Re: [PATCH 3/5] sata_dwc: Add support ATAPI transfer

[Sergei Shtylyov]

Hello.

On 10-05-2012 14:12, Thang Q. Nguyen wrote:

> Thanks for quick response,
> I do not mean user use fdisk command on CD/DVD. However, whenever using 'fdisk
> -l' command, the system will access each first sector on each SCSI device
> (including CD/DVD on it) and the DMA transfer on blank CD/DVD will not return
> any data.

   Shouldn't the drive return error status in this case?

> The timeout is detected and error handler will be called.

   But user may also run 'hdparm -t' or even 'dd' with offset on a drive. 
Have you tried your workaround with those?

> Using PIO on some first sectors will avoid the issue.

> Regards,
> Thang Nguyen -

MBR, Sergei
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