Public bug reported:

When I want to suspend the computer with the hibernate option, there's
no feedback of what is happening, and the computer stays on.

Hibernation _works_: if turn it off & on again, it resumes correctly.

I've edited /etc/default/acpi-support to make suspend & hibernate work
(disabling vbestate & post_video). I've tried to change hibernate_mode
from shutdown to platform, but it doesn't change anything.


/var/log/syslog:
Oct 11 12:03:27 clementine kernel: [  107.887134] ACPI: PCI interrupt for 
device 0000:01:09.0 disabled 
Oct 11 12:06:44 clementine kernel: [  109.829213] PM: suspend-to-disk mode set 
to 'platform' 
Oct 11 12:06:44 clementine kernel: [  109.829444] swsusp: Basic memory bitmaps 
created 
Oct 11 12:06:44 clementine kernel: [  109.829447] Stopping tasks ... done. 
Oct 11 12:06:44 clementine kernel: [  110.244328] Shrinking memory...  
^H-^H\^H|^H/^Hdone (31740 pages freed) 
Oct 11 12:06:44 clementine kernel: [  110.652418] Freed 126960 kbytes in 0.40 
seconds (317.40 MB/s) 
Oct 11 12:06:44 clementine kernel: [  110.652909] Suspending console(s) 
Oct 11 12:06:44 clementine kernel: [  110.652944] sd 3:0:0:0: [sda] 
Synchronizing SCSI cache 
Oct 11 12:06:44 clementine kernel: [  110.683105] usb_endpoint usbdev2.2_ep04: 
PM: suspend 0->1, parent 2-1:1.2 already 2 
Oct 11 12:06:44 clementine kernel: [  110.683109] usb_endpoint usbdev2.2_ep84: 
PM: suspend 0->1, parent 2-1:1.2 already 2 
Oct 11 12:06:44 clementine kernel: [  110.994469] usb_device usbdev3.1: PM: 
suspend 0->1, parent usb3 already 2 
Oct 11 12:06:44 clementine kernel: [  110.994472] usb_endpoint usbdev3.1_ep81: 
PM: suspend 0->1, parent 3-0:1.0 already 2 
Oct 11 12:06:44 clementine kernel: [  110.994475] hub 3-0:1.0: PM: suspend 
2->1, parent usb3 already 2 
Oct 11 12:06:44 clementine kernel: [  110.994477] usb_endpoint usbdev3.1_ep00: 
PM: suspend 0->1, parent usb3 already 2 
Oct 11 12:06:44 clementine kernel: [  110.994926] pnp: Device 00:0b disabled. 
Oct 11 12:06:44 clementine kernel: [  110.995101] pnp: Device 00:0a disabled. 
Oct 11 12:06:44 clementine kernel: [  110.995257] pnp: Device 00:09 disabled. 
Oct 11 12:06:44 clementine kernel: [  110.995287] NVRM: RmPowerManagement: 3 
Oct 11 12:06:44 clementine kernel: [  111.394527] ACPI: PCI interrupt for 
device 0000:00:06.0 disabled 
Oct 11 12:06:44 clementine kernel: [  111.394618] ACPI: PCI interrupt for 
device 0000:00:02.2 disabled 
Oct 11 12:06:44 clementine kernel: [  111.410328] ACPI: PCI interrupt for 
device 0000:00:02.1 disabled 
Oct 11 12:06:44 clementine kernel: [  111.426310] ACPI: PCI interrupt for 
device 0000:00:02.0 disabled 
Oct 11 12:06:44 clementine kernel: [  111.442358] pci_set_power_state(): 
0000:00:00.0: state=3, current state=5 
Oct 11 12:06:44 clementine kernel: [  111.442392] Disabling non-boot CPUs ... 
Oct 11 12:06:44 clementine kernel: [  111.442395] PM: snapshotting memory. 
Oct 11 12:06:44 clementine kernel: [  111.442610] swsusp: critical section: 
Oct 11 12:06:44 clementine kernel: [  111.488902] swsusp: Need to copy 125598 
pages 
Oct 11 12:06:44 clementine kernel: [  111.488906] swsusp: Normal pages needed: 
118107 + 1024 + 24, available pages: 129030 
Oct 11 12:06:44 clementine kernel: [   63.034879] PM: Image restored 
successfully. 

uname -a:
Linux clementine 2.6.22-14-generic #1 SMP Wed Oct 10 06:00:47 GMT 2007 i686 
GNU/Linux

/etc/default/acpi-support:
# Comment the next line to disable ACPI suspend to RAM
ACPI_SLEEP=true

# Comment the next line to disable suspend to disk
ACPI_HIBERNATE=true

# Change the following to "standby" to use ACPI S1 sleep, rather than S3.
# This will save less power, but may work on more machines
ACPI_SLEEP_MODE=mem

# Add modules to this list to have them removed before suspend and reloaded
# on resume. An example would be MODULES="em8300 yenta_socket"
#
# Note that network cards and USB controllers will automatically be unloaded 
# unless they're listed in MODULES_WHITELIST
MODULES=""

# Add modules to this list to leave them in the kernel over suspend/resume
MODULES_WHITELIST=""

# Should we save and restore state using the VESA BIOS Extensions?
SAVE_VBE_STATE=false

# The file that we use to save the vbestate
VBESTATE=/var/lib/acpi-support/vbestate

# Should we attempt to warm-boot the video hardware on resume?
POST_VIDEO=false

# Save and restore video state?
# SAVE_VIDEO_PCI_STATE=true

# Should we switch the screen off with DPMS on suspend?
USE_DPMS=true

# Use Radeontool to switch the screen off? Seems to be needed on some machines
# RADEON_LIGHT=true

# Uncomment the next line to switch away from X and back again after resume.
# This is needed for some hardware, but should be unnecessary on most.
DOUBLE_CONSOLE_SWITCH=true

# Set the following to "platform" if you want to use ACPI to shut down
# your machine on hibernation
#HIBERNATE_MODE=shutdown
HIBERNATE_MODE=platform

# Comment this out to disable screen locking on resume
LOCK_SCREEN=true

# Uncomment this line to have DMA disabled before suspend and reenabled
# afterwards
# DISABLE_DMA=true

# Uncomment this line to attempt to reset the drive on resume. This seems
# to be needed for some Sonys
# RESET_DRIVE=true

# Add services to this list to stop them before suspend and restart them in 
# the resume process.
STOP_SERVICES=""

# Restart Infra Red services on resume - off by default as it crashes some
# machines
RESTART_IRDA=false

# Switch to laptop-mode on battery power - off by default as it causes odd
# hangs on some machines
ENABLE_LAPTOP_MODE=false

# Spindown time on battery
SPINDOWN_TIME=12

** Affects: ubuntu
     Importance: Undecided
         Status: New

-- 
hibernation doesn't shutdown the computer
https://bugs.launchpad.net/bugs/151546
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