On Thu, 9 Oct 2014 07:53:31 +0100 Chris Wilson <ch...@chris-wilson.co.uk> wrote:
> # cat /proc/mtrr > reg00: base=0x000000000 ( 0MB), size= 2048MB, count=1: write-back > reg01: base=0x080000000 ( 2048MB), size= 256MB, count=1: write-back > reg02: base=0x08e000000 ( 2272MB), size= 32MB, count=1: uncachable > reg03: base=0x08d000000 ( 2256MB), size= 16MB, count=1: uncachable > reg04: base=0x100000000 ( 4096MB), size= 2048MB, count=1: write-back > reg05: base=0x170000000 ( 5888MB), size= 256MB, count=1: uncachable > reg06: base=0x16f000000 ( 5872MB), size= 16MB, count=1: uncachable > reg07: base=0x16e800000 ( 5864MB), size= 8MB, count=1: uncachable > reg08: base=0x16e600000 ( 5862MB), size= 2MB, count=1: uncachable > Well that's what the kernel thinks is in every CPU. Could you try installing x86info and running "x86info --mtrr --all-cpus" while running the broken kernel? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/