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From: Michael Ellerman <mpe@ellerman.id.au>
To: Brian King <brking@linux.vnet.ibm.com>
Cc: Brian J King <bjking1@us.ibm.com>, Jens Axboe <axboe@kernel.dk>,
	Bart Van Assche <Bart.VanAssche@wdc.com>,
	"linux-block\@vger.kernel.org" <linux-block@vger.kernel.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linuxppc-dev\@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>
Subject: Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage
Date: Mon, 31 Jul 2017 22:03:30 +1000	[thread overview]
Message-ID: <87379c6cfh.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <5dcfe3ac-50c7-86a6-e571-fe5a1c1dc316@linux.vnet.ibm.com>

Brian King <brking@linux.vnet.ibm.com> writes:

> On 07/28/2017 10:17 AM, Brian J King wrote:
>> Jens Axboe <axboe@kernel.dk> wrote on 07/28/2017 09:25:48 AM:
>> 
>>> Can you try the below fix? Should be more palatable than the previous
>>> one. Brian, maybe you can take a look at the IRQ issue mentioned above?
>
> Michael,
>
> Does this address the issue you are seeing?

Yes it seems to, thanks.

I only see the trace on reboot, and not 100% of the time. But I've
survived a couple of reboots now without seeing anything, so I think
this is helping.

I'll put the patch in my Jenkins over night and let you know how it
survives that, which should be ~= 25 boots.

cheers

  reply	other threads:[~2017-07-31 12:03 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-27  5:10 Michael Ellerman
2017-07-27 14:02 ` Jens Axboe
2017-07-27 14:47   ` Bart Van Assche
2017-07-27 16:26     ` Jens Axboe
2017-07-28  6:19       ` Michael Ellerman
2017-07-28 14:25         ` Jens Axboe
2017-07-28 15:13           ` Bart Van Assche
2017-07-28 15:18             ` Jens Axboe
     [not found]           ` <OF186C0C54.7E077412-ON8625816B.0053C88E-8625816B.00540312@notes.na.collabserv.com>
2017-07-28 20:41             ` Brian King
2017-07-31 12:03               ` Michael Ellerman [this message]
2017-08-01  6:54                 ` Michael Ellerman
2017-08-01 15:21                   ` [PATCH] ipr: Fix scsi-mq lockdep issue Brian King
2017-08-07 17:41                     ` Martin K. Petersen
2017-08-01  6:55           ` blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage Michael Ellerman
2017-08-01 15:26             ` Jens Axboe

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