Messages in this thread | | | Date | Thu, 31 Jul 2008 09:00:10 +0800 | From | gshan <> | Subject | Re: PIIX4: DMA timeout issue |
| |
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 >
| |