From: Jens Axboe <axboe@fb.com>
Subject: Re: Test generic/299 stalling forever
Date: Wed, 19 Oct 2016 08:06:44 -0600
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Cc: Dave Chinner <david@fromorbit.com>, <linux-ext4@vger.kernel.org>,
        <fstests@vger.kernel.org>, <tarasov@vasily.name>
To: "Theodore Ts'o" <tytso@mit.edu>
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On 10/18/2016 12:01 PM, Theodore Ts'o wrote:
> Jens, ping?
>
> Have you had a chance to take a look at the stack traces?  Is there
> any other debugging information I can get for you?

I'll take a look today. I agree, this definitely looks like a fio
bug. But not related to the mutex issue for the stat part, all verifier
threads are waiting to be woken up, but the main thread is done.

I'll see if I can reproduce. If not, I may ask you to dump more info
from the hung processes.

-- 
Jens Axboe