The fix_fb_fonts.diff patch fixes this bug for me.
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atyfb regression - screen blank except for blinking cursor after fbcon vtswitch
https://bugs.launchpad.net/bugs/201591
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ubuntu-bugs
I narrowed this breakage down to one commit. See Bug #204319
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atyfb regression - screen blank except for blinking cursor after fbcon vtswitch
https://bugs.launchpad.net/bugs/201591
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Bugs, which is subscribed to Ubuntu.
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I suspect this fix will also fix Bug #201591
It is apparently not specific to radeonfb.
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radeonfb regression: disappearing fonts upon VT switch
https://bugs.launchpad.net/bugs/204319
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Public bug reported:
Binary package hint: linux-image-2.6.24-12-server
This is an Ubuntu 8.04 x86_64 16-core Dell PowerEdge R900 system with
built-in ATI video. The system does not run X. I am using the boot
option video=radeonfb:1024x768
After upgrading from linux-image 2.6.24-7.12 to 2.6.24-
Public bug reported:
Binary package hint: xserver-xorg-core
A user I support, running a fully updated 6.06LTS, reports this crash on
three machines with various video cards using software rendering,
running glxgears with the system loaded. It appears to be a fixed bug
in Mesa: see http://bugs.fr
