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Bug#330176: linux-image-2.6.12-1-686-smp: dma does not work for cd-r/rw drives

On Mon, Sep 26, 2005 at 09:33:11AM -0500, Jason Martens wrote:
> Package: linux-image-2.6.12-1-686-smp
> Version: 2.6.12-6
> Severity: normal
> With this linux-image, DMA does not work with my cdrom burners.  If I
> try to enable it, I get the following message:
> morpheus:~# hdparm -d1 /dev/hdb
> /dev/hdb:
> setting using_dma to 1 (on)
> HDIO_SET_DMA failed: Operation not permitted
> using_dma    =  0 (off) 
> I also have a custom built kernel, with DMA working with both
> cd-r/rw drives.  If anyone is interested in seeing my .config to find
> out what modules need to be added, I will gladly send it to them.  I am
> not sure myself how to figure out what the missing kernel module/option
> is.

Yes, please send your config, dmsg from a working and non-working boot,
and the output of lspci -vv



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