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#1 2009-04-16 00:14:06

uncholowapo
Member
From: US
Registered: 2009-03-29
Posts: 238

Kernel Mode Setting Problem with Intel GM965

When I enabled it, it worked perfectly and set the console to my perfect 1280x800 resolution. I don't use a login manager, just the ol' .xinitrc cool Anyways, everything seems fine except that my glxgears count is down 100 fps or so from the 700 fps usually present and even wierder is that when I scroll in either rxvt or aterm, it is very laggy.

I don't think it is the video driver because I tried the legacy intel driver and it came up the the "GEM was not able to be started..." or something like that. So now I just reverted back to using vga=865 on my kernel line in my grub.cfg file (I use grub2) and still using the newest intel video driver.

Has anyone else had this experience?

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#2 2009-04-16 00:18:19

fijam
Member
Registered: 2009-02-03
Posts: 244
Website

Re: Kernel Mode Setting Problem with Intel GM965

Fewer fps in glxgears under KMS are to be expected: http://qa-rockstar.livejournal.com/7869.html
Please do remember that glxgears is NOT a benchmark.

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#3 2009-04-16 01:07:05

uncholowapo
Member
From: US
Registered: 2009-03-29
Posts: 238

Re: Kernel Mode Setting Problem with Intel GM965

Well That gets rid of that now what about my scrolling?

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#4 2009-04-16 01:23:05

jiu
Member
From: Auckland, New Zealand
Registered: 2008-05-03
Posts: 31

Re: Kernel Mode Setting Problem with Intel GM965

Please do remember that glxgears is NOT a benchmark.

That is, unless you consider the output of glxgears to be useful, and you can see >100fps (you need a real good eye).
:-)

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#5 2009-04-16 01:36:13

benob
Member
Registered: 2008-11-11
Posts: 187

Re: Kernel Mode Setting Problem with Intel GM965

I have a GM965 myself and its not laggy with KMS enabled. So, we need a little bit more information to find what's going on:
- What's in your xorg.conf? I completely removed it: http://wiki.archlinux.org/index.php/Xor … _xorg.conf
- UXA, EXA, XAA? EXA does not work at all for me, XAA seems to be converted to UXA (didn't check the logs, though).
- Compositor enabled? I get very slow gtkperf benchmarks if compositing is not enabled -- it looks as if it's vsync'ing after every draw operation.
- Custom kernel?
- Arguments to your kernel? I use enable_mtrr_cleanup nopat i915.modeset=1 even though the two first probably make no big difference.

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#6 2009-04-16 01:51:32

uncholowapo
Member
From: US
Registered: 2009-03-29
Posts: 238

Re: Kernel Mode Setting Problem with Intel GM965

I don't use an xorg.conf; everything is done by hal.

I don't know how to set UXA or any of the others using hal.

I don't use a compositor, just Fluxbox.

I use the stock kernel from the repos.

I only have the stock arguments and added vga=865 after I disabled KMS. I took it off when I had it enabled.

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#7 2009-04-16 07:36:19

eeeldert
Member
Registered: 2008-09-29
Posts: 5

Re: Kernel Mode Setting Problem with Intel GM965

Check out this thread: http://bbs.archlinux.org/viewtopic.php?pid=534067

Changing my urxvt font and running xcompmgr did the trick for me (using Awesome WM).

/ernst

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#8 2009-04-16 12:27:35

frankieboy
Member
Registered: 2009-04-12
Posts: 65

Re: Kernel Mode Setting Problem with Intel GM965

Hi!

I have a compaq 6720s with 965gm, and unable to activate kms, I've read all the forums, modified modprobe.conf, removed xorg.conf, installed the latest 2.7.0 rc2 and now rc3 intel driver, my boot parameters: nopat, notsc, enable_mtrr_cleanup, i915.modeset=1, modified mkinitcpio.conf and created a new image, but no luck, no resolution switching on the console, during booting dmesg says: drm error: connectors have no mode, using standard mode, and x won't start. If I disable kms, x starts, if I use a xorg.conf with uxa enabled, x works. This is with latest kernel, everything is up to date from testing.

Anyone has a clue?

Thx

Frankieboy

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#9 2009-04-16 20:34:07

uncholowapo
Member
From: US
Registered: 2009-03-29
Posts: 238

Re: Kernel Mode Setting Problem with Intel GM965

What guide did you use?

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#10 2009-04-16 22:59:15

uncholowapo
Member
From: US
Registered: 2009-03-29
Posts: 238

Re: Kernel Mode Setting Problem with Intel GM965

Nevermind. Everything works now with kernel mode setting. I guess the new 1.6.1 xorg-server update fixed it. because compositing with xcompmgr works and my RAM count has never been lower; Used to idle around 200MB and now idles around 150MB with Pidgin, Conky, Volwheel, Batterymon, Firefox, and Sakura.

Last edited by uncholowapo (2009-04-16 22:59:41)

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