Re: IDE CDROM locks the system hard on media error

From: Stanislav Meduna (stano@meduna.org)
Date: Mon Dec 24 2001 - 16:28:25 EST

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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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Next message: Manfred Spraul: "Re: <=2.4.17 deadlock (RedHat 7.2, SMP, ext3 related?) (2)"
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In reply to: Douglas Gilbert: "Re: IDE CDROM locks the system hard on media error"
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Reply: Brian Landsberger: "Re: IDE CDROM locks the system hard on media error"
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