Public bug reported:

Binary package hint: linux-source-2.6.22

Hello,
  This is very similar to bug #129910 in symptoms, however I am not not using a 
framebuffer or passing any vga parameters to the kernel.  I can see the system 
boot with usplash off (and on) and gdm loads fine.  However, whenever I switch 
to any of the vt's all I get is a blank screen.  This screen is white and looks 
like the LCD just isn't be initialized.  I can switch back to vt7 and the 
display comes back to life and everything is fine.   I can do blind logins on 
any of the vt1-6 and it is actually active.  The laptop is a Gateway 450ROG 
with a Radeon Mobility 9000 using the open source radeon driver.  :

01:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV250
[Mobility FireGL 9000] (rev 02)

I didn't have this problem in dapper->feisty.  I did a fresh install of
Gutsy and still seeing this with an out-of-the-box install.

Linux bridgetek 2.6.22-14-generic #1 SMP Sun Oct 14 23:05:12 GMT 2007
i686 GNU/Linux

>From menu.lst:
title           Ubuntu 7.10, kernel 2.6.22-14-generic
root            (hd0,0)
kernel          /boot/vmlinuz-2.6.22-14-generic 
root=UUID=203a15d5-3cd4-43bf-8de8-7824cbb5a79a ro
initrd          /boot/initrd.img-2.6.22-14-generic
quiet

I have tried to explicitly use a frame buffer and apply the fixes listed
in #129910, but none of them seem to help.

** Affects: linux-source-2.6.22 (Ubuntu)
     Importance: Undecided
         Status: New

-- 
No TTY access, not using framebuffer
https://bugs.launchpad.net/bugs/156726
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