Re: Kernel or patch suggestions for DMA enables Marvell Driver

[Terrence Martin <tmartin@physics.ucsd.edu>]

Terrence Martin wrote:
> Sebastian Kuzminsky wrote:
>> Terrence Martin <tmartin@physics.ucsd.edu> wrote:
>>  
>>> I have tried several development kernels to try to get the DMA 
>>> version of the  Marvell  SATA driver to work. The problem is that 
>>> other problems with the kernels have made them unsuitable for use. 
>>> For example I used the latest 2.6.14git kernel as well as the most 
>>> recent patch for 2.6.15-rc6. Both of which had problems.
>>>
>>> Could someone suggest a version of the kernel that might work, or 
>>> alternatively is it possible to extract the DMA supported driver 
>>> itself for compilation in another version? For example 2.6.14.4.
>>>
>>> The official kernel driver is the closest I have gotten to getting 
>>> this controller supported on my system. The source code from Marvell 
>>> and other sources seems to not want to compile at all.
>>>
>>> Here is the card I have from lspci
>>>
>>> 03:04.0 RAID bus controller: Marvell Technology Group Ltd. 
>>> MV88SX6041 4-port SATA II PCI-X Controller (rev 03)
>>>     
>>
>> I have a 6081 (Marvell Technology Group Ltd. MV88SX6081 8-port SATA II
>> PCI-X Controller (rev 09)), it works fine under 2.6.15-rc5.  No hotplug,
>> and a few wierd problems here and there.
>>
>> I'm getting ~55 MB/s/disk off each of 4 disks.  220 MB/s total read.
>> It slows way down when you start writing to them too, of course.
>>
>>
>>   
> Excellent, I was just about to try rc5, rc6 did not work very well at 
> all. I will post at how it works for me.
>
> Terrence

Nope it appears I have the same problem, the system hangs on reboot with 
rc5 as well as rc6.

Is it possible to grab the drivers out of the newer kernels and put them 
into one I know works like 2.6.14.4?

Terrence