Date: Wed, 6 Jun 2001 21:04:48 -0400 (EDT) From: Andrew Gallatin <gallatin@cs.duke.edu> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-alpha@freebsd.org Subject: Re: Possible VM patch.. Message-ID: <15134.54064.506521.72161@grasshopper.cs.duke.edu> In-Reply-To: <XFMail.010606170002.jhb@FreeBSD.org> References: <15134.49536.206316.481220@grasshopper.cs.duke.edu> <XFMail.010606170002.jhb@FreeBSD.org>
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Facinating. We seem to be trapping in the middle of trap:
login:
fatal kernel trap:
trap entry = 0x2 (memory management fault)
cpuid = 0
faulting va = 0x62
type = access violation
cause = load instructon
pc = 0xfffffc
fatal kernel trap:
trap entry = 0x2 (memory management fault)
cpuid = 0
faulting va = 0xfffffe00060b4010
type = access violation
cause = store instruction
pc = 0xfffffc00006a22d0
ra = 0xfffffc00006a57d4
sp = 0xfffffe0006996d98
usp = 0x11ffac00
curproc = 0xfffffe00068a3480
pid = 4089, comm = sh
trapping deeply
The second, complete printtrap() is coming from my kernnest check in
trap(). The stack, is naturally enough, useless:
Stopped at Debugger+0x34: zapnot v0,#0xf,a0 <v0=0x7,a0=0x6>
db> tr
Debugger() at Debugger+0x34
trap() at trap+0xac
XentMMlgp() at XentMMlgp+0x18
This might be a good time for me to pick up Ross's stack printing
enhancements from NetBSD...
Drew
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