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Message-ID: <x49lio6yg9s.fsf@segfault.boston.devel.redhat.com> Date: Mon, 13 Feb 2012 09:11:43 -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: > On Mon, Jan 23, 2012 at 4:47 PM, Bart Van Assche <bvanassche@....org> wrote: >> On Mon, Jan 23, 2012 at 4:15 PM, Jeff Moyer <jmoyer@...hat.com> wrote: >> > Bart Van Assche <bvanassche@....org> writes: >> > > 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 >> >> Thanks a lot for the feedback - I'll give this patch a try. > > Bad news: I've been able to reproduce exactly the same call stack with > kernel 3.2.5. That kernel version includes the aforementioned commit. OK, thanks for testing. I'll try to reproduce this. Cheers, Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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