FreeBSD-9.1 freezes on sun ultra-30

Marius Strobl marius at
Thu Feb 21 01:26:27 UTC 2013

On Wed, Feb 20, 2013 at 09:20:05AM -0500, Richard Thornton wrote:
> On 2/20/2013 6:30 AM, Marius Strobl wrote:
> > On Mon, Feb 18, 2013 at 12:36:36PM +0100, Magnus Lindholm wrote:
> >> Hi,
> >>
> >> I've installed FreeBSD-8.3 on my sun ultra-30, the 9.1 boot-only install CD failed to boot, so did the 9.0 install CD. 8.3 worked fine and from that I upgraded to 9.1 from source. The system has been up and running for a day or two when I get the message:
> >>
> >> pcib0: correctable DMA error AFAR 0x3aecc400 AFSR 0x40f400009f800000
> >>
> >>
> >> I't repeats a few times on the console and then the system freezes. The system was doing some work building stuff from the port-collections, so the load was quite heavy. Is this hardware related (failing hardware) or is something in the 9.1 kernel thats doesn't work well with my hardware?
> >>
> > Most likely RAM issues; re-seating the modules might help.
> >
> > Marius
> >
> > _______________________________________________
> > freebsd-sparc64 at mailing list
> >
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> Go with openbsd 5.2;  that's a real system.

I doubt that OpenBSD will magically fix hardware problems.
However, given that the performance of OpenBSD typically plain sucks,
i.e. it doesn't make much out of the hardware (f.e., according to my
testing of hme(4) with netperf on an u60, it is nowhere near being
able to saturate Fast Ethernet, while FreeBSD on the same hardware
certainly does), it's quite likely that with OpenBSD one just doesn't
hit such hardware issues.


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