Could my problem be related?  I get a completely blank screen until X starts, 
when I boot.  I mean completely blank.
In other words, no BIOS messages, no SplashTop, no grub menu, nothing.

This happened while I was finalising my install on a new PC, and changed
from using a CRT monitor on DVI directly, to using D-SUB (VGA) connector
through a Belkin 4-port KVM.

So I boot now by waiting a few seconds for Splashtop to have appeared, the n 
hit Enter (since I configured it
to prompt rather than timeout, and luckily it starts with the mouse hovering 
over the Exit Splashtop option);
then I wait a few seconds for grub to load, then nit Enter again to choose my 
default kernel.  Then 20 or 30 seconds
later X starts up and suddenly i see the Ubunti screen an all is well.

But if I ever mess up a grub config or some other hardware or config problem 
then I'll be literally in the dark,
and unable to do any BIOS stuff or grub stuff to get back in operation.

I have a theory that because /etc/usplash.conf had been set by something to 
1920x1440 mode while I was using
the CRT, that by changing it back to represent 1024x768 and re-running 
"update-usplash-theme usplash-theme-ubuntu"
to modify the initrd image, things may come good.  But i'd welcome any advice 
before I next try to reboot.

I do see a message from the LCD monitor about "Display mode out of range" at 
various stages, so this may be on the right track.  Though I'm very very 
surprised that anything could stop the BIOS messages from displaying on screen. 
 Could
the usplash feature set the resolution in the nVidia graphics card so that it 
starts up in that mode on a warm boot?!

I suppose another possibility is that all the boot messages are going out only 
on the DVI channel, and nothing on the
VGA, until X starts?

luke

-- 
Long delay with blank screen during boot
https://bugs.launchpad.net/bugs/563480
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.

-- 
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs

Reply via email to