Date: Mon, 23 Dec 1996 01:18:08 -0800 (PST) From: brian@mediacity.com To: erich@uruk.org (Erich Boleyn) Cc: smp@freebsd.org Subject: Re: (long) P6 and ??? TLB shootdown ??? Message-ID: <19961223091808.7334.qmail@mediacity.com> In-Reply-To: <E0vbsml-00080n-00@uruk.org> from Erich Boleyn at "Dec 22, 96 10:38:07 am"
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Erich Boleyn wrote: > Hi all. I spent the last few days doing debugging exercises with > FreeBSD-SMP on my P6 SMP test box. The results were interesting. > > First of all, I dug around in the debugger more, always getting an > error message and stack traceback that always looks like the following > (modulo some differences in the "fault virtual address" and the > "current process" stuff): I get the identical fault, at the same point, running on my P6 ASUS 2xPP200 motherboard. brian@mediacity.com > > ---------------------------(start DDB stuff)-------------------------------- > Fatal trap 12: page fault while in kernel mode ... > kernel: type 12 trap, code=0 > Stopped at _pmap_enter+0x8f: movl 0(%ecx),%ecx
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