Description of problem: I have seen GPU hangs on two different machines after applying latest F20 updates. Both run Cinnamon desktop. One is a laptop (Thinkpad T520 with Intel HD 3000) and a desktop with an nVIDIA 650 Ti discrete graphics card. Both hung with somewhat similar errors in journal Jun 27 22:07:33 valhalla /etc/gdm/Xsession[2500]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800042 (Presentati) Jun 27 22:07:33 valhalla /etc/gdm/Xsession[2500]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800042 (Presentati) Jun 27 22:08:16 valhalla /etc/gdm/Xsession[2500]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800042 (Presentati) Jun 27 22:08:16 valhalla /etc/gdm/Xsession[2500]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800042 (Presentati) Jun 27 22:08:19 valhalla /etc/gdm/Xsession[2500]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800042 (Presentati) Jun 27 22:08:19 valhalla /etc/gdm/Xsession[2500]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800042 (Presentati) Jun 27 22:08:23 valhalla /etc/gdm/Xsession[2500]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800042 (Presentati) Jun 27 22:08:23 valhalla /etc/gdm/Xsession[2500]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800042 (Presentati) Jun 27 22:08:34 valhalla /etc/gdm/Xsession[2500]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800042 (Presentati) Jun 27 22:08:35 valhalla /etc/gdm/Xsession[2500]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800042 (Presentati) Jun 27 22:08:45 valhalla /etc/gdm/Xsession[2500]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800042 (Presentati) Jun 27 22:08:45 valhalla /etc/gdm/Xsession[2500]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800042 (Presentati) Jun 27 22:09:12 valhalla /etc/gdm/Xsession[2500]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x280005d (New Tab - ) Jun 27 22:09:47 valhalla /etc/gdm/Xsession[2500]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x280005d (vlaky a tu) Jun 27 22:10:37 valhalla kernel: [drm] stuck on render ring Jun 27 22:10:37 valhalla kernel: [drm] stuck on blitter ring Jun 27 22:10:37 valhalla kernel: [drm] GPU crash dump saved to /sys/class/drm/card0/error Jun 27 22:10:37 valhalla kernel: [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. Jun 27 22:10:37 valhalla kernel: [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel Jun 27 22:10:37 valhalla kernel: [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. Jun 27 22:10:37 valhalla kernel: [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. Jun 27 22:11:28 valhalla /etc/gdm/Xsession[2500]: (cinnamon:2780): St-WARNING **: Did not find color property '-gradient-start' Jun 27 22:11:28 valhalla /etc/gdm/Xsession[2500]: (cinnamon:2780): St-WARNING **: Did not find color property '-gradient-end' Jun 27 22:14:28 valhalla sudo[12892]: rsriniva : TTY=pts/0 ; PWD=/home/rsriniva ; USER=root ; COMMAND=/sbin/init 3 Jun 27 22:14:28 valhalla bluetoothd[1637]: Terminating Jun 27 22:14:28 valhalla bluetoothd[1637]: Stopping SDP server Hung when browsing using chrome and watching youtube Jun 27 22:38:46 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (lxc - Goog) Jun 27 22:38:57 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (lxc-list(1) Jun 27 22:38:57 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (lxc-list(1) Jun 27 22:38:57 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (lxc-list(1) Jun 27 22:39:03 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (lxc-list(1) Jun 27 22:39:06 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (exim(1) - ) Jun 27 22:39:07 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (exim(1) - ) Jun 27 22:39:12 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (Apropos ex) Jun 27 22:40:03 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (exim(8) - ) Jun 27 22:40:27 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (eximon(8) ) Jun 27 22:40:27 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (eximon(8) ) Jun 27 22:40:33 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (eximon(8) ) Jun 27 22:40:34 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (eximon(8) ) Jun 27 22:40:49 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (Apropos bt) Jun 27 22:41:00 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (btrfs(8) -) Jun 27 22:41:00 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (btrfs(8) -) Jun 27 22:41:06 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (btrfs(8) -) Jun 27 22:41:09 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (kvm(8) - G) Jun 27 22:41:11 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (kvm(8) - G) Jun 27 22:41:21 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (Apropos kv) Jun 27 22:41:30 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (kvm(1) - G) Jun 27 22:41:41 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (qemu(1) - ) Jun 27 22:41:41 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (qemu(1) - ) Jun 27 22:45:59 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (DistroWatc) Jun 27 22:46:20 