Comment 0 for bug 1247624

Ubuntu 13.10, release: 13.10
xorg: Installed: 1:7.7+1ubuntu6

Have you experienced just one lockup, or have you had a series of these lockups?
- I had several lockups.

If you've had several, how often does it occur? Every few hours? Once or twice a day? Couple times a week?
- Couple times a week.

When did you first notice it?
- Around a year ago.

Shortly after upgrading?
- Can't remember, could be after the 12.10 upgrade.

After updating?
- Don't think so.

After changing compositing (Desktop Effects) settings?
- Never changed these.

Under what conditions does it seem most likely to reproduce?
- Undetermined, it happens during normal OS usage. It doesn't seem to happen when the laptop is idle.

Only at boot time?
- No, it can also happen after, let's say, several hours of working on the laptop.

When resuming from suspend or hibernate?
- I never suspend or hibernate the laptop.

Only when using compositing (Unity, et al)
Yes, it never happened when in a tty.

When changing resolution or enabling/disabling monitors
- I don't change the resolution or enable/disable monitors.

When the screensaver (or power saving mode) kicks in
- The laptop continues working properly when the screensaver or power saving mode kicks in.

Visiting particular web pages or loading particular files
- Not a particular web page, but it happens when I use FireFox, Google Chrome or Thunderbird.

Switching between desktops
- I never do this.

When performing a specific sequence of actions (List them!)
- I don't have a reproducable situation.