[ltp] t43p acpi/apm advice

[Gavin W. Burris aka 86]

Do you enable DMA just by "#define ATAPI_ENABLE_DMADIR"?  I'm going to 
try it right now.

Cheers.

Maik Zumstrull wrote:
> Wolfgang Karall wrote:
> 
>>On Thu, 2005-08-11 at 10:16 +0200, Maik Zumstrull wrote:
>>
>>
>>>Correct. The Harddrives won't wake up with current kernels. Also, the
>>>DVD drive won't work (or: only in compatibility mode, i.e. no DMA).
>>>Experimental patches for both problems are available, but they won't be
>>>in mainline up to and including 2.6.13. Appearantly, it's not a priority
>>>to the kernel developers.
>>
>>Are there more recent patches for the SATA-Powermanagement available
>>than those referenced in the ThinkWiki? Because those don't help on the
>>T43p, at least in my case.
> 
> 
> If there are, I haven't found them.
> 
> 
>>About the no-DMA issue, I'm currently testing the SATA-ATAPI stuff
>>included in 2.6.12.3 (you have to enable it in includes/linux/libata.h
>>in the kernel sources) and it seems to work fine so far, haven't tried
>>burning a CD/DVD though.
> 
> 
> Yes, the ATAPI-over-SATA stuff is quite stable. SuSE and I think Fedora
> have been enabling it in their kernels for quite some time now. However,
> jgarzik still doesn't think it's ready to be enabled in mainline by
> default. He was planning on being finished...right about now, actually.
> But I don't think it will be enabled in 2.6.13. We'll see.

-- 
Gavin W. Burris aka 86
Senior Systems Programmer
Penn State Visualization Group
http://viz.aset.psu.edu/ga5in