Re: Kernel panic - never had one before, what do I do?

>
>
>I just got a panic. As I have never had one before, I don't know what to 
>do. It's on another system so I don't have to reboot immediately (that 
>would solve the problem temporarily, wouldn't it?) if someone would give 
>me some advice, I could try to help debug it; however, as I'm not a 
>coder (not a real one anyway), I don't know how much help I would be.
>

<me to>

I've got a nasty one booting with today's current. Think I vaguely 
recall seeing it before, so sorry if this is known. I'm gathering this 
data using the pen 'n paper approach, so if its not exactly right, you 
knwo why:

ad4 READ Command timeout tag=0 serv=0 -resetting
ata2: resetting devices

Fatal trap 12: page fault while in kernel mode
fault virtual address: 0x0
fault code: supervisor read, page not present
instr pointer: 0x8:0xC0160441                            [note this is a 
custom kernel]
stack pointer: 0x10:0xd1d6fc84
frame pointer: 0x10:0xd1d6fc8c
code segment: base 0x0 limit 0xfffff type 0x1b
                       DPL 0, pres 1, defy2 1, gron 1
processor effage: interrupt enabled, rswen, IOPC=0
current process = 12 (swi7: tty:sio check)
kernel:   type 12 trap, code = 0

stopped at reinit_bus+0xb:   movl[something i can't read] 0(%esi), %eaf

db> trace                [i saw someone else do this]
reinit_bus(0,2,c11f0c00, d1d6fcbc, c0146462) at reinit_bus+0x0
atapicam_reinit_bus(c11f0c00, 1, c338da80, c3470800, c015732c) at 
atapi_cam_reinit_bus+0x13
ata_reinit(c11f0c00, 7, c338da0, d1d6fcf0, c024c071) at 
ata_reinit+[something - possibly 0x34c]
[more stuff - losing the will to live at this stage]

Hope that helps somebody, shame i can't read my own writing.

Mark