Subject: Re: Stable again?
To: None <port-sparc64@NetBSD.org>
From: Pavel Cahyna <pavel@NetBSD.org>
List: port-sparc64
Date: 10/26/2006 23:14:25
On Wed, Oct 25, 2006 at 11:03:24PM -0400, Geoff Adams wrote:
> On 25 Oct 2006, at 9:02 PM, Raymond Meyer wrote:
> 
> >Nevermind SMP, what about threading bugs on sparc64, are they still at large??
> 
> As far as I can tell, yes. (Although I admit I've been waiting for the 
> now-announced settling of the SMP work to try a new -current kernel.) I've just 
> done an update, and the build begins now...
> 
> I am becoming quite motivated to work on solving this problem, and I've just 
> begun trying to figure out where to start looking. I'm figuring this will 
> involve mucking around in kernel code and the pthreads library, although I'll 
> admit I haven't looked into the SA or threading architecture in NetBSD in 
> general.
> 
> Is there anyone out there who has any ideas about what's going wrong? I'd 
> appreciate any head starts anyone can give me. Without that, I'll just be 
> starting from scratch trying to figure it out. All I know right now is that 
> threaded programs seem to die when parts of them are paged back in. I'll start 
> there.

There is some hint in this PR:

http://www.netbsd.org/cgi-bin/query-pr-single.pl?number=34269