Re: 5.3-BETA1 panic

On Mon, Aug 23, 2004 at 05:26:52PM +0100, Ceri Davies wrote:
> 
> Yesterday's RELENG_5 fails to boot on my laptop.  The previous kernel
> from August 11th is fine.  Panic message attached - let me know if I can
> help further.

[snip]

> ad0: 28615MB <IC25N030ATMR04-0/MOAOAD0A> [58140/16/63] at ata0-master UDMA100
> 
> 
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address   = 0x24
> fault code              = supervisor read, page not present
> instruction pointer     = 0x8:0xc06513b6
> stack pointer           = 0x10:0xc0c21ba4
> frame pointer           = 0x10:0xc0c21ba4
> 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      rman_get_bustag+0x6:    movl    0x24(%eax),%eax
> db> trace
> rman_get_bustag(0) at rman_get_bustag+0x6
> ata_pci_dmastart(c14a0c00) at ata_pci_dmastart+0x14
> ata_generic_transaction(c15b6b40) at ata_generic_transaction+0x2b3
> ata_start(c14a0c00,c14a0d20,0,c07feb5b,57) at ata_start+0x17f
> ata_queue_request(c15b6b40,c062ff7c,c14a0d20,1,c082d4e9) at ata_queue_request+0x185
> ad_start(c14a0ca8) at ad_start+0x2a2
> ata_start(c14a0c00,c1554d00,0,0,c0c21cb0) at ata_start+0x64
> adstrategy(c1554d00) at adstrategy+0x61
> ar_rw(c155ed80,37e3e01,800,c1593800,5) at ar_rw+0x8d
> ar_promise_read_conf(c155ed80,c1521700,1,c155ed80,10b9) at ar_promise_read_conf+0xb7
> ata_raiddisk_attach(c155ed80,c155ed80,c155ed00,58561059,0) at ata_raiddisk_attach+0x18c
> ad_attach(c14a0ca8) at ad_attach+0x2a0
> ata_boot_attach(0) at ata_boot_attach+0x40
> run_interrupt_driven_config_hooks(0,c1ec00,c1e000,0,c0441a15) at run_interrupt_driven_config_hooks+0x18
> mi_startup() at mi_startup+0x96
> begin() at begin+0x2c
> db> 

I think you'll need to wait for the MFC of this commit:
http://lists.freebsd.org/pipermail/cvs-src/2004-August/030101.html. I
bet CURRENT will work for you.

-Radek