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (debian jes) Jun 27 22:46:24 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (debian jes) Jun 27 22:46:42 valhalla /etc/gdm/Xsession[2491]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2800001 (debian jes) The desktop machine is more interesting.same scenario browsing using both firefox and chrome Jun 27 19:34:23 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Facebook -) Jun 27 19:34:25 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Facebook -) Jun 27 19:34:30 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Facebook -) Jun 27 19:34:30 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Facebook -) Jun 27 19:34:32 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Facebook -) Jun 27 19:34:44 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Facebook -) Jun 27 19:34:51 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Facebook -) Jun 27 19:35:10 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Inbox - ra) Jun 27 19:35:11 gryffindor NetworkManager[1012]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted Jun 27 19:35:17 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Inbox - ra) Jun 27 19:35:18 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2c00011 (Skype™ 4) Jun 27 19:35:18 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Inbox - ra) Jun 27 19:35:18 gryffindor /etc/gdm/Xsession[1912]: [163:477] 0x7f3d364f65a0: C->F: ["comment","BC Request StatEvent: 14"] Jun 27 19:36:26 gryffindor kernel: AMD-Vi: Event logged [IO_PAGE_FAULT device=00:14.4 domain=0x000f address=0x00000000076e9000 flags=0x0000] Jun 27 19:36:26 gryffindor kernel: AMD-Vi: Event logged [IO_PAGE_FAULT device=00:14.4 domain=0x000f address=0x00000000076e9100 flags=0x0000] Jun 27 19:36:26 gryffindor kernel: AMD-Vi: Event logged [IO_PAGE_FAULT device=00:14.4 domain=0x000f address=0x00000000076e9080 flags=0x0000] Jun 27 19:36:26 gryffindor kernel: AMD-Vi: Event logged [IO_PAGE_FAULT device=00:14.4 domain=0x000f address=0x00000000076e9140 flags=0x0000] Jun 27 19:36:26 gryffindor kernel: AMD-Vi: Event logged [IO_PAGE_FAULT device=00:14.4 domain=0x000f address=0x00000000076e90c0 flags=0x0000] Jun 27 19:36:26 gryffindor kernel: AMD-Vi: Event logged [IO_PAGE_FAULT device=00:14.4 domain=0x000f address=0x00000000076e9040 flags=0x0000] Jun 27 19:36:26 gryffindor kernel: AMD-Vi: Event logged [IO_PAGE_FAULT device=00:14.4 domain=0x000f address=0x00000000076e9180 flags=0x0000] Jun 27 19:36:45 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Facebook -) Jun 27 19:36:49 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Facebook -) Jun 27 19:36:58 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Facebook -) Jun 27 19:37:20 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Facebook -) Jun 27 19:37:20 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Untitled -) Jun 27 19:37:30 gryffindor /etc/gdm/Xsession[1912]: [119B blob data] Jun 27 19:40:12 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Facebook -) Jun 27 19:40:13 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Facebook -) Jun 27 19:40:19 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (New Tab - ) Jun 27 19:40:29 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (YouTube - ) Jun 27 19:40:38 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:40:54 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:41:13 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:41:43 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:42:01 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:42:04 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:42:27 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:42:50 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:42:52 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:43:11 gryffindor NetworkManager[1012]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted Jun 27 19:43:44 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:44:09 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:45:11 gryffindor NetworkManager[1012]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted Jun 27 19:45:21 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (New Tab - ) Jun 27 19:45:28 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (bangalore ) Jun 27 19:45:41 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:45:47 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (vani rani ) Jun 27 19:45:50 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (YouTube - ) Jun 27 19:46:26 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:46:42 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:46:43 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:46:53 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Parvathi () Jun 27 19:46:57 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Parvathi () Jun 27 19:47:02 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Parvathi () Jun 27 19:47:04 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Parvathi () Jun 27 19:47:27 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:47:38 