Re: Kernel Panic sata_promise with atapi on dual Opteron

[Albert Lee <albertcc@tw.ibm.com>]

Dave Stubbs wrote:

> Hello Jeff,
> 
> Don't know if you've seen this before, but I thought I should mention it 
> since I seem to be able to reproduce it quite reliably.
> 
> I am trying to get my new Plextor SATA DVD-RW drive working under 
> linux.  I have it hooked up to a Promise SATAII150 TX4 controller, which 
> sees it ok during BIOS init.  The system this is all running on is a 
> Dual Opteron 246 system on a Tyan Tiger motherboard.
> 
> If I enable ATAPI support in include/linux/libata.h and recompile the 
> kernel, I get the following when the module tries to load:
> 
> Kernel Bug at sata_promise:468
> invalid operand 0000 [1] SMP
> 
> and then the kernel panics.
> 
> This happens the same with 2.6.11.8, 2.6.11.9, and 2.6.11-gentoo-r6.  It 
> also happens whether sata_promise is compiled as a module or integrated.
> 
> Does this give enough information to make heads or tails of this?
> Thanks very much for your time,
> 
> Dave...
> -

Since the machine is x86-64, I guess this is caused by the sg_dma_len() issue as in:
http://marc.theaimsgroup.com/?l=linux-ide&m=111113103410355&w=2

Albert