I added the no_console_suspend flag to /boot/grub/menu.lst.  This
produced some more data but didn't fix the problem.  Here's the new
data, with the changing numbers replaced with bracketed place holders:

[TIME] PM: Loading image data pages ([PAGES] pages) ... done
[TIME] PM: Read [KBYTES] kbytes in [SECS] seconds ([MBYTES] MB/s)
[TIME] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[TIME] serial 00:09: disabled
[TIME] ata-piix 0000:00:1f.1: PCI INT A disabled
[TIME] ehci_hcd 0000:00:1d.7: PCI INT D disabled
[TIME] uhci_hcd 0000:00:1d.2: PCI INT C disabled
[TIME] uhci_hcd 0000:00:1d.1: PCI INT B disabled
[TIME] uhci_hcd 0000:00:1d.0: PCI INT A disabled
[TIME] Disabling non-boot CPUs ...
[TIME] Extended CMLS year 2000

I ran the test twice and it hung at this point both times.

I should note that the test goes like this:

* boot machine with power cord plugged in
* hibernate with power cord still plugged in
* remove power cord
* thaw (push power button to restart from hibernate) on batter power
* hang

Despite my earlier comment, this shift from AC to batter while
hibernated does seem to make the hang reproducible thus far.  So perhaps
that pattern is important after all.

-- 
Hibernate fails on Thinkpad T41
https://bugs.launchpad.net/bugs/282220
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