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:47:52 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:47:53 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:47:55 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Bangalore ) Jun 27 19:48:09 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:48:10 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:48:37 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:48:39 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:50:30 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:50:33 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:51:11 gryffindor NetworkManager[1012]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted Jun 27 19:51:31 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:51:33 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:52:23 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:52:25 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:52:28 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:52:35 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:52:40 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:52:45 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:53:15 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:53:33 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:53:41 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:54:45 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:54:47 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:54:51 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:55:11 gryffindor NetworkManager[1012]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted Jun 27 19:56:53 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (Vaani Rani) Jun 27 19:57:11 gryffindor NetworkManager[1012]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted Jun 27 19:57:13 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (YouTube - ) Jun 27 19:57:24 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (YouTube - ) Jun 27 19:57:24 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (YouTube - ) Jun 27 19:57:24 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (YouTube - ) Jun 27 19:57:34 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (YouTube - ) Jun 27 19:57:34 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (YouTube - ) Jun 27 19:57:36 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (YouTube - ) Jun 27 19:57:36 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (YouTube - ) Jun 27 19:57:38 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (YouTube - ) Jun 27 19:57:40 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (YouTube - ) Jun 27 19:58:03 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (New Tab - ) Jun 27 19:58:07 gryffindor /etc/gdm/Xsession[1912]: (cinnamon:2227): St-WARNING **: Did not find color property '-gradient-start' Jun 27 19:58:07 gryffindor /etc/gdm/Xsession[1912]: (cinnamon:2227): St-WARNING **: Did not find color property '-gradient-end' Jun 27 19:58:07 gryffindor /etc/gdm/Xsession[1912]: (cinnamon:2227): St-WARNING **: Did not find color property '-gradient-start' Jun 27 19:58:07 gryffindor /etc/gdm/Xsession[1912]: (cinnamon:2227): St-WARNING **: Did not find color property '-gradient-end' Jun 27 19:58:08 gryffindor /etc/gdm/Xsession[1912]: (cinnamon:2227): St-WARNING **: Did not find color property '-gradient-start' Jun 27 19:58:08 gryffindor /etc/gdm/Xsession[1912]: (cinnamon:2227): St-WARNING **: Did not find color property '-gradient-end' Jun 27 19:58:08 gryffindor /etc/gdm/Xsession[1912]: (cinnamon:2227): St-WARNING **: Did not find color property '-gradient-start' Jun 27 19:58:08 gryffindor /etc/gdm/Xsession[1912]: (cinnamon:2227): St-WARNING **: Did not find color property '-gradient-end' Jun 27 19:58:13 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x2a00001 (New Tab - ) Jun 27 19:58:13 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] PFIFO: write fault at 0x00002b8000 [PTE] from GR/GPC1/GPCCS on channel 0x003fa24000 [Xorg[1170]] Jun 27 19:58:17 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:58:22 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:58:26 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:58:30 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:58:35 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:58:39 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:58:43 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:58:44 gryffindor kernel: nouveau E[chrome[3203]] failed to idle channel 0xcccc0000 [chrome[3203]] Jun 27 19:58:47 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:58:52 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:58:56 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:58:59 gryffindor kernel: nouveau E[chrome[3203]] failed to idle channel 0xcccc0000 [chrome[3203]] Jun 27 19:59:00 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:59:01 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] runlist 0 update timeout Jun 27 19:59:05 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:59:09 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:59:11 