On Fri, Jan 24, 2003 at 12:40:37PM -0800, David Hopper wrote:
> Hi all,
> 
> I'm getting many lost interrupt errors on my Promise ATA-66 card like the 
> following (1.6M-alpha, 600au)
> 
> cgd0: error 5
> pciide1:1:0: lost interrupt
>         type: ata tc_bcount: 8192 tc_skip: 8192
> wd1a: device timeout writing fsbn 104269264 of 104269248-104269279 (wd1 bn 
> 104269264; cn 103441 tn 11 sn 43), retrying
> pciide1:1:0: lost interrupt
>         type: ata tc_bcount: 8192 tc_skip: 8192
> wd1a: device timeout writing fsbn 104269264 of 104269248-104269279 (wd1 bn 
> 104269264; cn 103441 tn 11 sn 43), retrying
> pciide1:1:0: lost interrupt
>         type: ata tc_bcount: 8192 tc_skip: 8192
> wd1a: device timeout writing fsbn 104269264 of 104269248-104269279 (wd1 bn 
> 104269264; cn 103441 tn 11 sn 43), retrying
> pciide1:1:0: lost interrupt
> [...]
> 
> Originally, with just a Maxtor 40GB IDE drive, the 66 card was just fine. 
> I then switched the 66 out to a new Promise ATA-133 card, with the Maxtor 
> on primary and a new Western Digital 120GB drive on the second channel. 
> The 133 card would post correctly upon boot, but would fail immediately 
> after and step all the way down to PIO, eventually hanging the system. 
> Putting the ATA-66 card back in, with both drives, improves the situation 
> somewhat, but under heavy load gives me errors like the one quoted above. 
> All cables are new, as supplied by the ATA-133 controller.

"under heavy load"
maybe with an additionnal drive, your power supply is a bit short ?

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 24 ans d'experience feront toujours la difference
--