<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [945gm] no intel_backlight on macbook 2,1 with kernel 3.15" href="https://bugs.freedesktop.org/show_bug.cgi?id=81438#c6">Comment # 6</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [945gm] no intel_backlight on macbook 2,1 with kernel 3.15" href="https://bugs.freedesktop.org/show_bug.cgi?id=81438">bug 81438</a> from <a class="email" href="mailto:jens.s.stein@gmail.com" title="jens stein <jens.s.stein@gmail.com>"> jens stein</a> <pre>reverting c675949ec58 on a checkout of the v3.15 tag of the kernel.org source from git fixes the issue. intel_backlight is back in /sys/class/backlight and xbacklight works again. /sys/kernel/debug/dri/0/i915_opregion is empty. i don't know if that is expected or if i'm supposed to do something to have something logged there. debugfs is mounted on /sys/kernel/debug. i'm attaching a dmesg with the drm.debug=0xe parameter.</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>