5.2-CURRENT panic on startup after cvsup: probably recent ATA

Jeffrey Katcher jmkatcher at yahoo.com
Mon Jan 12 09:17:44 PST 2004

System: IBM Thinkpad T40 happily running -CURRENT up to cvsup 1/11 
Note: cvsup 1/12 doesn't fix it

On start:
ata-slave: TIMEOUT - ATAPI_IDENTIFY retrying (3 retries left) LBA=0

Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x36
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc0428bb3
stack pointer = 0x10:0xc0821d0c
frame pointer = 0x10:0xc0821d34
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)
kernel: type 12 trap, code=0
Stopped at ata_getparam+0xad: movzbl 0x36(%edx),%eax

ata_getparam(c406f4d8,a1,c406f400,c0821d60,c04290f1) at ata_getparam+0xad
ata_identify_devices(c406f400,1,0,c0611590,c0821d80) at
ata_boot_attach(0,0,c0821d80,c04b476f,0) at ata_boot_attach+0x2e
run_interrupt_driven_config_hooks(0,81e000,81ec00,81e000,0) at
mi_startup() at mi_startup+0xa0
begin() at begin+0x2c

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