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I have a Dell Latitude E5400 with Ubuntu 11.10, and I have noticed a problem when waking up from sleep. I would close my lid, the laptop would go to sleep, but when I open the lid and it wakes up it shows my locked screen for a couple of seconds and then logs me out and takes me back to the login screen. I had this problem earlier, but I figured out that it was because I unplugged my USB mouse while it was on sleep. Now I have this problem even when the hardware does not change. |
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I've seen this, and assumed it was simply showing the video buffer briefly before refreshing the screen. I assume that if you were to disable the option to lock the screen after some time (in the Screen settings dialog), that it would not do this. If it does, then there's definitely a problem. But I think it's probably normal, perhaps even a "feature" so you can catch a glimpse of what's there, but nobody can use it. You could probably lock the screen manually before leaving to avoid the problem if it bothers you, but in my case, there's really not enough time for anyone to see much. |
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