Srihari Vijayaraghavan wrote: > --- Tejun Heo <htejun@xxxxxxxxx> wrote: >> Srihari Vijayaraghavan wrote: >>>> Oh well, that's the price you have to pay when you 1. have a device >>>> which can't access memory above 4G but 2. don't have IOMMU to do it for >>>> the device. If performance becomes problem, you can always get a >>>> not-so-expensive external controller which can do 64. > > Can the Skymaster S3132, based on Sil3132, > (http://umart.net/au/product_info.php?cPath=21_211&products_id=106108) do 64 > bit DMA on Linux? Yeah, sil3124/32 can do 64bit alright. > If so, I'm happy to buy that to isolate whether the current problem is limited > to SB600 SATA controller alone on AMD690G chipset. I'm too. Please let me know when you find out. :-P > It'd be nice if somebody from AMD/ATI could confirm the 64 bit DMA capability > of SB600 SATA controller. (I observe a few AMD/ATI folks have been submitting > a few patches on LKML lately, so who knows.) Maybe you can cc the ATI person here if you know the address. > PS: FWIW, SB600 with your ahci fix has been working fine for the past week. > Thank you for that. Great. -- tejun - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
