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SubjectRe: recursive locking (coredump/vfs_write)
On Fri 22-11-13 23:52:18, Al Viro wrote:
> On Fri, Nov 22, 2013 at 10:11:56PM +0100, Jan Kara wrote:
> > Hi,
> >
> > On Wed 13-11-13 16:11:47, Dave Jones wrote:
> > > here's another one..
> > >
> > >
> > > =============================================
> > > [ INFO: possible recursive locking detected ]
> > > 3.12.0+ #2 Not tainted
> > > ---------------------------------------------
> > > trinity-child3/13302 is trying to acquire lock:
> > > (sb_writers#5){.+.+.+}, at: [<ffffffff811b7013>] vfs_write+0x173/0x1f0
> > >
> > > but task is already holding lock:
> > > (sb_writers#5){.+.+.+}, at: [<ffffffff8122006d>] do_coredump+0xf1d/0x1070
> > Thanks for report. Attached patch should fix this. Al, can you please
> > merge it?
>
> No. It's already fixed in mainline by commit 52da40.
Ah, right. After pull I can see that change. Sorry for the noise.

Honza
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR


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