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On 11/21/2013 01:38 PM, Dale wrote: |
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> Alan McKinnon wrote: |
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>> On 21/11/2013 17:10, Mateusz Kowalczyk wrote: |
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>>> Greetings, |
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>>> |
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>>> I spent a chunk of yesterday updating world on my machines (2 file |
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>>> servers and 1 netbook) and with some effort, the updates went through. I |
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>>> had to go out today so I rebooted my netbook and I started noticing |
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>>> weird graphical glitches in certain applications, as if parts of the |
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>>> screen weren't updating, namely in urxvt and emacs. In urxvt, my shell |
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>>> prompt seems to not render the cursor and often keeps the letters I |
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>>> remove still on the prompt (only graphically, they aren't actually |
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>>> there). This is extremely annoying. |
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>>> |
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>>> It's also terrible in emacs: cursor sometimes doesn't get rendered and I |
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>>> get tons of artefacts from different buffers when I switch or from text |
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>>> I was editing. You can find an example image of such glitches in emacs |
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>>> at [1]. This is absolutely tragic for me as I spend majority of my time |
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>>> in emacs. I'd like to note that I'm running emacs in a graphical frame |
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>>> and not in a terminal. |
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>> |
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>> A quick note to say that you are not alone, I get this as well since |
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>> about 6 weeks ago (a ~amd system). So it's not something you and just |
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>> you managed to do, I got it as well. |
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>> |
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>> In my case it's as if the system's idea of what is on the screen is off |
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>> by one row of pixels. I get a stray row of dots at the top of lines that |
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>> correspond to the risers of glyphs on the previous line, and new |
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>> underscores don't show up until I enter a newline. |
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>> |
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>> This is a mostly KDE system using konsole, so it's not the terminal |
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>> emulator or editor that's the root cause. |
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>> |
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> |
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> Some may recall I have posted about similar issues in the past. Heck, I |
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> still do when I upgrade the drivers. I'm stuck using a older driver but |
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> still run into the issue every once in a while. |
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> |
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> The biggest giveaway for me is that my clock is stuck. I have mine set |
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> to show seconds and it either stops or the time sort of jumps several |
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> seconds at a time. |
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> |
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> It's weird but as Alan said, it is not just you. You got plenty of |
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> company on this one. |
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|
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One other possibility is that xorg updated something that broke some |
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video drivers. Maybe "qlop -l xorg" would give you a hint about when |
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your video problem first appeared? |
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