Re: Promise IDE DMA issue

[Joel Cant]

John Wong wrote:

> Latest 1.009 BIOS flashed last night.  I'll try out some BIOS settings, 
> but the settings work fine with Windows XP.  That's why I think it could 
> be something with the driver.  This is with the PDC202XX_NEW on kernel 
> 2.6.10  The DMA timeout happens sporadically, but as of yet, has yet to
> reoccur.  The change from 1.008 to 1.009 mentions nothing about the
> Promide IDE.  
>
> John
>
> On Mon, Jan 03, 2005 at 01:00:59PM -0500, Jeff Garzik wrote:
>  
>
> > John Wong wrote:
> >    
> >
> > > I recently upgraded fron a nVidia nForce2 MCP-T based A7NX-DX
> > > motherboard to an A8V DX, Via K8T800 Pro.  Now occassionally, I get 
> > > DMA issues on a drive attached to a Promise 133 TX2 controller (20269).
> > >      
> > I would try fiddling with BIOS settings, and make sure you have the 
> > latest BIOS.
> >
> > 	Jeff
> >
> >
> >
> >
> >    
Sounds simlar to the problems i'm having with the channels resetting 
under heavy load, and then fudging DMA, and i'm not the only one havign 
these issues, seems its a common problem with these cards, not sure if 
theres been some slight changes in the chip itself or wether there is a 
fault with the kernel driver, as you say, it seems that the problem does 
not occour under windows.

Joel
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