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Re: kern/49305: deadlocks on sparc64 SMP

The following reply was made to PR kern/49305; it has been noted by GNATS.

From: Martin Husemann <>
To: Mindaugas Rasiukevicius <>
Subject: Re: kern/49305: deadlocks on sparc64 SMP
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?

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