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Re: Can't burn CDs at a reasonable speed (cdrecord, 2.6.11 kernel).

David E. Fox wrote:

> On Tue, 07 Jun 2005 14:37:21 +0100
> Adam Funk <a24061@yahoo.com> wrote:
>> Not quite there!  I'll check the cable too.
> Funny, I seem to get the same eror, and my cables are good. My /dev/hdc
> is a Toshiba SD-1312, and reading DVDs & CDs, writing CDs (it's a combo
> DVD-R/CDRW) has worked fine.
> /dev/hdc:
>  IO_support   =  1 (32-bit)
>  unmaskirq    =  1 (on)
>  using_dma    =  1 (on)
>  keepsettings =  0 (off)
>  readonly     =  1 (on)
>  readahead    = 256 (on)
>  HDIO_GETGEO failed: Invalid argument
> My guess is that this ioctl is responsible for getting the geometry of
> a drive (heads, sectors, etc.) and it's a bit difficult to do so
> without a disk in the drive :). But throwing a disk in the drive
> doesn't alter the output. I figure it's a pointless query on a CD or DVD
> drive.

I changed the cable -- carefully seating the plugs at both ends -- and am
still getting the same results.  I don't care about the "Invalid argument"
but I can't get DMA to switch on.

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