I was bitten by this bug all last week while running latest kernels on my laptop at KVMForum. I then found the bug was also reported here: https://bugzilla.kernel.org/show_bug.cgi?id=151731 Andrea Arcangeli (1): drm: i915: don't use OpRegion for XPS 13 IvyBridge drivers/gpu/drm/i915/intel_opregion.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel