On Tue, Dec 11, 2001 at 09:19:38PM +0100, Ulrich Habel wrote:
> Hi,
> 
> 
> according to the FAQ this has been fixed in the current kernel.
> My G4/533 Mhz just crashed with that error:
> 
> wdc0:0:0: lost interupt
> 	 type ata tc_bcount: 1024 tc_skip: 0
> wdc0:0:0: intr with DRQ (st=0x58)
> wd0f: device timeout writing fsbn 3120772 of 3120772-3120773 
>       (wd0 bn 22577188; cn 22398 tn 0 sn 4), retrying
> 
> [..messages repeats..]
> 
> wd0: transfer error, downgrading to Ultra-DMA mode 2
> ata4 conf = 0x11328ca, cyc = 8 (55ns), act = 0 (0 ns), inact = 6
> wd0(wdc0:0:0): using PIO mode 4, DMA mode 2, Ultra-DA mode 2(Ultra/33)
> (using DMA data transfers)
> wd1(wdc0:0:1): using PIO mode 4, DMA mode 2, Ultra-DA mode 2(Ultra/33)
> (using DMA data transfers)
> wd0f: device timeout writing fsbn 3120772 of 3120772-3120773 
>       (wd0 bn 22577188; cn 22398 tn 0 sn 4), retrying
> 
> the only way to get the kernel back up is to restart the G4.

Do you get this everytime you try to write, or only once in a while ?
What happens if you let the drive downgrade to even lower modes ?

--
Manuel Bouyer <bouyer@antioche.eu.org>
--