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Re: [PATCH RT 4/6] rt/locking: Reenable migration accross schedule

From Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Newsgroups linux.kernel
Subject Re: [PATCH RT 4/6] rt/locking: Reenable migration accross schedule
Date 2016-04-08 17:00 +0200
Message-ID <rlG39-5o2-45@gated-at.bofh.it> (permalink)
References (7 earlier) <rjkgq-5Ym-7@gated-at.bofh.it> <rlli2-6NG-19@gated-at.bofh.it> <rlEXn-4y2-11@gated-at.bofh.it> <rlF73-4Cg-7@gated-at.bofh.it> <rlFqp-53i-3@gated-at.bofh.it>
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On 04/08/2016 04:16 PM, Mike Galbraith wrote:
>> okay. and how did you trigger this? Just Steven's script or was there
>> more to it?
> 
> I run stockfish, futextest, hackbench and tbench with it, terminating
> and restarting them at random intervals just to make sure nobody gets
> into a comfortable little rut.  Stockfish and tbench are sized as to
> not saturate the box, hackbench runs periodically (and with no args to
> turn it into a hog), futextest run.sh just does its normal thing.

Is there anything you can hand me over?

> Trying to grab an rtmutex while queued on an rtmutex... doesn't matter
> much if it's the lock that likes to deadlock us, or the one you added
> instead of making that blasted lock really really dead.

Yeah, doesn't look too good.

> 	-Mike
> 
Sebastian

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Thread

Re: [PATCH RT 4/6] rt/locking: Reenable migration accross schedule Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-04-07 18:50 +0200
  Re: [PATCH RT 4/6] rt/locking: Reenable migration accross schedule Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-04-07 21:10 +0200
    Re: [PATCH RT 4/6] rt/locking: Reenable migration accross schedule Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-04-08 12:40 +0200
      Re: [PATCH RT 4/6] rt/locking: Reenable migration accross schedule Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-04-08 14:20 +0200
  Re: [PATCH RT 4/6] rt/locking: Reenable migration accross schedule Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-04-08 08:40 +0200
  Re: [PATCH RT 4/6] rt/locking: Reenable migration accross schedule Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-04-08 15:50 +0200
    Re: [PATCH RT 4/6] rt/locking: Reenable migration accross schedule Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-04-08 16:00 +0200
      Re: [PATCH RT 4/6] rt/locking: Reenable migration accross schedule Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-04-08 16:20 +0200
        Re: [PATCH RT 4/6] rt/locking: Reenable migration accross schedule Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-04-08 17:00 +0200
          Re: [PATCH RT 4/6] rt/locking: Reenable migration accross schedule Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-04-08 18:50 +0200

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