Date: Mon, 11 Sep 2000 08:36:20 -0700 (PDT) From: Matthew Jacob <mjacob@feral.com> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: alpha@FreeBSD.ORG Subject: Re: so much for *that* idea..... Message-ID: <Pine.LNX.4.21.0009110835380.24475-100000@zeppo.feral.com> In-Reply-To: <14780.62432.185970.793919@grasshopper.cs.duke.edu>
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On Mon, 11 Sep 2000, Andrew Gallatin wrote: > > Matthew Jacob writes: > > > > I did a build from more or less top of tree- I had had a clean buildworld, so > > I built a kernel and did the installworld and did mergemaster and did > > disklabel -B, and got: > > <...> > > > halt code = 2 > > kernel stack not valid halt > > PC = 200000000 > > > > for my pains. Tsk. > > This typically means you're faulting very early in the boot process. > Thus is typically caused by trap'ing & then calling vm_map_lookup() > out of vm_fault() prior to setting up the vm maps. The > vm_map_lookup() faults & you get caught in an infinate recursion > ending in a ksp not valid. > > First thing I'd try is temporarily making the ALPHA_MMCSR_ACCESS case > in trap() always fatal for a kernel-mode trap. This should catch the > initial trap & give you a clue as to what's going wrong. Yup- that's a good trick to try. > Sorry for my delayed reply. My wife & I just moved into our new > place. No phone service yet, much less DSL. Blah. It wasn't delayed- not at all. -matt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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