Subject: Re: IDE Breakage in 1.5
To: Curt Sampson <>
From: Manuel Bouyer <>
List: current-users
Date: 02/07/2001 08:27:26
On Tue, Feb 06, 2001 at 10:59:26PM -0500, Curt Sampson wrote:
> I've got a machine with a P5A motherboard, which has an Aladdin 5
> chipset. It's been running versions of NetBSD from 1.4 through late
> current last year (somewhere between 1.4N and 1.4X--I don't remember
> the exact version, sorry) without problems.
> I just upgraded it to 1.5. I noticed some worrisome messages on
> the console at boot about a read error and downgrading to UltraDMA
> mode 2. But I reckoned these were harmless. (I didn't get them with
> 1.4, however.)

Mode 1, isn't it ? The chipset can at best do mode 2.

> nfortunately, now it seems that these were not so harmless as I'd
> hoped. I was just untarring a moderately large file (16 MB) when
> I got:
> tar: Could not create directory barcode/webserver/output/apache/include/xml : Input/output error
> Now I can no longer log in to the machine. I'll have to wait 'till
> tomorrow to see what's on the console, as it's at the office, but
> I'm suspecting some sort of explosion in the IDE driver.
> Does anyone know what might have changed that could cause this sort
> of problem? Are there any patches I should be looking at trying?
> (I'm not particularly interested in moving to current at the moment,
> given that I'm wanting to move a CVS repository to this machine
> and need a really reliable system.)

Did you change any hardware at the same time ?
The machine I'm typing this has a P5A, and never noticed any problems other
than not being able to do UDMA mode 2 with Ultra/66 or Ultra/100 drives
(works fine with Ultra/33 drives).

Manuel Bouyer, LIP6, Universite Paris VI.