James Tappin wrote:
> On Sat, 30 Apr 2005 11:41:13 +0200
> Johannes Raspe <[EMAIL PROTECTED]> wrote:
>
> JR> > To what? -- I have a rather similar problem on Ubuntu with an
> JR> > iBook.
> JR> >
> JR> > James
> JR> >
> JR> Hi,
> JR>
> JR> it seems that issuing a "hdparm -d1 -X udma1" solved my problem. I
> JR> think the kernel put the cdrw in udma2 mode, which caused the
> JR> erratic behaviour. I made this permanent by editing
> JR> "/etc/hdparm.conf" like this:
> JR>
> JR> /dev/hdc {
> JR> � � � � dma = on
> JR> � � � � transfer_mode = udma1
> JR> }
> JR>
> JR> Hope this helps.
>
> I think that's done the trick -- I got a CDROM icon in a sane amount of
> time and was able to mount, unmount and eject the CD. In fact I think
> the icon appeared on the desktop quicker than under OSX:-)
>
> By default DMA was off for the CD.
>
> James
>
Sorry,
but I today the same problem reappeard.
It seems to have something to do with "hdc: lost interrupt" messages in my
kernel-log.
Johannes
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