Re: IDE CDROM locks the system hard on media error

Stanislav Meduna (stano@meduna.org)
Mon, 24 Dec 2001 22:28:25 +0100 (CET)

Hello,

> > I am using vanilla 2.4.17, hdc=ide-scsi, my drive is Mitsumi CR-4804TE,
> > motherboard is Abit BP6 SMP, Intel PIIX4 IDE controller.
>
> Does turning off or restricting the DMA mode using either
> one of these help?
> hdparm -d0 -c1 /dev/hdc

This seems to help - I tried the most problematic CD several times,
got the error messages, but it did not froze.

Thanks - I didn't even know that it defaults to DMA on CD-ROMs...

> hdparm -d 1 -X 34 /dev/hdc

This drive cannot do more than mdma1 (at least according to hdparm -i).

Regards

-- 
                                       Stano


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