gryffindor NetworkManager[1012]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted Jun 27 19:59:13 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:59:17 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:59:22 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:59:26 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:59:30 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:59:32 gryffindor kernel: nouveau E[ DRM] GPU lockup - switching to software fbcon Jun 27 19:59:33 gryffindor abrt-hook-ccpp[3934]: Saved core dump of pid 1170 (/usr/bin/Xorg) to /var/tmp/abrt/ccpp-2014-06-27-19:59:32-1170 (66740224 bytes) Jun 27 19:59:35 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:59:37 gryffindor abrt-server[3936]: Generating core_backtrace Jun 27 19:59:37 gryffindor abrt-server[3936]: Generating backtrace Jun 27 19:59:39 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:59:43 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:59:48 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:59:48 gryffindor kernel: nouveau E[Xorg[1170]] failed to idle channel 0xcccc0001 [Xorg[1170]] Jun 27 19:59:48 gryffindor dbus-daemon[920]: dbus[920]: [system] Activating service name='org.freedesktop.problems' (using servicehelper) Jun 27 19:59:48 gryffindor dbus[920]: [system] Activating service name='org.freedesktop.problems' (using servicehelper) Jun 27 19:59:48 gryffindor dbus-daemon[920]: dbus[920]: [system] Successfully activated service 'org.freedesktop.problems' Jun 27 19:59:48 gryffindor dbus[920]: [system] Successfully activated service 'org.freedesktop.problems' Jun 27 19:59:52 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 19:59:56 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 20:00:00 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 20:00:03 gryffindor kernel: nouveau E[Xorg[1170]] failed to idle channel 0xcccc0001 [Xorg[1170]] Jun 27 20:00:05 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] runlist 0 update timeout Jun 27 20:00:05 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 20:00:09 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 20:00:13 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 20:00:13 gryffindor /etc/gdm/Xsession[1912]: (abrt:2233): libnotify-WARNING **: Failed to connect to proxy Jun 27 20:00:13 gryffindor /etc/gdm/Xsession[1912]: abrt-applet: Failed to receive server caps Jun 27 20:00:18 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 20:00:20 gryffindor kernel: nouveau E[Xorg[1170]] failed to idle channel 0xcccc0000 [Xorg[1170]] Jun 27 20:00:22 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 20:00:26 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 20:00:30 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 20:00:35 gryffindor kernel: nouveau E[Xorg[1170]] failed to idle channel 0xcccc0000 [Xorg[1170]] Jun 27 20:00:35 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [CTXSW_TIMEOUT] Jun 27 20:00:37 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] channel 2 [Xorg[1170]] kick timeout Jun 27 20:00:37 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [(unknown enum 0x0000000d)] Jun 27 20:00:39 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] channel 2 [Xorg[1170]] kick timeout Jun 27 20:00:39 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [(unknown enum 0x0000000d)] Jun 27 20:00:41 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] runlist 0 update timeout Jun 27 20:00:41 gryffindor kernel: nouveau E[ PFIFO][0000:01:00.0] BIND_ERROR 0x00000003 Jun 27 20:00:41 gryffindor kernel: nouveau ![ PFIFO][0000:01:00.0] unhandled status 0x00000001 Jun 27 20:00:41 gryffindor /etc/gdm/Xsession[1912]: (cinnamon-settings-daemon:2093): Gdk-WARNING **: cinnamon-settings-daemon: Fatal IO error 11 (Resource temporarily unavailable) on X server :0. Jun 27 20:00:41 gryffindor /etc/gdm/Xsession[1912]: Window manager warning: Log level 16: cinnamon: Fatal IO error 11 (Resource temporarily unavailable) on X server :0. Jun 27 20:00:41 gryffindor cinnamon-session[1912]: Gdk-WARNING: cinnamon-session: Fatal IO error 11 (Resource temporarily unavailable) on X server :0. Jun 27 20:00:41 gryffindor polkitd[1005]: Unregistered Authentication Agent for unix-session:1 (system bus name :1.92, object path /org/gnome/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) (disconnected from bus) Jun 27 20:00:41 gryffindor colord[1563]: device removed: xrandr-Dell Inc.-DELL U2412M-Y7V552672H7L Jun 27 20:00:41 gryffindor colord[1563]: Profile removed: icc-7f50bb5d5d621b9499bc284470557684 Jun 27 20:00:41 gryffindor gdm-password][1810]: pam_unix(gdm-password:session): session closed for user aramani Jun 27 20:00:41 gryffindor pulseaudio[3989]: [pulseaudio] client-conf-x11.c: xcb_connection_has_error() returned true Jun 27 20:00:41 gryffindor rtkit-daemon[902]: Successfully made thread 3993 of process 3993 (/usr/bin/pulseaudio) owned by '1000' high priority at nice level -11.
Created attachment 912979 [details] lspci of desktop machine
Created attachment 912980 [details] lspci of laptop
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