Changes between Initial Version and Version 5 of Ticket #16661


Ignore:
Timestamp:
Jan 3, 2021, 10:19:14 AM (4 years ago)
Author:
pulkomandy
Comment:

There is some confusion here. The shift-control-alt-escape does not switch to the VESA driver. It just switches to a safe video mode (probably 1024x768 or 800x600 with 16bit or 256 colors? I could not find where this is implemented in the code...).

The "failsafe graphics driver" option in the boot menu does switch to the VESA driver, which is a completely different thing.

If you're having graphics glitches to start with, and both of the drivers fail in some way, it sounds a bit worrying. Are you sure the hardware is ok? Does it work with other OS?

For further investigation, please provide syslogs for the following situations (make sure to delete the syslog from /system/var/log/syslog between each test to have results for just oen boot in each):

  • Booting with the failsafe graphics driver enabled
  • Booting normally, then changing the video mode

Legend:

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  • Ticket #16661

    • Property Component Drivers/Graphics/VESA → Drivers/Graphics/intel_extreme/9xx
    • Property Owner changed from nobody to pulkomandy
    • Property Summary VESA fallback driver leaves Intel 915GM laptop with black screen. → Intel 915GM video mode switching leaves laptop with black screen with both native and VESA drivers.

  • Ticket #16661 – Description

    initial v5  
    1 The Intel driver bundled with Beta 2 works fine, if sluggishly and with some graphical glitches (due probably more to the age of the chip), but using a screen resolution besides the native 1024x768 leaves it with a blank screen--usually seen when using programs in full screen. In an effort to remedy this, I switched to the VESA driver with the keyboard shortcut, and it left me with the same blank screen. Trying to invoke the boot options menu leaves me with another blank screen. I can't get past this.
     1The Intel driver bundled with Beta 2 works fine, if sluggishly and with some graphical glitches (due probably more to the age of the chip), but using a screen resolution besides the native 1024x768 leaves it with a blank screen--usually seen when using programs in full screen. ~~In an effort to remedy this, I switched to the VESA driver with the keyboard shortcut, and it left me with the same blank screen~~. Trying to invoke the boot options menu leaves me with another blank screen. I can't get past this.