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Old 03-14-2010, 08:54 PM   #1
RandomTroll
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How does one restore a screwed-up display in svgalib?


My new computer loads the i915 video driver by default, which seems to disable normal VGA VESA and FB modes.

When I use an svgalib client in VESA mode the screen gets screwed up. I can't recover. I have tried savetextmode & textmode, but those don't help. Everything else continues to work. I have to shutdown and restart to restore a normal screen mode.
 
Old 03-14-2010, 09:03 PM   #2
smeezekitty
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did you try reset?
 
Old 03-15-2010, 12:22 AM   #3
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reset what? Rebooting works.
 
Old 03-15-2010, 12:39 AM   #4
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http://linux.die.net/man/1/reset
 
Old 03-15-2010, 05:15 AM   #5
AngTheo789
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Switching between terminals helps sometimes to cure artifacts for X-Windows - maybe it also helps in case of svgalib.
 
Old 03-15-2010, 01:59 PM   #6
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tset or changing virtual terminals

Nope, neither tset nor changing virtual terminals clears the display.

If I blacklist the i915 module the generic VESA driver stays loaded and svgalib clients can display but nothing can restore the display: whatever the client displays stays displayed until reboot.

The textmode program, which did nothing with the i915 module loaded, hangs the computer when not loaded.
 
  


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