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Re: Hang with heavy build on cgd and MP

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:
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 <>
     NetBSD: 26 ans d'experience feront toujours la difference

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