On Fri, Apr 19, 2013 at 11:16:36AM +0200, Jiri Slaby wrote: > Hi, with today's -next I got this: > > [drm] capturing error event; look for more information in > /sys/kernel/debug/dri/0/i915_error_state > i915: render error detected, EIR: 0x00000010 > i915: page table error > i915: PGTBL_ER: 0x00000002 > [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: 0x00000010, masking > i915: render error detected, EIR: 0x00000010 > i915: page table error > i915: PGTBL_ER: 0x00000002 These feel like they are becoming more common, though we have had reports of this style of error since the dawn of time. The error means that the CPU accessed an invalid PTE - so the most likely a missing mb or chipset flush. -Chris -- Chris Wilson, Intel Open Source Technology Centre