Re: IDE-CD and VT8235 issue!!!

[AnonimoVeneziano]

Patrick Petermair wrote:

>Hi!
>
>Same problem here. I have addressed this issue several times...so far no 
>solution.
>
>My specs:
>MSI KT3 Ultra2 (VT8235)
>TOSHIBA DVD-ROM SD-M1302
>YAMAHA CRW8424E
>
>Kernel 2.4.19:
>The one I'm currently using. It doesn't detect the VT8235 and therefore 
>I have no dma. But I can access/mount my DVD without a problem.
>
>Kernel 2.4.20:
>Detects the VT8235 at boot but hangs with my DVD Rom (hdc) --> doesn't 
>boot. I have posted my problem here an Alan Cox suggested that I should 
>try the -ac tree.
>
>Kernel 2.4.20-ac2:
>Some improvements - It detects the VT8235 at boot, also my DVD and CDRW. 
>It boots fine and I have DMA on all my discs. But as soon as I try to 
>mount a CD/DVD (mount /cdrom) the system hangs and I get this:
>
>hdc: status timeout: status=0xd1 { Busy }
>hdc: status timeout: error=0x60LastFailedSense 0x06
>hdc: DMA disabled
>hdc: ATAPI reset timed-out, status=0x80
>hdd: DMA disabled
>ide1: reset: success
>hdc: status timeout: status=0x80 { Busy }
>hdc: status timeout: error=0x01IllegalLengthIndication
>hdc: ATAPI reset timed-out, status=0xd1
>ide1: reset: success
>hdc: status timeout: status=0x80 { Busy }
>hdc: status timeout: error=0x01IllegalLengthIndication
>end_request: I/O error, dev 16:00 (hdc), sector 0
>hdc: status timeout: status=0xd0 { Busy }
>
>and so on...
>
>My guess is the DVD-drive. I know many people with the same southbridge 
>(VT8235), who have dma since 2.4.20 an no problem at all at boot-time 
>or mounting a CD/DVD.
>
>Any hints?
>
>Patrick
>
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Please, anyone help us, I can't live with a 6 MB HD bandwith!!!:-D

Ciao