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So, about a year after I first noticed it I'm still being vexed by a jumping, freezing cursor when starting or running certain applications (mostly wine, but FVWM seems to cause a lot of skipping too for some reason).
One of the things I noticed is that, every time the cursor freezes, I get this (or something very close) in Xorg.0.log:
[ 3615.027] (II) intel(0): EDID vendor "LPL", prod id 42240
[ 3615.027] (II) intel(0): Printing DDC gathered Modelines:
[ 3615.027] (II) intel(0): Modeline "1280x800"x0.0 71.00 1280 1328 1360 1440 800 803 809 823 -hsync -vsync (49.3 kHz)
Can anyone tell me what that's about?
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So, about a year after I first noticed it I'm still being vexed by a jumping, freezing cursor when starting or running certain applications (mostly wine, but FVWM seems to cause a lot of skipping too for some reason).
One of the things I noticed is that, every time the cursor freezes, I get this (or something very close) in Xorg.0.log:
[ 3615.027] (II) intel(0): EDID vendor "LPL", prod id 42240 [ 3615.027] (II) intel(0): Printing DDC gathered Modelines: [ 3615.027] (II) intel(0): Modeline "1280x800"x0.0 71.00 1280 1328 1360 1440 800 803 809 823 -hsync -vsync (49.3 kHz)
Can anyone tell me what that's about?
That snippet from your Xorg log is a red-herring, so I'll ignore it.
Let's assume one thing from the outset: It's nothing to do with your window manager.
So -- now that's covered, can you possibly give more accurate information about this cursor "freezing" problem -- what steps do you need to do to reproduce it? Does it happen for only certain applications (of which I am doubtful), or any, and under what conditions does it most often happen?
-- Thomas Adam
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Thanks... I'm not sure exactly what circumstances produce it. OpenGL seem to work fine now that I've disabled sync-to-vblank.
The most reliable way to reproduce it is as follows:
1. Run winecfg, wine explorer, or any Windows app under Wine
2. Move cursor around. Instead of moving smoothly the cursor will stop for about half a second, then jump in the direction I moved it. It will keep doing this until the whatever program has finished loading.
I have two machines with Intel video chipsets and this happens on both of them.
(To be honest though, now that I've got the OpenGL performance issue covered this isn't a big deal; these days I only use a few Windows apps, which are either games or replaceable.)
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