linux-kernel - Re: exit_aio() hang after I/O failure

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Message-ID: <x49ipk2bdkn.fsf@segfault.boston.devel.redhat.com>
Date:	Mon, 23 Jan 2012 11:15:04 -0500
From:	Jeff Moyer <jmoyer@...hat.com>
To:	Bart Van Assche <bvanassche@....org>
Cc:	Jens Axboe <axboe@...nel.dk>, Tejun Heo <htejun@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: exit_aio() hang after I/O failure

Bart Van Assche <bvanassche@....org> writes:

> Hi,
>
> Apparently processes can hang in exit_aio() with at least kernel 3.2.1
> after an I/O failure. Has anyone seen this before ?
>
> This occurred after a SCSI device had been removed entirely (and hence
> after all I/O requests were killed by scsi_remove_host()).

Fixed here:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=69e4747ee9727d660b88d7e1efe0f4afcb35db1b

Cheers,
Jeff
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