Reproducible panic in -CURRENT

[Jimmy Selgen]

On Mon, 2004-11-15 at 16:35 +0100, Frode Nordahl wrote:

> ad4: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=67200479
> ad4: FAILURE - WRITE_DMA timed out
> g_vfs_done():ad4s1f[WRITE(offset=16958308352, length=16384)]error = 5
> panic: initiate_write_inodeblock_ufs2: already started
> cpuid = 0
> boot() called on cpu#0
> Uptime: 18m7s

This looks an awful lot like the error i'm getting when waking one of my
disks from powersave (bios hd spin down), although mine will just give
me a "Bad file descriptor" and then wait with the panic until i reboot.

Strange thing though is that it's only happening with my maxtor disk,
not my WD1600 drive. Both spin down, but only the WD "survives". Perhaps
the WD is just faster at spinning up so the timeout never occurs.

/Jimmy