<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [HSW/BYT/BDW Bisected ]system sporadically boot fail" href="https://bugs.freedesktop.org/show_bug.cgi?id=81140#c16">Comment # 16</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED --- - [HSW/BYT/BDW Bisected ]system sporadically boot fail" href="https://bugs.freedesktop.org/show_bug.cgi?id=81140">bug 81140</a> from <a class="email" href="mailto:lei.a.liu@intel.com" title="liulei <lei.a.liu@intel.com>"> liulei</a> <pre>(In reply to <a href="show_bug.cgi?id=81140#c15">comment #15</a>) > Created <a href="attachment.cgi?id=102667" name="attach_102667" title="Trace fb comings and goings">attachment 102667</a> <a href="attachment.cgi?id=102667&action=edit" title="Trace fb comings and goings">[details]</a> <a href='page.cgi?id=splinter.html&bug=81140&attachment=102667'>[review]</a> [review] > Trace fb comings and goings > > Try this patch to see what tale it gives for the efifb. There is nothing different output. If i translate output to serial port output will show as below: [ 26.895983] ACPI: Power Button [PWRF] [ 26.898922] [drm] Memory usable by graphics device = 4096M [ 26.898923] [drm] Replacing VGA console driver [ 27.449211] fb: switching to inteldrmfb from EFI VGA [ 27.509560] Unregistering EFI VGA framebuffer [ 27.509577] Console: switching to colour dummy device 80x25</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> </ul> </body> </html>