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SubjectRe: block: hung task writing to device
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On 07/08/2017 01:06 PM, Levin, Alexander (Sasha Levin) wrote:
> Hi all,
>
> syzkaller seems to be hitting a lockup with the reproducer below:
>
> INFO: task syzkaller490361:8788 blocked for more than 120 seconds.
> Not tainted 4.12.0-next-20170706+ #186
> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> syzkaller490361 D18312 8788 5843 0x00080004
> Call Trace:

I've run this for about an hour now, with mq-deadline and a regular SATA
drive, and it's still chugging along. I need to know more about your
setup.

--
Jens Axboe

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