linux-kernel - Re: [PATCH 00/10] Misc block layer patches for bcachefs

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Message-ID: <23d179b9a20859fb9dee1a20d59b9c1e6a72a854.camel@wdc.com>
Date:   Tue, 22 May 2018 22:01:54 +0000
From:   Bart Van Assche <Bart.VanAssche@....com>
To:     "kent.overstreet@...il.com" <kent.overstreet@...il.com>
CC:     "mingo@...nel.org" <mingo@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "axboe@...nel.dk" <axboe@...nel.dk>
Subject: Re: [PATCH 00/10] Misc block layer patches for bcachefs

On Sun, 2018-05-20 at 18:17 -0400, Kent Overstreet wrote:
> On Fri, May 18, 2018 at 03:12:27PM +0000, Bart Van Assche wrote:
> > On Fri, 2018-05-18 at 05:06 -0400, Kent Overstreet wrote:
> > > On Thu, May 17, 2018 at 08:54:57PM +0000, Bart Van Assche wrote:
> > > > With Jens' latest for-next branch I hit the kernel warning shown below. Can
> > > > you have a look?
> > > 
> > > Any hints on how to reproduce it?
> > 
> > Sure. This is how I triggered it:
> > * Clone https://github.com/bvanassche/srp-test.
> > * Follow the instructions in README.md.
> > * Run srp-test/run_tests -c -r 10
> 
> Can you bisect it? I don't have infiniband hardware handy...

Hello Kent,

The bisect I ran reported the following commit as the first faulty commit:

block: Add warning for bi_next not NULL in bio_endio()

Bart.