correctable DMA error AFAR

Thomas Moestl t.moestl at tu-bs.de
Wed Sep 3 09:55:30 PDT 2003


On Tue, 2003/07/22 at 00:47:08 +0200, Thomas Moestl wrote:
> On Mon, 2003/07/21 at 15:44:36 -0400, Chris Jackman wrote:
> > My e250 has locked up twice in the last few weeks with these
> > error messages.  The error gets repeated over and over
> > again on the serial console, and I can't do anything to the
> > box except power cycle it.
> 
> This interrupt is informational only, and the documentation states
> that no further cleanup is required. We should probably clear the
> error bits in the status register however, since this looks like the
> interrupt being triggered again and again when any bits are still
> set. The manual is a bit ambiguous on that point, but clearing the
> bits is desirable anyway since it improves error reporting.
> 
> The attached patch implements this; can you please try it and report
> how well it behaved on the next ECC error?

So, did you see such errors again, and if so, did the patch fix the
lockups?

Thanks,
	- Thomas

-- 
Thomas Moestl <t.moestl at tu-bs.de>	http://www.tu-bs.de/~y0015675/
              <tmm at FreeBSD.org>		http://people.FreeBSD.org/~tmm/
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