I have confirmed this same issue happens when an external monitor is attached and I close the cover of the laptop (thus trying to suspend the laptop). I have attached an error image and also, here is part of the log (it gives very little inforamation):
[ 609.376] (II) PM Event received: Capability Changed [ 609.376] I830PMEvent: Capability change [ 609.890] (II) intel(0): EDID vendor "DEL", prod id 16404 [ 609.890] (II) intel(0): Using hsync ranges from config file [ 609.890] (II) intel(0): Using vrefresh ranges from config file [ 609.890] (II) intel(0): Printing DDC gathered Modelines: [ 609.890] (II) intel(0): Modeline "1280x1024"x0.0 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz) [ 609.890] (II) intel(0): Modeline "800x600"x0.0 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz) [ 609.890] (II) intel(0): Modeline "640x480"x0.0 31.50 640 656 720 840 480 481 484 500 -hsync -vsync (37.5 kHz) [ 609.890] (II) intel(0): Modeline "640x480"x0.0 25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz) [ 609.890] (II) intel(0): Modeline "720x400"x0.0 28.32 720 738 846 900 400 412 414 449 -hsync +vsync (31.5 kHz) [ 609.890] (II) intel(0): Modeline "1280x1024"x0.0 135.00 1280 1296 1440 1688 1024 1025 1028 1066 +hsync +vsync (80.0 kHz) [ 609.890] (II) intel(0): Modeline "1024x768"x0.0 78.75 1024 1040 1136 1312 768 769 772 800 +hsync +vsync (60.0 kHz) [ 609.890] (II) intel(0): Modeline "1024x768"x0.0 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz) [ 609.890] (II) intel(0): Modeline "800x600"x0.0 49.50 800 816 896 1056 600 601 604 625 +hsync +vsync (46.9 kHz) [ 609.890] (II) intel(0): Modeline "1152x864"x0.0 108.00 1152 1216 1344 1600 864 865 868 900 +hsync +vsync (67.5 kHz) [ 610.525] (II) intel(0): Allocated new frame buffer 2880x1024 stride 11776, tiled [ 611.309] (EE) intel(0): failed to set mode: Invalid argument -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997433 Title: Window Manager Crashes after Locking the Screen While Laptop is Docked To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/997433/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
