<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [drm:si_dpm_set_power_state] *ERROR* si_disable_ulv failed" href="https://bugs.freedesktop.org/show_bug.cgi?id=82889#c7">Comment # 7</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [drm:si_dpm_set_power_state] *ERROR* si_disable_ulv failed" href="https://bugs.freedesktop.org/show_bug.cgi?id=82889">bug 82889</a> from <a class="email" href="mailto:sibradzic@gmail.com" title="Samir Ibradžić <sibradzic@gmail.com>"> Samir Ibradžić</a> <pre>I see this happening on Radeon HD 7950, kernel 3.13, which has the radeon dpm enabled by dafault. It is intermittent, happens on ~30% boots, and causes hang followed by reboot (no panic or oops msgs). Unfortunately, I could only catch the dmesg output via serial, when my machine hangs, kernel logs are not even saved to the disk. Now, I see "[drm:si_dpm_set_power_state] *ERROR* si_disable_ulv failed" on serial only when ignore_loglevel kernel parameter is unset. Machine will hang ad reboot each time I spot it. I attached here the dmesg with ignore_loglevel and drm.debug=1 params, both failure and ok cases, for comparison. When failing, the machine just hangs breefly, and reboots, right after "[drm] pitch is 7680" message. With radeon.dpm=0 parameter, this problem NEVER happns!</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>