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On 09/23/2013 11:46 AM, Joakim Gebart wrote: |
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> 2013/9/22 Alexander Kapshuk <alexander.kapshuk@×××××.com |
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> <mailto:alexander.kapshuk@×××××.com>> |
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> |
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> On 09/21/2013 06:32 PM, Al wrote: |
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> > Bruce Hill wrote: |
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> >> I have "Use smooth scrolling" checked and no such wavy line |
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> anywhere. |
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> > |
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> > Hmmm.... |
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> > |
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> > I just tried Firefox, and get the wavy line when "Use smooth |
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> scolling |
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> > is checked (scrolling with the mouse wheel). It goes away when |
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> unchecked. |
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> > |
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> > Did the same in Thunderbird, and I don't see the wavy line, no |
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> matter |
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> > what the setting. |
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> > |
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> > Al |
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> > |
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> > |
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> Having the "Use smooth scrolling" option unchecked in both Firefox and |
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> Thunderbird seems to have fixed the 'wavy line' problem for me. |
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> |
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> Thanks. |
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> |
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> |
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> I'm guessing the wavy line that you describe is 'tearing' that appears |
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> when the display is not synced to the framebuffer, i.e. "vsync". I |
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> believe some of the graphics drivers are not even capable of vsync |
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> currently in X11, but I'm not certain. |
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> |
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> /JG |
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That sounds right. I just wasn't sure how to best put it into technical |
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terms. |
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|
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Thanks. |