Panic in 7.1-PRERELEASE (was: Re: kgdb on sparc64)

Ruben de Groot fbsd-sparc64 at bzerk.org
Tue Dec 2 03:57:05 PST 2008


On Mon, Dec 01, 2008 at 10:18:06PM +0100, Marius Strobl typed:
> On Thu, Nov 20, 2008 at 06:47:11AM +0100, Ruben de Groot wrote:
> > 
> > Thanks. I've moved all websites away from this machine, so it's available for any
> > further tests to help find a solution. 
> > 
> 
> Could you please give the patch at:
> http://people.freebsd.org/~marius/dc_bitbang_delay.diff
> a try? It's based on information gained from other drivers for
> the same chips that there should be an delay after every write
> when bit-banging the MII, which hopefully solves the bus wedging
> you're seeing. So far I didn't manage to reproduce the problem
> though, so I can't test whether the patch makes an actual
> difference either.

Thanks for looking into this.
Running with this patch right now. It'll take some time to conclude if this
fixes the issue, as the panics normally happen only once every 2-3 days.

Will report back in a week or so

Ruben



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