[Debburn-devel] Problem with Samsung CDRW/DVD SM-308B

[Eduard Bloch]

#include <hallo.h>
* John Talbut [Wed, May 02 2007, 12:55:28PM]:
> I understand that this may be the list on which to ask about this.
> 
> I have reported this as a kernel bug
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=416388 since my research 
> seemed
> to suggest that that is what it is.

I have few ideas, but only fuzzy ones:

 - try setting the magic CDR_NODMATEST variable to something. Make sure
   the value is exported to the particular environment where the burn
   program runs, i.e. setting it in a terminal and starting k3b or so
   from the GUI menu is a stupid idea.

 - try the same drive with the same media on an USB2.0 adapter. You can
   get cheaper ones for 10€ or so, including PSU.

 - something is wrong with your IDE driver. Maybe there is no native
   driver for your chipset at all? I would expect messages like in the
   example below, but there are none. I assume that the generic PCIIDE
   driver is used instead, not sure.

 VP_IDE: IDE controller at PCI slot 0000:00:0f.1
 ACPI: PCI Interrupt Link [ALKA] enabled at IRQ 20
 ACPI: PCI Interrupt 0000:00:0f.1[A] -> Link [ALKA] -> GSI 20 (level, low) -> IRQ 20
 VP_IDE: chipset revision 6
 VP_IDE: not 100%% native mode: will probe irqs later
 VP_IDE: VIA vt8237 (rev 00) IDE UDMA133 controller on pci0000:00:0f.1
     ide0: BM-DMA at 0xd400-0xd407, BIOS settings: hda:DMA, hdb:DMA
     ide1: BM-DMA at 0xd408-0xd40f, BIOS settings: hdc:DMA, hdd:pio

 - you should really make sure that DMA mode works. I know about at
   least some Benq drives that confuse the kernel by returning answers
   which are not appropriate for non-DMA mode _while_ running in non-DMA
   mode.

Regards,
Eduard.

-- 
<alphascorpii> Lasst uns die komplizierte route nehmen, die ist etwas
	einfacher...