From mboxrd@z Thu Jan 1 00:00:00 1970 From: Date: Wed, 15 Sep 1999 07:23:15 +0000 Subject: Re: bug in 2.2.13pre7 on Ultras (more oops) MIME-Version: 1 Content-Type: multipart/mixed; boundary="131399203-834041166-937380195=:17082" Message-Id: List-Id: To: ultralinux@vger.kernel.org This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. Send mail to mime@docserver.cac.washington.edu for more info. --131399203-834041166-937380195=:17082 Content-Type: TEXT/PLAIN; charset=US-ASCII On Tue, 14 Sep 1999, David S. Miller wrote: > The dumps seem to be corrupted, it is very crucial for the initial > oops generated to be completely visible and decoded. Once the > first oops happens, the only thing that can really be said about > subsequent oopses are that they are due to corrupted state generated > in the first oops, it's difficult then to reason about the true cause. Ok, now I'm sure I include the first one, but also the rest, just in case. > Also, are you getting correctable ECC memory errors in your kernel > logs before this happens? I am very close to starting to encourage If it should log anything, I don't get it. No errors in the logs or the console but the ones I include. > users to return these AXi boards to Sun and asking for fixed parts > which do not generate these ECC memory errors. They addresses > generating the ECC errors are always at the same exact spot, with the > same ECC syndrome, regardless of how you arrange the simms. This is a > motherboard hardware bug without a doubt, and I'm imagining that a > large set of AXi boards produced in the past half year have this > problem. :-( In fact these are Sparc compatible, but they have passed Sun the hardware compatibility tests -twice :)- And they don't fail with Solaris 2.7 :((( I got 2 of them replaced, but the problems didn't disappear. > I know this issue has never turned up on any other UltraSparc's, > because if they did the machine would lock up at bootup and people > would have told me about it :-) Well, maybe with the new logs you can reach other conclusions. If you need to know the gcc compiler used, the prom settings or something else, just ask it. 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