kernel panic on SATA drive

[Jason]

You may wish to check and see if your firmware is up-to-date on all of your
disk drives, and your controller.

On Mon, Dec 21, 2009 at 10:40:10PM +0200, Alex thus spake:
>Dear John,
>
>Any progress for bellow?
>
>I have the same problem with PCI SATA Controller ST-Lab A-173 Sil3512
>It's not RAID, but when copying to HDD:
>------------LOG---------------
>ad6:FAILURE - device detached
>g_vfs_done():ad6s1f[WRITE(offset=38007275520, length=131072)]error = 6
>/usr: got error 6 while accessing filesystem
>panic: softdep_deallocate_dependencies: unrecovered I/O error
>cpuid = 0
>Uptime: 2m18s
>Physical memory: 243 MB
>Dumping 58 MB:unknown: timeout waiting to issue command
>unknown: error issuing WRITE_DMA command
>
>
>** DUMP FAILED (ERROR 5) **
>Automatic reboot in 15 seconds - press any key on the console to abort
>-----------END LOG-------------
>
>Brgrds,
>Alex
>
>> I've been having an intermittent problem, wonder if someone on the
>> list has any ideas.
>
>> First my setup:
>> FreeBSD 7.2-RELEASE (amd64)
>> quad-core Phenom processor
>> mobo: MSI K9N2G Neo
>> chipset: NVIDIA GeForce 8200, which FreeBSD recognizes as nForce (not
>> sure how that works)
>
>> I have a 3ware RAID card (RAID 1), which is the boot device.
>> A seagate drive connected via SATA
>> A WD external drive via USB
>
>> I will have the system running fine, then the seagate will apparently
>> fall off the bus, resulting in a panic.
>> The dump fails as well, presumably due to the 3ware driver not being
>> able to handle the panic? not sure...
>> If anyone knows a way I can get the dump to succeed, I'd appreciate
>> that info, too.
>> See below output for details.
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