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Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage

From Michael Ellerman <mpe@ellerman.id.au>
Newsgroups linux.kernel
Subject Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage
Date 2017-07-31 14:10 +0200
Message-ID <u9hGh-686-1@gated-at.bofh.it> (permalink)
References (3 earlier) <u7TPI-8oO-19@gated-at.bofh.it> <u86MV-8s7-1@gated-at.bofh.it> <u8er8-4Rs-19@gated-at.bofh.it> <u8kmR-er-7@gated-at.bofh.it> <u8kmR-er-5@gated-at.bofh.it>
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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

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blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage Michael Ellerman <mpe@ellerman.id.au> - 2017-07-27 07:20 +0200
  Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} ->  {IN-SOFTIRQ-W} usage Jens Axboe <axboe@kernel.dk> - 2017-07-27 16:10 +0200
    Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} ->  {IN-SOFTIRQ-W} usage Bart Van Assche <Bart.VanAssche@wdc.com> - 2017-07-27 16:50 +0200
      Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} ->  {IN-SOFTIRQ-W} usage Jens Axboe <axboe@kernel.dk> - 2017-07-27 18:30 +0200
        Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage Michael Ellerman <mpe@ellerman.id.au> - 2017-07-28 08:20 +0200
          Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} ->  {IN-SOFTIRQ-W} usage Jens Axboe <axboe@kernel.dk> - 2017-07-28 16:30 +0200
            Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} ->  {IN-SOFTIRQ-W} usage Bart Van Assche <Bart.VanAssche@wdc.com> - 2017-07-28 17:20 +0200
              Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} ->  {IN-SOFTIRQ-W} usage Jens Axboe <axboe@kernel.dk> - 2017-07-28 17:20 +0200
            Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} ->  {IN-SOFTIRQ-W} usage Brian King <brking@linux.vnet.ibm.com> - 2017-07-28 22:50 +0200
              Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage Michael Ellerman <mpe@ellerman.id.au> - 2017-07-31 14:10 +0200
                Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage Michael Ellerman <mpe@ellerman.id.au> - 2017-08-01 09:00 +0200
                [PATCH] ipr: Fix scsi-mq lockdep issue Brian King <brking@linux.vnet.ibm.com> - 2017-08-01 17:30 +0200
                Re: [PATCH] ipr: Fix scsi-mq lockdep issue "Martin K. Petersen" <martin.petersen@oracle.com> - 2017-08-07 19:50 +0200
            Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage Michael Ellerman <mpe@ellerman.id.au> - 2017-08-01 09:00 +0200
              Re: blk_mq_sched_insert_request: inconsistent {SOFTIRQ-ON-W} ->  {IN-SOFTIRQ-W} usage Jens Axboe <axboe@kernel.dk> - 2017-08-01 17:30 +0200

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