<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:8pt"> <div style="font-family: arial, helvetica, sans-serif; font-size: 8pt;"><div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"><div class="y_msg_container">>>From: walter harms <wharms@bfs.de> <div id="yiv1008033880"><div><div style="color:#000;background-color:#fff;font-family:arial, helvetica, sans-serif;font-size:8pt;"><div style="font-family:arial, helvetica, sans-serif;font-size:8pt;"><div style="font-family:times new roman, new york, times, serif;font-size:12pt;"><div dir="ltr">>>To: xorg@lists.x.org >>Sent: Sunday, August 25, 2013 4:50 PM >>Subject: Re: screen (intel igp) goes black after logout when using xauth </div> <div class="yiv1008033880y_msg_container">>> >>Hi, >>i still have no idea. >>But perhaps you can reduced your Programm to make the xauth stuff only >>to get an idea if that has anything to do with the problem. >> >>(I assume that only your programm is causing the problem, others work fine). >> >>re. >> wh >> >>Am 25.08.2013 07:50, schrieb <a rel="nofollow" ymailto="mailto:StompDagger1@yahoo.com" target="_blank" href="mailto:StompDagger1@yahoo.com">StompDagger1@yahoo.com</a>: >>>> From: "<a rel="nofollow" ymailto="mailto:StompDagger1@yahoo.com" target="_blank" href="mailto:StompDagger1@yahoo.com">StompDagger1@yahoo.com</a>" <<a rel="nofollow" ymailto="mailto:stompdagger1@yahoo.com" target="_blank" href="mailto:stompdagger1@yahoo.com">stompdagger1@yahoo.com</a>> >>> >>>> To: "<a rel="nofollow" ymailto="mailto:xorg@lists.freedesktop.org" target="_blank" href="mailto:xorg@lists.freedesktop.org">xorg@lists.freedesktop.org</a>" <<a rel="nofollow" ymailto="mailto:xorg@lists.freedesktop.org" target="_blank" href="mailto:xorg@lists.freedesktop.org">xorg@lists.freedesktop.org</a>> >>>> Sent: Sunday, August 18, 2013 10:01 AM >>>> Subject: screen (intel igp) goes black after logout when using xauth >>> >>> >>> >>>> Hello, >>> >>>> I have the folok,lowing scenario: >>> >>> * a framework that runs a gui program. >>> >>> * group a that all the included users can use that framework >>>> in an essence, user x from group a can execute program a1. program a1 >>> uses sudo to run another program as user a_x which runs a gui program. >>>> as the executing user isn't user a_x, I need to use xauth to extract the >>> session's X cookie to be able to connect to the X session, after the >>> program is done, I remove the X session from the >X cookie using xauth. >>> >>>> this works well when I start the program but when I shut it down and logout, the screen stays black. >>> >>>> this started when I replaced the previous card (ati, worked without problems) with the intel igp. >>> >>>> any ideas? the logs doesn't show any error. >>> >>>> I'm using kernel 3.10.7 with mesa from git, inter driver version 2.21.14 on a i7-2600 with 16 gb of ram. >>> >>>> thanks for the help. >>> >>> no one have an idea in the matter? >>>> > >greetings, thanks for the input, will try it. > >something popped into mind. I use a hdmi to dvi cable, can that be the issue? e.g. there is some feedback that is needed when connecting >to hdmi that dvi doesn't supports? </div> </div> </div> </div></div></div> ok, not sure what it was but the issue is resolved. probably either an intel driver or xorg update. thanks for the help </div> </div> </div> </div></body></html>