =======================
> 
> I guess that's the r-o-bind-mounts stuff. 

Do you know any more about when this happened?  Was it during a reboot,
or after you unmounted some device or volume?  Have you seen it again?
Which filesystem(s) do you use?

-- Dave