<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [bdw regression 4.8] Severe graphics regression, rainbow glitching and flickering on Intel Broadwell 5500U integrated graphics" href="https://bugs.freedesktop.org/show_bug.cgi?id=97918#c50">Comment # 50</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [bdw regression 4.8] Severe graphics regression, rainbow glitching and flickering on Intel Broadwell 5500U integrated graphics" href="https://bugs.freedesktop.org/show_bug.cgi?id=97918">bug 97918</a> from <a class="email" href="mailto:jari.tahvanainen@intel.com" title="Jari Tahvanainen <jari.tahvanainen@intel.com>"> Jari Tahvanainen</a> <pre>(In reply to kxra from <a href="show_bug.cgi?id=97918#c49">comment #49</a>) > okay, I have just upgraded to kernel 4.12.5 and the screen tearing / > flickering still makes the system unusable but it isn't constant as before. > not sure if this is connected to a change or just cooincidence, since the > problem is still present This bug is about flickering in BDW - this case is related to KBL based on <a href="show_bug.cgi?id=97918#c48">comment 48</a> - let's not mix these. <a href="mailto:kxra@riseup.net">kxra@riseup.net</a> , please provide dmesg having drm.debug=0x1e log_buf_len=1M used on kernel command line (see <a href="https://01.org/linuxgraphics/documentation/how-report-bugs">https://01.org/linuxgraphics/documentation/how-report-bugs</a>) into one of the bugs given below query. Or if none of below bugs apply then please create new one for KBL. <a href="https://bugs.freedesktop.org/buglist.cgi?bug_status=UNCONFIRMED&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&bug_status=RESOLVED&bug_status=VERIFIED&bug_status=NEEDINFO&bug_status=PLEASETEST&component=DRM%2FIntel&f1=cf_i915_platform&list_id=621946&longdesc=flick&longdesc_type=substring&o1=substring&product=DRI&query_format=advanced&v1=KBL">https://bugs.freedesktop.org/buglist.cgi?bug_status=UNCONFIRMED&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&bug_status=RESOLVED&bug_status=VERIFIED&bug_status=NEEDINFO&bug_status=PLEASETEST&component=DRM%2FIntel&f1=cf_i915_platform&list_id=621946&longdesc=flick&longdesc_type=substring&o1=substring&product=DRI&query_format=advanced&v1=KBL</a></pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>