Hi, This bug affects me :-(.
Up to date Ubuntu trusty 14.04 (today 2014.04.27). 01:00.0 VGA compatible controller: NVIDIA Corporation G71GL [Quadro FX 3500] (rev a1) xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2 Syslog: Apr 27 17:27:05 cacko kernel: [ 852.982767] nouveau E[Xorg[3900]] failed to idle channel 0xcccc0001 [Xorg[3900]] Apr 27 17:27:20 cacko kernel: [ 867.981445] nouveau E[Xorg[3900]] failed to idle channel 0xcccc0001 [Xorg[3900]] Apr 27 17:27:35 cacko kernel: [ 882.980118] nouveau E[Xorg[3900]] failed to idle channel 0xcccc0000 [Xorg[3900]] Apr 27 17:27:50 cacko kernel: [ 897.978806] nouveau E[Xorg[3900]] failed to idle channel 0xcccc0000 [Xorg[3900]] X freezes. I can change to text terminal, do some things and reboot (reboot takes long). This appear in my system when Adobe Flash Player trys to play flash in Firefox (didn't check with other browsers). Maby not every flash. ** Attachment added: "Xorg.0.log.old" https://bugs.launchpad.net/ubuntu/+source/linux-lts-quantal/+bug/1097178/+attachment/4098509/+files/Xorg.0.log.old -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1097178 Title: nouveau failed to idle channel 0xcccc0000 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-quantal/+bug/1097178/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs