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Re: kern/49305: deadlocks on sparc64 SMP

To: Mindaugas Rasiukevicius <rmind%netbsd.org@localhost>
Subject: Re: kern/49305: deadlocks on sparc64 SMP
From: Martin Husemann <martin%duskware.de@localhost>
Date: Sun, 9 Nov 2014 17:16:01 +0100

On Sun, Nov 09, 2014 at 03:13:21PM +0000, Mindaugas Rasiukevicius wrote:
> Unlikely to be pcq(9).  Most likely this is related to software interrupts
> or IPIs on sparc64, see softint_schedule_cpu(9).  Unfortunately, I do not
> have time to look into sparc64 MD code right now.

Possible, but why does the "always use the other cpu for softint processing"
version not trigger it?

Martin

Follow-Ups:
- Re: kern/49305: deadlocks on sparc64 SMP
  - From: Michael

References:
- Re: kern/49305: deadlocks on sparc64 SMP
  - From: Martin Husemann
- Re: kern/49305: deadlocks on sparc64 SMP
  - From: Mindaugas Rasiukevicius

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