Messages in this thread | | | From | Jeff Moyer <> | Subject | Re: exit_aio() hang after I/O failure | Date | Mon, 13 Feb 2012 09:11:43 -0500 |
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Bart Van Assche <bvanassche@acm.org> writes:
> On Mon, Jan 23, 2012 at 4:47 PM, Bart Van Assche <bvanassche@acm.org> wrote: >> On Mon, Jan 23, 2012 at 4:15 PM, Jeff Moyer <jmoyer@redhat.com> wrote: >> > Bart Van Assche <bvanassche@acm.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
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