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Date: Thu, 31 May 2012 12:56:42 +0200 From: Jens Axboe <jaxboe@...ionio.com> To: Eric Dumazet <eric.dumazet@...il.com> CC: Linus Torvalds <torvalds@...ux-foundation.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Tejun Heo <tj@...nel.org>, Alan Cox <alan@...ux.intel.com>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [PATCH] block: avoid infinite loop in get_task_io_context() 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 -- 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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