<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [ILK/SNB/IVB]igt/testdisplay causes *ERROR* Pipe A FIFO underrun" href="https://bugs.freedesktop.org/show_bug.cgi?id=74102#c35">Comment # 35</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [ILK/SNB/IVB]igt/testdisplay causes *ERROR* Pipe A FIFO underrun" href="https://bugs.freedesktop.org/show_bug.cgi?id=74102">bug 74102</a> from <a class="email" href="mailto:uwe@laverenz.de" title="Uwe Laverenz <uwe@laverenz.de>"> Uwe Laverenz</a> <pre>Hi, the same problem hit me with Debian Stretch on a Thinkpad X201s. As a workaround I currently use the intel driver: /etc/X11/xorg.conf.d/20-intel.conf Section "Device" Identifier "Intel Graphics" Driver "intel" Option "AccelMethod" "UXA" Option "TearFree" "true" Option "Tiling" "true" EndSection Another option might be disabling or deinstalling "tlp", but I#m not sure yet. Bug report for Debian: <a href="https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=859639">https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=859639</a> cu, Uwe</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>