linux-kernel - Re: Regression with a0747a859ef6 ("bdi: add error handle for bdi_debug

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Message-ID: <20171215174013.GA20381@wolff.to>
Date:   Fri, 15 Dec 2017 11:40:13 -0600
From:   Bruno Wolff III <bruno@...ff.to>
To:     Laura Abbott <labbott@...hat.com>
Cc:     weiping zhang <zwp10758@...il.com>, Jan Kara <jack@...e.cz>,
        Jens Axboe <axboe@...nel.dk>, linux-mm@...ck.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        regressions@...mhuis.info, linux-block@...r.kernel.org
Subject: Re: Regression with a0747a859ef6 ("bdi: add error handle for
 bdi_debug_register")

On Fri, Dec 15, 2017 at 09:18:56 -0800,
  Laura Abbott <labbott@...hat.com> wrote:
>
>You can see the trees Fedora produces at https://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/fedora.git
>which includes the configs (you want to look at the ones withtout - debug)

Thanks. I found it a little while ago and am already doing a test build 
without weiping's test patch to see if that kernel provides what he(?) 
needs. Doing a rebuild with the test patch will go pretty quickly. So 
if I get the message with device_add_disk from these kernels, I should 
be able to get the information this afternoon. If there is some other 
reason I don't get that when I do the builds, I'm probably not going to be 
able to figure it out and get a build done before I leave. I don't live 
close enough to the office that I'm going to want to drive in just to 
be able to do a reboot test. (And my hardware at home does exhibit the 
problem.)

If you have some other idea about why I might not be seeing the 
device_add_disk message, I'd be interested in hearing it.