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>>>>> When I was using an Nvidia video card, I noticed a strange sort of |
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>>>>> fuzzy edge effect if I used nvidia-drivers. xf86-video-nouveau didn't |
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>>>>> have the same problem. Now I've switched to an ATI video card and |
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>>>>> unfortunately I have the same problem with xf86-video-ati. I tried to |
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>>>>> enable the new modesetting radeon driver in the kernel to see if that |
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>>>>> would help but it doesn't work with my HD4250 card yet. Does anyone |
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>>>>> know how to fix this? Here's a photo of the effect around the mouse |
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>>>>> cursor: |
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>>>>> |
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>>>>> http://imageshack.us/photo/my-images/804/cursor.jpg |
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>>>>> |
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>>>>> - Grant |
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>>>>> |
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>>>> |
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>>>> Hi Grant, |
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>>>> |
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>>>> just a shot in the dark: |
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>>>> The image looks to me as thos would be an analog instead of |
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>>>> an digital problem. |
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>>>> May be both propietary drivers switch to the highest possible |
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>>>> data transfer rate and this triggers the problem. |
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>>>> To check, whether this may be the problem: |
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>>>> Instruct the driver to use either low resolution or low refresh |
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>>>> rates. Check both. |
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>>>> If the problem changes signifiently: Change the cables. |
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>>>> May be only a pluf is not inserted correctly. |
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>>>> Addtionally you can move the cables arround to see whether |
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>>>> this will change the shadows around the cursor in any way... |
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>>>> |
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>>>> Good luck! :) |
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>>>> Best regards |
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>>>> mcc |
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>>> |
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>>> Thanks for that. I'm still working on it but adding radeon.audio=0 to |
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>>> grub cleaned it up about 75%. |
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>>> |
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>>> - Grant |
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>> |
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>> It turns out the radeon.audio=0 setting disables HDMI data packets and |
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>> puts the HDMI port in DVI mode. mcc, I'm starting to think you had it |
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>> pretty right on. I've tried two different cables with the same result |
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>> but I'm thinking this may be some sort of electrical interference |
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>> issue. |
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> |
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> HDMI is digital, so there can be no interference. This looks more like a |
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> driver bug. |
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|
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I tried the latest git-sources-3.0 kernel with the same results. |
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|
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> Btw, why are you connecting to your monitor with HDMI? For computer |
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> monitors, you use the DVI port, not HDMI. HDMI is for TVs. Unless of |
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> course your monitor lacks a digital DVI port (DVI-I or DVI-D). If it only |
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> has a DVI-A port, only then is HDMI the better solution. |
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|
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The monitor is actually a 47" LG HDTV. This is an HTPC. |
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|
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- Grant |
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