<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - No signal to monitor with X and openchrome using VX855 chipset graphics" href="https://bugs.freedesktop.org/show_bug.cgi?id=91966#c97">Comment # 97</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - No signal to monitor with X and openchrome using VX855 chipset graphics" href="https://bugs.freedesktop.org/show_bug.cgi?id=91966">bug 91966</a> from <a class="email" href="mailto:kevinbrace@gmx.com" title="Kevin Brace <kevinbrace@gmx.com>"> Kevin Brace</a> <pre>(In reply to Christopher from <a href="show_bug.cgi?id=91966#c96">comment #96</a>) Hi Christopher, > 'ey, Kevin -- take all the time you need. I don't rush people when they're > tryin' to help me ;) > > Do your thing. I'll be here when you got somethin' for me. I spent a few hours analyzing one of the log file you attached. The one I looked at specifically was the current compiled version of OpenChrome Xorg.0.log (See Xorg.0.log from Git-built driver). I find these messages curious. _________________________________________________________________________ . . . [ 72.614] (II) Loading sub module "ddc" [ 72.614] (II) LoadModule: "ddc" [ 72.614] (II) Module "ddc" already built-in [ 72.614] (II) CHROME(0): ViaOutputsDetect [ 72.614] (==) CHROME(0): LVDS-0 : Digital output bus width is 12 bits. [ 72.614] (==) CHROME(0): LVDS-0 : DVI Center is disabled. [ 72.614] (==) CHROME(0): LVDS Panel will not be forced. [ 72.614] (==) CHROME(0): Panel size is not selected from config file. [ 72.615] (II) CHROME(0): Output VGA-1 using monitor section Monitor0 [ 72.615] (**) CHROME(0): Option "PreferredMode" "1280x1024" [ 72.616] (II) CHROME(0): I2C device "I2C bus 1:ddc2" registered at address 0xA0. [ 72.623] (--) CHROME(0): Test for CRT with VSYNC [ 72.623] (II) CHROME(0): EDID for output VGA-1 [ 72.624] (II) CHROME(0): Output VGA-1 disconnected [ 72.624] (WW) CHROME(0): No outputs definitely connected, trying again... [ 72.624] (II) CHROME(0): Output VGA-1 disconnected [ 72.624] (WW) CHROME(0): Unable to find connected outputs - setting 1024x768 initial framebuffer [ 72.624] (II) CHROME(0): Using default gamma of (1.0, 1.0, 1.0) unless otherwise stated. [ 72.624] (==) CHROME(0): DPI set to (96, 96) . . . _________________________________________________________________________ I think DDX (Device Dependent X == OpenChrome in this case) is not seeing a monitor when it tries to sense the presence of a VGA monitor via DDC (I2C). Hence, when the OS gives up the booting, it gives the following error message (See xerrs.log from Git-built driver). _________________________________________________________________________ . . . (EE) Server terminated successfully (0). Closing log file. xwininfo: error: unable to open display ":0" xwininfo: error: unable to open display ":0" /usr/bin/xinit: connection to X server lost XIO: fatal IO error 2 (No such file or directory) on X server ":0" _________________________________________________________________________ The question I now have is, why isn't DDX not seeing the VGA monitor? It appears that DDC related code is located inside xorg, and is not directly handled by OpenChrome. Although I do not wish to suggest a new "wild goose chase" type of an idea, if you happened to have a different VGA cable, maybe you can try it. Also, you can also try a DVI cable instead of VGA cable + DVI to VGA dongle combination to see what happens. Last time I checked, your Wyse thin client has a DVI output port, not VGA output port coming out of it. I personally think it will make no difference, but I will like to see what happens when you try a DVI cable. Just for your information, I have spent some time trying to figure out what OpenChrome does when it initialize itself. I now have somewhat better understanding of the code, hence, I was able to suggest this likely cause of why it does not work correctly with your particular hardware. I will be off for at least a day due to air travel. Regards, Kevin Brace</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>