Subject: Re: wdc0(1): lost interrupt
To: Gunnar Helliesen <gunnar@bitcon.no>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: port-i386
Date: 01/30/1998 10:37:02
On Jan 29, Gunnar Helliesen wrote
> I'm using dump 0 piped to restore to copy a filesystem from one IDE disk
> to another. I got these messages on the console:
> 
> 
> wdc0(1): lost interrupt
>         type ata
>         c_bcount: 2048
>         c_skip: 0
> wdc0(1): lost interrupt
>         type ata
>         c_bcount: 2048
>         c_skip: 0
> 
> 
> Does this mean loss of data? What happened? The disk in question is a
> brand new Seagate Medalist ST32122A.

This means that the driver waited for an interrupt and it never happened
(This is a known problem with the IDE driver under heavy load).
So the command has been retried. No data loss, these timeout/retries just slow
down things a bit.

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
--