Keith Packard <keithp at keithp.com> schrieb: > On Mon, 26 Dec 2011 01:43:37 +0100, Kai Krakow <hurikhan77 at gmail.com> > wrote: > >> I didn't have such issues with early 3.2 rcs (afair), and not with 3.1 >> kernels. After some digging through google I've found you enabled RC6 in >> 3.2. I disabled it now, and my system runs wonderfully. > > Argh. Can you try building a kernel with VT-d support? I assume you > can't turn VT-d off in the BIOS as it's UEFI? kakra at jupiter ~ $ zgrep -i iommu /proc/config.gz CONFIG_GART_IOMMU=y # CONFIG_CALGARY_IOMMU is not set CONFIG_IOMMU_HELPER=y CONFIG_IOMMU_API=y CONFIG_IOMMU_SUPPORT=y # CONFIG_AMD_IOMMU is not set CONFIG_INTEL_IOMMU=y CONFIG_INTEL_IOMMU_DEFAULT_ON=y CONFIG_INTEL_IOMMU_FLOPPY_WA=y # CONFIG_IOMMU_DEBUG is not set # CONFIG_IOMMU_STRESS is not set So kernel vt-d support is on. Not sure what to look for in dmesg thou... I didn't look into the BIOS settings yet, but usually if there is such an option I turn it on because I use virtual machines. Regards, Kai
