Bartlomiej Zolnierkiewicz wrote:
> Thanks. Does the following patch help?
>
> From: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
> Subject: [PATCH] ide: quirk for LG GH22LP20 DVD burner
>
> LG GH22LP20 DVD burner ("HL)DP-ST@V@-RAI CH22HP20") with firmware 1.00
> reports 0x01 ("Sequential-access device") as the peripheral device type
> instead of 0x05 ("CD-ROM device").
That looks more like a hardware problem with a flakey bit.
For example GH22LP20 with bit 2 always cleared = CH22HP20.
DVD-ROM with bit 2 sometimes cleared = @V@-RAI.
And the peripheral device type also has bit 2 cleared.
-jim
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