From: Jens Axboe <jaxboe@fusionio.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Tejun Heo <tj@kernel.org>, Alan Cox <alan@linux.intel.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] block: avoid infinite loop in get_task_io_context()
Date: Thu, 31 May 2012 12:56:42 +0200 [thread overview]
Message-ID: <4FC74E6A.3030606@fusionio.com> (raw)
In-Reply-To: <1338461516.2760.1333.camel@edumazet-glaptop>
On 05/31/2012 12:51 PM, Eric Dumazet wrote:
> On Thu, 2012-05-31 at 12:47 +0200, Jens Axboe wrote:
>> BUG: soft lockup - CPU#3 stuck for 22s ! [mountall.1603]
>>
>> Eric, do you have a task trace to go with this lockup, where task !=
>> current?
>>
>> In any case, it is a legit bug fix. I have applied it.
>>
>
> Unfortunately I couldn't get netconsole working at this stage...
>
> syscall was sys_ioprio_set()
That's good enough, then it all makes sense. I guess we could be
checking PF_EXITING earlier, but I think the patch is fine as-is.
--
Jens Axboe
next prev parent reply other threads:[~2012-05-31 10:57 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-30 12:54 [GIT PULL] Block driver bits for 3.5 Jens Axboe
2012-05-30 18:33 ` Eric Dumazet
2012-05-30 18:55 ` Jens Axboe
2012-05-30 19:08 ` Eric Dumazet
2012-05-30 19:17 ` Jens Axboe
2012-05-30 20:35 ` Eric Dumazet
2012-05-30 20:58 ` Linus Torvalds
2012-05-31 9:35 ` [PATCH] tty: add lockdep annotations Eric Dumazet
2012-05-31 11:45 ` Jiri Kosina
2012-05-31 11:59 ` Eric Dumazet
2012-06-01 18:17 ` Eric Dumazet
2012-06-01 18:51 ` Linus Torvalds
2012-06-01 20:38 ` Alan Cox
2012-06-01 20:46 ` Eric Dumazet
2012-06-01 20:44 ` Eric Dumazet
2012-06-01 20:56 ` Alan Cox
2012-06-01 20:59 ` Eric Dumazet
2012-06-02 7:17 ` Eric Dumazet
2012-06-02 7:55 ` Eric Dumazet
2012-06-02 8:01 ` Eric Dumazet
2012-06-02 11:57 ` Alan Cox
2012-06-02 12:30 ` Eric Dumazet
2012-06-02 18:38 ` Linus Torvalds
2012-06-02 19:59 ` Linus Torvalds
2012-06-02 20:01 ` Linus Torvalds
2012-06-02 20:19 ` Alan Cox
2012-06-02 22:25 ` Linus Torvalds
2012-06-02 23:02 ` Alan Cox
2012-06-02 23:14 ` Linus Torvalds
2012-06-03 1:37 ` Linus Torvalds
2012-06-03 13:06 ` Alan Cox
2012-06-03 13:24 ` Alan Cox
2012-06-03 19:44 ` Eric Dumazet
2012-06-02 20:00 ` Alan Cox
2012-05-31 10:38 ` [PATCH] block: avoid infinite loop in get_task_io_context() Eric Dumazet
2012-05-31 10:47 ` Jens Axboe
2012-05-31 10:51 ` Eric Dumazet
2012-05-31 10:56 ` Jens Axboe [this message]
2012-06-01 5:06 ` Tejun Heo
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