* re: skge error; hangs w/ hardware memory hole (was re: X86_64 + VIA + 4g problems) [not found] <S935347AbWKZLoQ/20061126114416Z+54@vger.kernel.org> @ 2006-11-26 12:09 ` Howard Chu 0 siblings, 0 replies; only message in thread From: Howard Chu @ 2006-11-26 12:09 UTC (permalink / raw) To: linux-kernel References: <20060703205238.GA10851@deprecation.cyrius.com> <p73bqyufo97.fsf@verdi.suse.de> Just to tie up a loose end... I tested Andi Kleen's new patch for this issue on 2.6.18.3. While the patch didn't automatically detect the VIA chipset in my Asus A8V Deluxe, it allowed me to manually set a boot option that fixes the problem (by disabling DMA to addresses over 4GB). The fix is essentially the same as Andi posted here http://groups.google.com/group/linux.kernel/msg/b1e820ef0212ee5e although you have to patch pci-dma.c now, not pci-gart.c. As another note - with my AGP aperture set to only 64MB, 3904MB are visible. With the aperture set to 256MB, the full 4096MB are visible. -- -- Howard Chu Chief Architect, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc OpenLDAP Core Team http://www.openldap.org/project/ ^ permalink raw reply [flat|nested] only message in thread
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2006-11-26 12:09 ` skge error; hangs w/ hardware memory hole (was re: X86_64 + VIA + 4g problems) Howard Chu
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