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Turning off kernel mode setting is the key to Intel 830m video in Ubuntu Lucid, Sidux 2009-04 - and probably Debian Squeeze, too

Posted by Steven_Rosenber on · 1 comment
Click; By Steven Rosenberg
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Attention developers: This "improvement" you call kernel mode setting is pretty much a regression for users of my particular video chip, the Intel 830m, and could be equally useless for other Intel video hardware. Do you think that maybe figuring out why kernel mode setting doesn't work in these cases is the thing to do? And how about dropping in some code that automatically turns off kernel mode setting on hardware that doesn't like it until you deal with this show-stopping bug?

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Comments (1)

I tried the Ubuntu Lucid Alpha 2 DVD on the Gateway Solo 1450 that my daughter uses (1.2 GHz Celeron, 512 MB RAM, Intel video).

Without turning off kernel mode setting, it panics during the boot.

With the VESA driver, no video.

With kernel mode setting turned off, X is great, the kernel even manages the Gateway's hard-to-manage CPU fan - something that hasn't been automatic since the 2.6.18 kernel (the Debian Etch and PC Linux OS 2007 era).

The console graphics seem a bit dodgy (they always are in my experience with Ubuntu). I'll have to look at that again (and try Sidux on the Gateway as well).

But good X after turning off kernel mode setting - that's a nice thing to discover on this Gateway, which is still running Ubuntu 8.04 LTS.

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