Re: PIIX4: DMA timeout issue

[gshan]

Bartlomiej Zolnierkiewicz wrote:
> On Wednesday 30 July 2008, gshan wrote:
>
> [...]
>  
>   
> > The IRQ routing issue has been fixed. IRQ routing system
> > on my board is somewhat complicated: i8259->mlba (FPGA based
> > PCI device)->MV64460(system controller). I forgot to set MV64460
> > IRQ pin to level sensitive and edge sensitive was used, which caused
> > interrupt lost finally. After changing this to level sensitive, everything
> > seems fine. Now, the problem isn't interrupt lost, but suspending DMA
> > operations.
> >     
>
> Thanks for explaining this.
>
>   
> > > Also is the problem still present in 2.6.26 or 2.6.27-rc1?
> > >
> > > [ I don't see an information about the kernel version that is
> > >   being used in either of threads? ]
> > >   
> > >       
> > Sorry, I'm using 2.6.21 kernel.
> >     
>
> Would be great to try with some recent one, the issue may have been
> fixed already (which is quite likely given a number of bugfixes that
> went in recent kernels).
>   
I tried to searched in bugzilla.kernel.org and didn't find
there has fix on this issue. Yesterday, Jeff suggested me
to turn to ata driver for PIIX4. I tried this yesterday but still
have some problems to make PIIX4 workable under ata
driver. I will continue working on this today.

Gavin

> Thanks,
> Bart
>   

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/