I am positive that when I don't press escape that GRUB is defaulting to
the most recent kernel, as I have removed all old kernels from my system
and currently have only one installed.

I have GRUB 2 installed, which no longer has a menu.lst file. I manually
removed the "quiet" and added the "nosplash" boot options from/to the
GRUB command line. This did not resolve the problem.

I still wonder if this problem could be related to kernel mode setting
in the Intel driver. I believe the Linux kernel framebuffer is used to
show some of the splash screens prior to X.Org start; and the
framebuffer has its own driver(s), but I don't know if they share any
code with parts of the Intel driver in the kernel.

I used to occasionally have the same problem when switching between
virtual terminals; however, I just tried to replicate that problem, and
I can't seem to make this happen, at least at the moment. (In fact, this
is what originally made me suspect it was a mode setting problem--I
believe that not only is mode setting normally done when booting but
also when switching between GUI and virtual terminal.)

For purposes of disclosure, I am affected by the following bug; and I don't 
know if this is related:
https://bugs.edge.launchpad.net/linux/+bug/404064

In addition, I see several instances of the following messages in dmesg; and I 
don't know if they are related:
"i2c-adapter i2c-1: unable to read EDID block."
"i915 0000:00:02.0: LVDS-1: no EDID data"

** Summary changed:

- broken PAT code in kernel causes consistent xorg freeze at startup for some 
users of intel driver
+ Blank Black Screen at Boot

** Summary changed:

- Blank Black Screen at Boot
+ Occasional Blank Black Screen at Boot

-- 
Occasional Blank Black Screen at Boot
https://bugs.launchpad.net/bugs/372028
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