I'm glad a reinstall worked for you. For the benefit of others with the same problem who may stumble upon this page, I should report that I was able to blacklist nouveau, and this appears to have solved the problem.
To blacklist nouveau (based on instructions from http://forums.linuxmint.com/viewtopic.php?f=109&t=52692 ): 1. Edit the /etc/default/grub file by changing the line: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" to GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nouveau.blacklist=1" 2. sudo update-grub2 Upon doing this, rebooting, and testing closing the lid and opening it again, the following lines no longer appear: [drm] nouveau 0000:01:00.0: 0x7393: i2c wr fail: -6 [drm] nouveau 0000:01:00.0: 0x73A5: i2c rd fail: -6 This leaves the remaining lines: watchdog: only one watchdog can use /dev/watchdog. watchdog: error registering /dev/watchdog (err=-16). mei: unable to register watchdog device. These just show up and disappear too quickly to read (based on what I saw flash briefly on the screen, I think they are the messages, though am not absolutely sure). They appear to be due to a separate (and benign) issue, discussed here: http://ubuntuforums.org/showthread.php?t=1970325 Since the issue with watchdog and mei is apparently benign, I don't think it is necessary to take any further action beyond blacklisting nouveau in order to solve the problem. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1030387 Title: Closing notebook lid can log user out, breaks network manager and more To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1030387/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
