<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - After suspend/resume, screen is black for all but the highest levels with i915 driver on MacBook Air 6,2" href="https://bugs.freedesktop.org/show_bug.cgi?id=67454#c54">Comment # 54</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - After suspend/resume, screen is black for all but the highest levels with i915 driver on MacBook Air 6,2" href="https://bugs.freedesktop.org/show_bug.cgi?id=67454">bug 67454</a> from <a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> Jani Nikula</a> <pre>(In reply to <a href="show_bug.cgi?id=67454#c53">comment #53</a>) > Jani, > > Thanks so much for your quick reply! > > (In reply to <a href="show_bug.cgi?id=67454#c50">comment #50</a>) > > Please get current intel-gpu-tools, boot, get reg dump using > > intel_reg_dumper, suspend, wait a minute, resume, get reg dump using > > intel_reg_dumper, make sure the problem is present at this stage, attach > > dumps clearly named. > > Done. Running release kernel 3.12. > > I don't know much about the GPU registers, but diff didn't appear to show > anything interesting, so I'm guessing you'll still need more information. > > Please advise on next troubleshooting steps and I'll be glad to oblige. If you're *aching* for something, anything, to try, there's backlight-rework branch at [1] that I'm working on. It's an *UNTESTED* work-in-progress series towards fixing some issues we have, but no guarantees it will work al all. You've been warned. [1] git://gitorious.org/jani/drm.git</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>