From: Jens Axboe <axboe@kernel.dk>
To: "Levin, Alexander (Sasha Levin)" <alexander.levin@verizon.com>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: block: hung task writing to device
Date: Mon, 10 Jul 2017 10:05:15 -0600 [thread overview]
Message-ID: <92fb7af1-d128-ffe0-bc5c-b7a5ead77b1e@kernel.dk> (raw)
In-Reply-To: <20170708190730.avwa2urwjuvohpgg@sasha-lappy>
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
prev parent reply other threads:[~2017-07-10 16:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-08 19:06 Levin, Alexander (Sasha Levin)
2017-07-09 1:29 ` Jens Axboe
2017-07-11 0:02 ` Levin, Alexander (Sasha Levin)
2017-07-10 16:05 ` Jens Axboe [this message]
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