<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [915] querying Randr enables LVDS output. Spurious TV detection?!" href="https://bugs.freedesktop.org/show_bug.cgi?id=87049#c4">Comment # 4</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [915] querying Randr enables LVDS output. Spurious TV detection?!" href="https://bugs.freedesktop.org/show_bug.cgi?id=87049">bug 87049</a> from <a class="email" href="mailto:ukleinek@strlen.de" title="Uwe Kleine-König <ukleinek@strlen.de>"> Uwe Kleine-König</a> <pre>Created <a href="attachment.cgi?id=110540" name="attach_110540" title="xrandr --output LVDS1 --off; xrandr --current; xrandr">attachment 110540</a> <a href="attachment.cgi?id=110540&action=edit" title="xrandr --output LVDS1 --off; xrandr --current; xrandr">[details]</a> xrandr --output LVDS1 --off; xrandr --current; xrandr This is the requested output. Note that this command sequence doesn't trigger the problem, i.e. the LVDS output stays off. See next attachment that was generated with a sleep between the commands. Not sure this is related, but I got the following in dmesg (during login): [ 41.996076] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 26 [ 41.996089] Raw EDID: [ 41.996097] 00 ff ff ff ff ff ff 00 4c 2d 6b 03 36 32 49 4b [ 41.996104] 17 13 01 03 0e 37 22 a0 2a fe 21 a8 53 37 ae 24 [ 41.996110] 11 50 54 bf ef 80 a9 40 81 80 81 40 71 4f 01 01 [ 41.996116] 01 01 01 01 01 01 28 3c 80 a0 70 b0 23 40 30 20 [ 41.996123] 36 00 26 57 21 00 00 1a 00 00 00 fd 00 38 4b 1e [ 41.996129] 51 11 00 0a 41 ff ff ff ff ff ff ff ff ff ff ff [ 41.996135] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 41.996141] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff</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>