Yes, my 2 previous attachments were related to an upstream Linux kernel. But this time, my attachments are duly related to the CURRENT Linux kernel 3.16.0-28.38 I hope that they will be useful.
** Attachment added: "Xorg.0.log for X bug with nouveau from linux-3.16.0.28-38" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1396840/+attachment/4285578/+files/Xorg.linux-3.16.0-28-38.nouveau.X-bug.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1396840 Title: 10de:0867 [iMac9,1] Module nouveau systematically crashes after a few minutes, whereas module nvidia from nvidia-331-updates crashes only after several hours of work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1396840/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs