Re: INFO: task hung in io_wq_destroy

From: Jens Axboe
Date: Mon Nov 18 2019 - 22:15:25 EST


On 11/18/19 7:23 PM, Eric Biggers wrote:
> Hi Jens,
>
> On Mon, Oct 28, 2019 at 03:00:08PM -0600, Jens Axboe wrote:
>> This is fixed in my for-next branch for a few days at least, unfortunately
>> linux-next is still on the old one. Next version should be better.
>
> This is still occurring on linux-next. Here's a report on next-20191115 from
> https://syzkaller.appspot.com/text?tag=CrashReport&x=16fa3d1ce00000

Hmm, I'll take a look. Looking at the reproducer, it's got a massive
sleep at the end. I take it this triggers before that time actually
passes? Because that's around 11.5 days of sleep.

No luck reproducing this so far, I'll try on linux-next.

--
Jens Axboe