On Wed, May 13, 2015 at 11:53:19AM +0200, Jan Niehusmann wrote: > Hi, > > On Wed, May 13, 2015 at 12:14:39PM +0300, Jani Nikula wrote: > > Is this the same as https://bugzilla.kernel.org/show_bug.cgi?id=98141 ? > > The visible effect in the video is similar to what I see on the LVDS > display. I also see some influence of the mouse pointer position on the > blanked areas. > > The effect on the external screen is more like single scan > lines jumping to the right and back, at a high (but still visible) > frequency. > > What I'm missing in the report, are some log entries I'm seeing on my > notebook: > > Apr 30 08:50:23 localhost kernel: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO underrun > Apr 30 08:50:23 localhost kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder B FIFO underrun > Apr 30 08:50:29 localhost kernel: [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun > Apr 30 08:50:29 localhost kernel: [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH transcoder A FIFO underrun hi, I also have the similar entries in my dmesg, though my problem is a little different from yours and my bisect lead to another commit. And that also is still not fixed (last tested with 4.0). http://patchwork.freedesktop.org/patch/46071/ regards sudip > > Jan > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel