Date: Fri, 30 Aug 2002 09:50:59 +0200 From: Arnvid Karstad <arnvid@karstad.org> To: freebsd-stable@freebsd.org Subject: Problems with FreeBSD - causing zalloc to return 0 ?! Message-ID: <20020830094151.41DC.ARNVID@karstad.org>
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Hiya all, We've been troubled by "Fatal trap 12"'s for a little while now. The machine was running 4.6 perfectly, until I decided to try a cvs up to RELENG_4_6 about a week ago. Then it started to crash alot, we went back to RELENG_4. And there were no problems there. But then we decided to send in an error report http://www.freebsd.org/cgi/query-pr.cgi?pr=42046 and went back to RELENG_4_6.... After going through alot of testing, kernel testing, and other funny things we decided to end the testing and go back to RELENG_4... Voila... The problems where now resident in that CVS Tag also. We have found a working workaround by adding the following to the kernel config: options INVARIANTS options INVARIANT_SUPPORT running the kernel with GENERIC instead of our custom kernel makes the system panic alot faster. It would seem that zalloc return's 0 when it shouldn't be able to do that. There are more incidents like this at several other machines that were upgraded at the same time. Anyone know of a better workaround than using INVARIANTS? Mvh/Best regards, Arnvid L. Karstad To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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