On 25/11/13 12:50, Richard Sewill wrote:
I hesitate trying to answer this question because what I am doing may
be wrong.
I tried the following on F18.
I edited the line, found in file /etc/default/grub, which starts
GRUB_CMDLINE_LINUX="rd.md=0 ... rhgb quiet"
appending strings so it had
GRUB_CMDLINE_LINUX="rd.md=0 ... rhgb quiet"
drm_kms_helper.edid_firmware=edid/1024x768.bin video=VGA-1:e
I next edited any existing lines in /boot/grub2/grub.cfg that had the
string "rhgb quiet" to include the
drm_kms_helper.edid_firmware=edid/1024x768.bin video=VGA-1:e
string which I since learned is the wrong things to do.
From my limited understanding, /boot/grub2/grub.cfg is auto-generated
using /etc/default/grub each time /boot/grub2/grub.cfg is recreated.
I should have used the grub2-mkconfig command instead of editing
/boot/grub2/grub.cfg directly.
I got this idea reading
https://wiki.archlinux.org/index.php/Kernel_Mode_Setting#Forcing_modes_and_EDID
and
https://www.osadl.org/Single-View.111+M5b7fe294ea7.0.html
In my case I wish to run a headless server, but wish to have Linux
believe there is a certain size window if I vnc into the server using
x11vnc on the server.
My vnc client happens to run on a laptop with a screen size, 1024x768.
I do not know if you need the video=VGA-1:e because you indicated you
have a monitor connected.
I do not know if you can use one of the four standard timings that are
hard-coded in the driver.
Please note: there are notes saying this works only with certain drivers.
I am using the nouveau driver.
I don't know if this works if you are using the nvidia driver; a note
in one of the URLs said it did not work with the nvidia driver at one
time.
Please save any files before editing. You and I don't know if this
will work for you. It's best to play it safe and have backups just in
case.
Thanks for your thoughts. This may work but I am hesitant to go too far
in experimenting for fear of not being able to boot the computer which
is always a bother ... What I have works, I was hoping someone knew of a
better way that had worked for them.
Bob
--
http://www.qrz.com/db/W2BOD
Box 10 Fedora-19/64 XFCE Linux
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