I don't know if apport-collected is actually valid.  I tried to run
"apport-collect -p linux 416905" but was told that the -p option no
longer exists and the syntax is now "apport-gtk <bug number>".  When I
ran "apport-collect 416905", apport crashed with an error that I
eventually gave up trying to copy (reasons explained below) and failed
to connect to the DB (even though my Internet connection appeared
otherwise fine) when apport tried to report that crash.

Entering hibernation seemed to go fine.  When I came back out of
hibernation, the screen was flickering very badly, as if the vertical
refresh wasn't matching what the monitor was using.  This made it hard
to see what was going on, but I had a Terminal window open before
hibernating so I used that to enter the apport-collect commands.  The
mouse cursor was barely visible through this and didn't always register
that I had clicked on something.  Reading results was also difficult.
When I tried to shut down, the system unloaded GNOME fine, but the
shutdown splash screen never appeared and after almost 10 minutes I
forced the system to power off.  I've since tried three times to boot
the system, each time after about 5 minutes of it just sitting at the
boot splash I hard booted and tried again.  It finally booted on the
fourth try with no sign of the previous video issues.

I used the nouveau driver for this test, but trying again with the
proprietary nVidia driver wasn't any better.  The system seemed to come
out of hibernate this time, and I do have power going to USB devices
that get plugged in, but the screen stays blank even when I try to
switch to another vterm.  Taking it on faith that there's something
there to log in to doesn't seem to work on either the text or graphical
vterms.  I left it that way for about 10 minutes then forced a restart
and got back to a normal session.

I'll repeat as much of this as I can with the latest upstream kernel and
see if there's any changes.

-- 
 Hewlett-Packard HP Pavilion dv2500 Notebook PC  hibernate/resume failure 
https://bugs.launchpad.net/bugs/416905
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