<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - SKL screen flicker and dmesg [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun" href="https://bugs.freedesktop.org/show_bug.cgi?id=103229#c41">Comment # 41</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - SKL screen flicker and dmesg [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun" href="https://bugs.freedesktop.org/show_bug.cgi?id=103229">bug 103229</a> from <a class="email" href="mailto:ville.syrjala@linux.intel.com" title="Ville Syrjala <ville.syrjala@linux.intel.com>"> Ville Syrjala</a> <pre>(In reply to Lakshmi from <a href="show_bug.cgi?id=103229#c40">comment #40</a>) > (In reply to Graham Northup from <a href="show_bug.cgi?id=103229#c39">comment #39</a>) > > > > Can you please attach the dmesg from boot with drmtip? > > > > > > Latest drmtip can be found here (<a href="https://cgit.freedesktop.org/drm-tip">https://cgit.freedesktop.org/drm-tip</a>). > > > > Let me know if you need any more information; the .config was olddefconfig'd > > from the host 5.1.3 kernel, which is itself defconfig plus some (so it's a > > bit chunky). > > > > To confirm, uname -a said on this boot: > > Linux arvarnelios 5.2.0-rc1-drmtip+ #2 SMP Thu May 23 15:54:35 EDT 2019 > > x86_64 GNU/Linux > > > > ...the drm-tip repo was on commit db92db5... . > > > > (Sorry about the spam!) > > Hi, to me this looks a different bug than thye original bug report. > From dmesg I can see like this > 3.942231] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* > uncleared pch fifo underrun on pch transcoder A > [ 3.942342] [drm:cpt_irq_handler [i915]] *ERROR* PCH transcoder A FIFO > underrun > > This issue could be a duplicate of <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][HSW only] *ERROR* PCH transcoder A FIFO underrun | *ERROR* uncleared pch fifo underrun on pch transcoder A" href="show_bug.cgi?id=102614">Bug 102614</a>. > > @Ville, can you correct me if I am wrong. No idea. No drm.debug=0xe used so can't see anything particularly useful from the log.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>