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From: Jan Kara <jack@suse.cz>
To: Albert Strasheim <fullung@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-fsdevel@vger.kernel.org,
	bugzilla-daemon@bugzilla.kernel.org,
	bugme-daemon@bugzilla.kernel.org
Subject: Re: [Bugme-new] [Bug 32312] New: Race condition in umount
Date: Wed, 27 Apr 2011 13:52:12 +0200	[thread overview]
Message-ID: <20110427115212.GB20373@quack.suse.cz> (raw)
In-Reply-To: <BANLkTi==e7r+K6THP1X8=ReL_TCcVh+_Sg@mail.gmail.com>

  Hi,

On Tue 26-04-11 14:37:56, Albert Strasheim wrote:
> I was wondering if anyone has had a chance to review this issue?
  I had a look into this and it should be fixed in 2.6.39-rc1. In
particular by commit 0aeea189.

								Honza
> On Thu, Mar 31, 2011 at 8:36 PM, Andrew Morton
> <akpm@linux-foundation.org> wrote:
> >
> > (switched to email.  Please respond via emailed reply-to-all, not via the
> > bugzilla web interface).
> >
> > On Thu, 31 Mar 2011 04:54:52 GMT
> > bugzilla-daemon@bugzilla.kernel.org wrote:
> >
> >> https://bugzilla.kernel.org/show_bug.cgi?id=32312
> >>
> >>            Summary: Race condition in umount
> >>            Product: File System
> >>            Version: 2.5
> >>           Platform: All
> >>         OS/Version: Linux
> >>               Tree: Mainline
> >>             Status: NEW
> >>           Severity: normal
> >>           Priority: P1
> >>          Component: VFS
> >>         AssignedTo: fs_vfs@kernel-bugs.osdl.org
> >>         ReportedBy: fullung@gmail.com
> >>         Regression: No
> >>
> >>
> >> The Red Hat folks suggested reporting this bug here:
> >>
> >> https://bugzilla.redhat.com/show_bug.cgi?id=683836
> >>
> >> In summary, doing many umounts in parallel causes some umounts to fail and if
> >> the mount/parallel umount cycle is repeated a few times, bad stuff happens
> >> inside the kernel.
> >>
> >> Reproduced with 2.6.38.*.
> >>
> >
> >
> --
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-- 
Jan Kara <jack@suse.cz>
SUSE Labs, CR
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      reply	other threads:[~2011-04-27 11:52 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-32312-10286@https.bugzilla.kernel.org/>
2011-03-31 18:36 ` [Bugme-new] [Bug 32312] New: Race condition in umount Andrew Morton
2011-04-26 12:37   ` Albert Strasheim
2011-04-27 11:52     ` Jan Kara [this message]

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