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Date:   Thu, 21 Dec 2017 17:16:03 -0600
From:   Bruno Wolff III <>
To:     Jens Axboe <>
Cc:     weiping zhang <>,
        Laura Abbott <>, Jan Kara <>,,
        Linux Kernel Mailing List <>,,
        weiping zhang <>,
Subject: Re: Regression with a0747a859ef6 ("bdi: add error handle for

On Thu, Dec 21, 2017 at 12:15:31 -0600,
  Bruno Wolff III <> wrote:
>One important thing I have just found is that it looks like the 
>problem only happens when booting in enforcing mode. If I boot in 
>permissive mode it does not happen. My home machines are currently set 
>to boot in permissive mode and I'll test this evening to see if I can 
>reproduce the problem if I change them to enforcing mode. If so I'll 
>be able to do lots of testing during my vacation.

Enforcing mode alone isn't enough as I tested that one one machine at 
home and it didn't trigger the problem. I'll try another machine late 

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