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Date:   Thu, 2 Aug 2018 10:05:05 +1000
From:   Stephen Rothwell <sfr@canb.auug.org.au>
To:     James Bottomley <James.Bottomley@HansenPartnership.com>
Cc:     Guenter Roeck <linux@roeck-us.net>,
        Linux-Next Mailing List <linux-next@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-scsi <linux-scsi@vger.kernel.org>
Subject: Re: linux-next: Tree for Aug 1
Message-ID: <20180802100505.56e663cb@canb.auug.org.au>
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        <20180801224813.GA13074@roeck-us.net>
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        <1533164454.3158.3.camel@HansenPartnership.com>
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Hi all,

On Wed, 01 Aug 2018 16:00:54 -0700 James Bottomley <James.Bottomley@HansenP=
artnership.com> wrote:
>
> So what seems to be happening to cause this is that there's a patch
> somewhere between the merge base of my scsi-next series and the next
> tree and the patch just before scsi-next was actually merged that
> actually causes a boot failure with blk-mq enabled.  Could you try to
> find this patch?  I think the way to do it is to try to bisect this
> range of linux-next using the command line
>=20
> scsi_mod.use_blk_mq=3D1
>=20
> Which forces block mq to be the default and seeing where the first boot
> failure is (you don't need my scsi-next tree merged to do this because
> all the offending patch does is flip the default state of the above
> flag).

So this means using v4.8-rc1 as the first good commit and 453f1d821165
("Merge remote-tracking branch 'cgroup/for-next'") as the first bad
(assuming that this latter fails to boot with "scsi_mod.use_blk_mq=3D1").

--=20
Cheers,
Stephen Rothwell

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