<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - Kernel Bug and X fails to start when using radeon.runpm=1" href="https://bugs.freedesktop.org/show_bug.cgi?id=71930#c13">Comment # 13</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - Kernel Bug and X fails to start when using radeon.runpm=1" href="https://bugs.freedesktop.org/show_bug.cgi?id=71930">bug 71930</a> from <a class="email" href="mailto:sotiris21papadimitriou@gmail.com" title="sotiris papadimitriou <sotiris21papadimitriou@gmail.com>"> sotiris papadimitriou</a> <pre>Same problem. My graphics cards: lspci | grep VGA 01:05.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RS880M [Mobility Radeon HD 4225/4250] 02:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Park [Mobility Radeon HD 5430/5450/5470] If radeon.runpm=0 all o.k. If manually turning off the dGPU using switcheroo then freeze Use Ubuntu 14.04 with 13.rc1</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>