On 10/15/07, Scott Berry <sberry@xxxxxxxxxxx> wrote:
> Hi Dave,
>
> Just a learning experience here does vga=791 mean 791 lines of text on
> the screen?
>
> Dave Jones wrote:
> > On Sun, Oct 14, 2007 at 03:01:57PM -0700, Peter Gordon wrote:
> > > On Sun, 2007-10-14 at 14:15 -0500, Scott Berry wrote:
> > > > On the keyboard the Caps Lock and Scroll Lock keep flashing.
:
> > To get better debug data from this, I suggest turning off
> > rhgb (remove it from the grub command line), and booting with
> > vga=791 to get more lines of text onscreen. Hopefully
> > that will then lockup with the panic onscreen where it
> > can be captured with a digital camera (or worse case, by hand)
Using the boot loader parameter vga=791 should configure your video card
to run in 1024x768 mode with 16-bit color. A few examples of VESA video
modes (or VGA codes) are shown in:
http://fedoraproject.org/wiki/Fedora7/FAQ#head-1d333d02c2c2e2f3b06d18ce92d41dcbba823d59
with more information elsewhere, e.g.:
http://en.wikipedia.org/wiki/VESA_BIOS_Extensions#Linux_video_mode_numbers
However, in f8, you may be rewarded with something like:
-----
Undefined video mode number 791
Press <ENTER> to see video modes available, <SPACE> to continue, or wait 30 sec
[<ENTER> displays something similar to: ]
Mode: COLSxROWS:
0 0F00 80x25 VGA
1 0F01 80x50 VGA
2 0F02 80x43 VGA
3 0F03 80x28 VGA
4 0F05 80x30 VGA
5 0F06 80x39 VGA
6 0F07 80x60 VGA
-----
If so, you may wish to add your experience to:
https://bugzilla.redhat.com/show_bug.cgi?id=308371
The good news is that for your purposes of the moment, trying mode 6 from
the list shown above may meet your needs of just packing more information
on the screen.
Cheers,
Nelson
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