Re: Hang with heavy build on cgd and MP

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Sun, Jan 24, 2010 at 11:22:07AM +0000, David Brownlee wrote:
> I have a largish java app which hang my netbsd-5 amd64 X60s when
> building on cgd. It normally happens on the second consecutive build,
> using the native openjdk7.
> 
> I originally noticed in on cgd on dk, but removing
> DKWEDGE_METHOD_BSDLABEL didn't affect matters. Moving the tree from
> the cgd partition on to a normal one (on the same disk) avoids the
> issue, as does using cpuctl to take one of the two cpu core offline.
> 
> It hangs hard - I can't drop into ddb. This is happening under sources
> from a day or so ago, and from early January.
> 
> Does anyone have any thoughts?

could you see if this pullup:
http://releng.netbsd.org/cgi-bin/req-5.cgi?show=1269
fixes it ?
Note that the patch is only for wd.c, for vnd, cgd and dk you'll have
to extract the diff from cvs.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--