From owner-freebsd-current  Mon Oct 11  3:15:45 1999
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Message-ID: <3801B89C.5DDD29D9@altavista.net>
Date: Mon, 11 Oct 1999 13:14:53 +0300
From: Maxim Sobolev <sobomax@altavista.net>
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To: current@freebsd.org
Subject: ATA related panic
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It seems that ATA is broken - it paniced when kernel is booting. Following is
diagnostic output:

isa0: <ISA bus> on motherboard
pccard0: <PC Card bus -- KLUDGE version> on motherboard

Fatal trap 12: page fault while in kernel mode
fault virtual address    = 0xc
fault code                  = supervisor read, page not present
instruction pointer      = 0x8:0xc01ca927
stack pointer              = 0x10:0xc032fe14
frame pointer              = 0x10:0xc032fe28
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           = 0 (swapper)
interrupt mask            = net tty bio cam
trap number                = 12
panic: page fault

First I think that this is pccard breakage, but look into "nm /kernel" gave me
following symbols around 0xc01ca927:

c01ca8b4 t ata_isaprobe
c01ca8b4 t gcc2_compiled.
c01ca9c0 t ata_isaattach
c01caa58 t ata_pcimatch
c01cabe0 t ata_pciprobe
c01cac0c t ata_pciattach
c01cb0a0 t ata_probe
c01cb3a0 t ataintr
c01cb42c T ata_start
c01cb570 T ata_reset
c01cb6b0 T ata_reinit
c01cb79c T ata_wait

So, I've recommpiled my kernel with wd0 instead and its working now.

-Maxim



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