Date: Sat, 26 May 2007 11:30:51 -0400 From: Mikhail Teterin <mi+kde@aldan.algebra.com> To: bug-followup@freebsd.org, awallac3@uiuc.edu, jhb@freebsd.org, stable@freebsd.org Subject: Re: amd64/89550: spin-lock panics continue (crash trace) Message-ID: <200705261130.52308@aldan>
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The patch in the PR allows our two Symbios 875 boards to work with FreeBSD-6.2-recent. However, the machine continues to suffer from the "spin lock held to long" panics every few days. Usually, there is a double-panic, which prevents crash dump from occuring. But this morning it succeeded. The full trace is available at http://aldan.algebra.com/~mi/bonkers-crash-4.txt The panic is from kern_mutex.c. The value of the delay-counting i is, no surprise, exactly 60000000. I'm not sure, if it is the sym-enabling patch, that causes the problem, or something else. Either way, it would be very useful for an expert to look at it -- and commit the (possibly modified) patch too. -mi
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