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direct rendering and smxi 
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Post # 251578
Post direct rendering and smxi
I have just run smxi and now have everything slightly vertically elongated. After running
Quote:
[Study@Study1 ~]$ glxinfo | grep direct
do_wait: drmWaitVBlank returned -1, IRQs don't seem to be working correctly.
Try adjusting the vblank_mode configuration parameter.
direct rendering: Yes
I got this result how can I change things, I have an INTEL GMA 4500M graphics card

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Fri Nov 19, 2010 11:02 pm
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Post # 251590
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Usually the Intel driver autodetects the native resolution of an LCD screen--is that what you are using? And if so, do you know its native resolution?

Possibly you were using the vesa driver before smxi, and if it changed to the native, "correct" resolution, things may look squeezed vertically compared to a horizontally obese vesa display. How do perfect circles or squares appear?

P.S. I get the vblank error too on my GMA 4500, just ignore it.


Sat Nov 20, 2010 1:38 am
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Post # 251593
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I have just switched back to vesa and although things look normal to my eye, the perfect circle and sqaure are elliptical and rectangular. I will run smxi again later and have a closer look at what is on offer. My native resolution from memory is 1024X768

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Sat Nov 20, 2010 2:16 am
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Post # 251660
 
moksha wrote:
I have just switched back to vesa and although things look normal to my eye, the perfect circle and sqaure are elliptical and rectangular. I will run smxi again later and have a closer look at what is on offer. My native resolution from memory is 1024X768


The manufacturer will have the native resolution available on the web.

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Sat Nov 20, 2010 11:45 am
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Post # 251666
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And on the web, it says the Acer emachine E727 has a 1366x768 native resolution. Running at 1024x768 should make things look stretched horizontally. Try at 1366x768 and look at square and circular objects on the screen to see if they're true.


Sat Nov 20, 2010 12:18 pm
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Post # 251714
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Also users with the Intel GMA4500 graphics can skip using smxi and either just edit xorg.conf directly to change "vesa" to "intel", or boot the LiveCD with the boot command

xdrvr=intel

This still seems to be needed on the M11 alphas so far.


Sat Nov 20, 2010 5:25 pm
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Post # 251735
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timkb4cq wrote:
And on the web, it says the Acer emachine E727 has a 1366x768 native resolution. Running at 1024x768 should make things look stretched horizontally. Try at 1366x768 and look at square and circular objects on the screen to see if they're true.
I had some confusion around resolution, but you are right the resolution is 1366x768, the issue seems to be with running vesa

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Sat Nov 20, 2010 7:13 pm
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Post # 251744
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Stevo wrote:
Also users with the Intel GMA4500 graphics can skip using smxi and either just edit xorg.conf directly to change "vesa" to "intel", or boot the LiveCD with the boot command

xdrvr=intel

This still seems to be needed on the M11 alphas so far.
changing from vesa to intel this way is a lot simpler than smxi. Although I am still not real happy with the appearance, for the moment I will accept it as it is.

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Sat Nov 20, 2010 7:23 pm
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Post # 251755
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You might try the cheatcode xres=1366x768 see here: http://www.mepis.org/docs/en/index.php?title=Cheatcodes

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Sat Nov 20, 2010 8:33 pm
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Post # 251782
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moksha wrote:
changing from vesa to intel this way is a lot simpler than smxi. Although I am still not real happy with the appearance, for the moment I will accept it as it is.


Odd--usually the vesa driver on a 16:9 screen will instead give you a 1024x768 display, with attendant distortions, plus fonts will look blurry compared to the native resolution that the Intel driver provides. Might be your brain has compensated for the distorted vesa output; give the native display a chance and you should get used to it.


Sat Nov 20, 2010 10:42 pm
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