Re: kern/49305: deadlocks on sparc64 SMP

[Mindaugas Rasiukevicius <rmind%netbsd.org@localhost>]

Martin Husemann <martin%duskware.de@localhost> wrote:
> The following reply was made to PR kern/49305; it has been noted by GNATS.
> 
> From: Martin Husemann <martin%duskware.de@localhost>
> To: gnats-bugs%NetBSD.org@localhost
> Cc: 
> Subject: Re: kern/49305: deadlocks on sparc64 SMP
> Date: Tue, 28 Oct 2014 10:45:04 +0100
> 
>  Some race or missing sync ops in pcq(9)?
>  

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.

-- 
Mindaugas