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Re: kern/49305: deadlocks on sparc64 SMP

Martin Husemann <> wrote:
> The following reply was made to PR kern/49305; it has been noted by GNATS.
> From: Martin Husemann <>
> To:
> 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.


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