I just did some testing with hibernation and finally got something to
resume!

Unfortunately, the method is:
- Boot Ubuntu with quiet/splash off and no_console_suspend on
- Go immediately to Virtual Terminal 1
- 'sudo pm-hibernate'

(The computer hibernates)

- Start up the machine
- (Again) Boot Ubuntu with quiet/splash off and no_console_suspend on

I was dropped right back where I started on Virtual Terminal 1, with the
preceding lines showing in the terminal, etc. Although this method of
hibernation worked, when I tried to go to Virtual Terminal 7 (which is
running X), the system froze up.

These three lines appeared when I was entering hibernation. They're the
same as what I saw when entering suspend:

Jun  1 13:20:16 mash kernel: [  108.090910] btusb_intr_complete: hci0 urb 
ffff880117ce4f00 failed to resubmit (1)
Jun  1 13:20:16 mash kernel: [  108.091898] btusb_bulk_complete: hci0 urb 
ffff880117ce4d80 failed to resubmit (2)
Jun  1 13:20:16 mash kernel: [  108.091971] btusb_bulk_complete: hci0 urb 
ffff880117ce4e40 failed to resubmit (1)

I've attached the appropriate chunk of kern.log, annotated with what
happened and when.

** Attachment added: "kern-log-hibernate-problems-2009-06-01.txt"
   
http://launchpadlibrarian.net/27376486/kern-log-hibernate-problems-2009-06-01.txt

-- 
[Dell XPS m1530] Resume fails after hibernate/suspend
https://bugs.launchpad.net/bugs/366264
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