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Date: Fri, 6 Aug 2004 18:22:45 +0200
From: Radek Kozlowski <radek@raadradd.com>
To: current@freebsd.org
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Subject: Re: Panic on boot with today's CURRENT, ata related
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On Sun, Aug 01, 2004 at 10:43:56PM +0200, Radek Kozlowski wrote:
> I get a kernel panic on boot with today's CURRENT on my HP Pavilion
> laptop (ACPI enabled). Copied by hand:
> 
> [...]
> ad0: 38154MB <IC25N040ATMR04-0> [77520/16/63] at ata0-master PIO4
> ATAPI_RESET time = 70us
> 
> Fatal trap 12: page fault while in kernel mode
> fault virtual address	= 0x3c
> fault code		= supervisor read, page not present
> instrucion pointer	= 0x8 :0xc044990e
> stack pointer		= 0x10 :0xc0c21c8c
> frame pointer		= 0x10 :0xc0c21cc0
> 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)
> [thread 0]
> Stopped at ata-generic_transaction+0x80e:   testb   $0x1,0x3c(%eax)
> db> trace
> ata_generic_transaction(c1b25a8c,c1b25a8c,1f4,a,c1b25a8c) at
> ata_generic_transaction+0x80e
> ata_start(c1947c00,0,c06b906f,1,c1b25a8c) at ata_start+0x279
> ata_queue_request(c1b25a8c,0,101,0,e2d9) at ata_queue_request+0x1fc
> ata_controlcmd(c1947ca8,8,0,0,0) at ata_controlcmd+0x8b
> ata_identify_devices(c1947c00,1,c18418b0,c0705410,c0c21d80) at
> ata_identify_devices+0x162
> ata_boot_attach(0,0,c0c21d80,c05181c6,0) at ata_boot_attach+0x2f
> run_interrupt_driven_config_hooks(0,c1e000,c1ec00,c1e000,0) at
> run_interrupt_driven_config_hooks+0x1c
> mi_startup() at mi_startup+0x99
> begin() at begin+0x2c
> 
> I wish there was a spell checker for things like this.
> 
> Maybe this panic is in some way related to what I've previously reported
> here:
> http://lists.freebsd.org/mailman/htdig/freebsd-current/2004-June/029440.html
> 
> -Radek

Would anyone care to comment on this? Thanks in advance.

-Radek