Date: Wed, 3 Sep 2003 18:55:49 +0200 From: Thomas Moestl <t.moestl@tu-bs.de> To: Chris Jackman <cjacknospamthanks@klatsch.org>, freebsd-sparc64@freebsd.org Subject: Re: correctable DMA error AFAR Message-ID: <20030903165549.GA20825@timesink.dyndns.org> In-Reply-To: <20030721224708.GB768@crow.dom2ip.de> References: <20030721194436.GA42900@collab.or8.net> <20030721224708.GB768@crow.dom2ip.de>
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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@tu-bs.de> http://www.tu-bs.de/~y0015675/ <tmm@FreeBSD.org> http://people.FreeBSD.org/~tmm/ PGP fingerprint: 1C97 A604 2BD0 E492 51D0 9C0F 1FE6 4F1D 419C 776C
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