intel 830mg configuration on Debian Wheezy
Hi, all.
I'm using a laptop using intel 830 onchip graphics(intel 830mg). I installed Debian Wheezy on that machine and booted , but I got a small screen 640x480 only. It uses intel driver for graphics and can have screen 1024x768, but xrandr outputs Code:
xrandr: Failed to get size of gamma for output default i915.modeset=0 on kernel parameter line did not work. new mode addition with xrandr seemed to fail. Latest driver(2.99.902) did not work possibly because of wrong configuration. (But i don't know what to do to configure properly. I also posted question on intel-gfx mailing list , and i got one reply but after that they seems to be busy to reply me) So , someone pls let me know 1. How to configure with default Wheezy graphic environment to make intel 830mg onchip graphics work properly with intel graphic driver(intel_drv.so) to use 24 bit color depth . 2. Or how to configure latest intel driver properly . If you'd like to know something about my machine , do not hesitate to ask me. T.I.A |
Hi
I think that here we're missing some key informations... .:p Quote:
Where do you get the low resolution? Already by booting or only later when the desktop is started? What happens when you fall back into a pure console - is the resolution there as well low? Did you try installing some other distributions - e.g. Fedora? Thanks :) |
Thanks.
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So, first of all re-enable KMS / Kernel Modesetting.
Second, boot, fire up the desktop and install a package called "read-edid" (or something similar - package name varies from distribution to distribution). Then, run "get-edid | parse-edid" (you might have to run that cmd as "root"-user) => do you see the high-resolution listed, which should be the native resolution of your monitor? This has to work - the intel driver will refuse to use a resolution which is not supported by the monitor, which in turn is obtained by the driver by talking to the monitor and get its EDID-specs, which in turn specify the desired resolution the monitor would like to have. Cheers |
Ah, from this morning, the machine do not boot up , seems broken.
I'm so sorry , Pearlseattle, but this thread should end . Anyway , your help was appreciated. |
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