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

[Adam Funk <a24061@yahoo.com>]

lroy@ccsi.com wrote:

> On Mon, Jun 06, 2005 at 04:17:21PM +0100, Adam Funk wrote:
>> # hdparm /dev/hda
>> 
>> /dev/hda:
>>  IO_support   =  0 (default 16-bit)
>>  unmaskirq    =  0 (off)
>>  using_dma    =  0 (off)
>>  keepsettings =  0 (off)
>>  readonly     =  0 (off)
>>  readahead    = 256 (on)
>>  HDIO_GETGEO failed: Invalid argument
>> 
> You have unmaskirq and dma turned off, and IO support set to 16-bit.
> 
> Try this: hdparm -c1 -d1 -u1 /dev/hda

# hdparm -c1 -d1 -u1 /dev/hda 

/dev/hda:
 setting 32-bit IO_support flag to 1
 setting unmaskirq to 1 (on)
 setting using_dma to 1 (on)
 HDIO_SET_DMA failed: Operation not permitted
 IO_support   =  1 (32-bit)
 unmaskirq    =  1 (on)
 using_dma    =  0 (off)

# hdparm /dev/hda 

/dev/hda:
 IO_support   =  1 (32-bit)
 unmaskirq    =  1 (on)
 using_dma    =  0 (off)
 keepsettings =  0 (off)
 readonly     =  0 (off)
 readahead    = 256 (on)
 HDIO_GETGEO failed: Invalid argument

Not quite there!  I'll check the cable too.