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Date: Thu, 25 Sep 2003 16:01:02 -0700
From: Aditya <aditya@grot.org>
To: stable@freebsd.org
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Subject: is this page fault a hardware problem?
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I am trying to upgrade a machine from 4.8-RELEASE with a GENERIC kernel to
4-STABLE with /usr/src and /usr/obj mounted via NFS on a Netapp (something
I've done countless times, but not on this particular machine PIV 1.7Ghz +
1GB RAM). Twice, it's stopped the make buildworld at around this point:

...
rm -f libm.so
rm -f libm.so.* libm.so
rm -f libm.a libm.so.2
rm -f .depend GPATH GRTAGS GSYMS GTAGS
===> lib/libmd
===> lib/libncurses

and rebooted with the serial console showing the following page fault:

Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0xee60034c
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc02c5d22
stack pointer           = 0x10:0xe4227e30
frame pointer           = 0x10:0xe4227e64
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 2981 (make)
interrupt mask          = none
trap number             = 12
panic: page fault

Hints?

Thanks,
Adi