Date: Sun, 23 Nov 1997 11:32:43 +1000 (EST) From: Simon Coggins <chaos@ultra.net.au> To: questions@freebsd.org Subject: MAJOR Problem in 2.2.5 (Related to 6x686 MMX 166 CPU) Message-ID: <XFMail.971123113243.chaos@ultra.net.au>
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Last week i posted about having a problem with the kernel of 2.2.5 on the boot
disk kernel panicing with this message:
fatal trap 9 general protection fault while in kernel
instruction pointer = 0x8:0xf01aad71
stack pointer = 0x10:0xefbfff98
frame pointer = 0x10:0xefbfffb0
code segment = base 0x0, limit 0xfffff, type 0x1b
DPL 0, pres 1, def32 1, gran 1
processor eflags = resume, IOPL = 0
current process = 0 ()
interrupt mask = net tty bio
panic: general protection fault
I've worked out the problem. 2.2.5 does not like my CPU. It detects it as:
CPU: i486DX (486-class CPU)
But it is really a IBM Cyrix 6x686 P166+ MMX (Bois shows it as M2-MMX-P166+)
I swaped CPU's in another machine to a Cyrix P120+ and it worked fine so i
installed FreeBSD 2.2.5 then swapped CPU's back and booted up (It booted from
2.2.2 Kernel after the upgrade). I recompiled kernel and rebooted. *BANG*
Kernel panic.
I have to load /kernel.old now because I can't boot up from the 2.2.5 Kernel..
HELP!
(As of writting I'm CVSup'ing to -current to try and fix the problem)
Regards
Simon
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