From: Ming Lei <tom.leiming@gmail.com>
To: Guenter Roeck <linux@roeck-us.net>
Cc: James Bottomley <James.Bottomley@hansenpartnership.com>,
Stephen Rothwell <sfr@canb.auug.org.au>,
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
Date: Thu, 2 Aug 2018 07:57:57 +0800 [thread overview]
Message-ID: <CACVXFVMrzLRP5Q=cwZGnqeUeyODL3Pq9jMkT7czZouK9510fUA@mail.gmail.com> (raw)
In-Reply-To: <20180801234727.GA3762@roeck-us.net>
On Thu, Aug 2, 2018 at 7:47 AM, Guenter Roeck <linux@roeck-us.net> wrote:
> On Wed, Aug 01, 2018 at 03:52:45PM -0700, James Bottomley wrote:
>> On Wed, 2018-08-01 at 15:48 -0700, Guenter Roeck wrote:
>> > On Wed, Aug 01, 2018 at 05:58:52PM +1000, Stephen Rothwell wrote:
>> > > Hi all,
>> > >
>> > > Changes since 20180731:
>> > >
>> > > The pci tree gained a conflict against the pci-current tree.
>> > >
>> > > The net-next tree gained a conflict against the bpf tree.
>> > >
>> > > The block tree lost its build failure.
>> > >
>> > > The staging tree still had its build failure due to an interaction
>> > > with
>> > > the vfs tree for which I disabled CONFIG_EROFS_FS.
>> > >
>> > > The kspp tree lost its build failure.
>> > >
>> > > Non-merge commits (relative to Linus' tree): 10070
>> > > 9137 files changed, 417605 insertions(+), 179996 deletions(-)
>> > >
>> > > -----------------------------------------------------------------
>> > > -----------
>> > >
>> >
>> > The widespread kernel hang issues are still seen. I managed
>> > to bisect it after working around the transient build failures.
>> > Bisect log is attached below. Unfortunately, it doesn't help much.
>> > The culprit is reported as:
>> >
>> > 2d542828c5e9 Merge remote-tracking branch 'scsi/for-next'
>> >
>> > The preceding merge,
>> >
>> > 453f1d821165 Merge remote-tracking branch 'cgroup/for-next'
>> >
>> > checks out fine, as does the tip of scsi-next (commit 103c7b7e0184,
>> > "Merge branch 'misc' into for-next"). No idea how to proceed.
>>
>> This sounds like you may have a problem with this patch:
>>
>> commit d5038a13eca72fb216c07eb717169092e92284f1
>> Author: Johannes Thumshirn <jthumshirn@suse.de>
>> Date: Wed Jul 4 10:53:56 2018 +0200
>>
>> scsi: core: switch to scsi-mq by default
>>
>> To verify, boot with the additional kernel parameter
>>
>> scsi_mod.use_blk_mq=0
>>
>> Which will reverse the effect of the above patch.
>>
> Yes, that fixes the problem.
That may not the root cause, given this issue is only started to
see from next-20180731, but d5038a13eca7 (scsi: core: switch to
scsi-mq by default)
has been in -next for quite a while.
Seems something new causes this issue.
Thanks,
Ming Lei
next prev parent reply other threads:[~2018-08-01 23:58 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-01 7:58 linux-next: Tree for Aug 1 Stephen Rothwell
2018-08-01 22:48 ` Guenter Roeck
2018-08-01 22:52 ` James Bottomley
2018-08-01 23:00 ` James Bottomley
2018-08-02 0:05 ` Stephen Rothwell
2018-08-02 1:19 ` Guenter Roeck
2018-08-01 23:47 ` Guenter Roeck
2018-08-01 23:57 ` Ming Lei [this message]
2018-08-02 0:03 ` James Bottomley
2018-08-02 0:20 ` Guenter Roeck
2018-08-02 4:58 ` Guenter Roeck
2018-08-02 5:04 ` Bart Van Assche
2018-08-02 12:46 ` Guenter Roeck
2018-08-02 12:51 ` Johannes Thumshirn
2018-08-02 13:00 ` Guenter Roeck
2018-08-02 13:06 ` Johannes Thumshirn
2018-08-02 11:35 ` Ming Lei
2018-08-02 13:05 ` Guenter Roeck
2018-08-02 16:27 ` Ming Lei
2018-08-02 16:40 ` Bart Van Assche
2018-08-02 16:50 ` Ming Lei
2018-08-02 16:57 ` Bart Van Assche
2018-08-02 0:12 ` Guenter Roeck
-- strict thread matches above, loose matches on Subject: below --
2023-08-01 5:19 Stephen Rothwell
2019-08-01 6:14 Stephen Rothwell
2017-08-01 7:37 Stephen Rothwell
2017-08-01 12:42 ` Sergey Senozhatsky
2017-08-01 13:20 ` Arnd Bergmann
2017-08-01 13:28 ` Arnd Bergmann
2017-08-01 23:55 ` Sergey Senozhatsky
2017-08-02 11:13 ` Arnd Bergmann
2016-08-01 4:02 Stephen Rothwell
2014-08-01 9:14 Stephen Rothwell
2013-08-01 7:25 Stephen Rothwell
2013-08-01 7:50 ` Sedat Dilek
2011-08-01 4:47 Stephen Rothwell
2011-08-01 7:01 ` Sedat Dilek
2011-08-01 21:54 ` Randy Dunlap
2011-08-02 1:29 ` Stephen Rothwell
2011-08-02 10:38 ` Sedat Dilek
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