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Old 05-09-2008, 05:28 PM   #1
batev
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A Mac OS X, VirtualBox and Slackware 12.1


Since VirtualBox 1.6 is already officially available for OS X, I installed it and installed a fresh copy of Slack 12.1. The problem is I cannot get the X server running above 640x480. My Macbook uses intel gma x3100 integrated graphics and runs natively at 1280x800. What driver should I use and how should I configure my xorg.conf to run at 1280x800? So far I made it run with the vesa driver at 640x480.
Thanks in advance.
 
Old 05-09-2008, 06:01 PM   #2
T3slider
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batev, VirtualBox present a FAKE video card to the guest OS, so your video card is irrelevant. It doesn't support much -- definitely not 3D acceleration (don't expect to run games on it). You'd definitely have to install the "Guest Additions" or whatever they're called (installing them involves loading a fake ISO [this is done automatically when you click the "Install Guest Additions" button from wherever it is] and running a script). I have heard of one person that got his VirtualBox installation of Slackware 12.0 in fullscreen, but he didn't provide any information. I don't have fullscreen resolution, but I admittedly haven't tried. You're going to have to edit /etc/X11/xorg.conf (AFTER installing the guest additions -- they present a more capable video card to the guest OS) and try and get it to support full resolution. You may wish to run `xorgconfig` (or `xorgsetup`, but I don't know how well that'll work in VirtualBox) to automatically generate a working xorg.conf -- but I'm not sure if you'll get it to support the full resolution or not. I don't know what driver to enable in VirtualBox to get better-than-VESA resolution since it's presenting a fake video card to the OS.
 
Old 05-09-2008, 06:21 PM   #3
GazL
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I've been toying with VirtualBox for the last couple of days. I've got slack 12.0 guest running in a virtualbox 1.6 on a WinXP host which I've run successfully at both 1280x1024 and 1024x768 which is what I settled at.

The way I approached it was to use vga=791 in the lilo.conf to set the frame buffer size for the console and then use the sample slackware xorg.conf-fbdev to run X on top of that.

The advantage of doing it this way, is that the virtualbox screen window on your host display doesn't resize when you swap between X and the console.

This ought to work just as well on a Mac as its all done in the guest.


Hope this helps.



P.S. I've also been trying OpenBSD 4.3 on Virtualbox too, but it seems to be seg-faulting/coredumping all over the place. Slack on the other hand has proved to be very solid running under VBox.

Last edited by GazL; 06-12-2011 at 04:52 AM.
 
Old 05-10-2008, 02:14 AM   #4
batev
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It was hard to find the Guest Additions iso file in the vbox for mac package. But after installing the additions it seems I can run higher resolutions with the vbox driver. Thanks for the help.

Last edited by batev; 05-10-2008 at 04:12 AM.
 
  


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