Public bug reported:

Suspend fails to wake up on this laptop. Command pm-suspend causes this as does 
the gnome power manager in response to acpi events such as lid close. 
 
Suspend works, screen goes off, disks and fans spin down, power led throbs, 
pm-suspend.log lists either “success” or “not applicable” for each subsystem 
then reports that it is preforming suspend. On resume, the display back light 
lights up to a black screen, flashing cursor in the upper left corner and 
nothing. Disk activity light does not flash. No key actions (ctl-alt-bksp, 
ctl-alt-fX, ctl-alt-del) do anything, must power cycle by either removing ac 
adapter and battery or holding power button down for 6 to 10 seconds. 

Note that the older script /etc/acpi/sleep.sh works almost flawlessly,
only requiring the network to be manually reconnected.

This fails this way every time I try to suspend this laptop using the
pm-suspend script, but the acpi sleep script works everytime.

I updated the bios to the most recent version (a14) available on the
Dell support web site from a08.  This fixed the blank screen with non
flashing cursor issue with the /etc/acpi/sleep.sh script, and the resume
from the pm-suspend script went from blank screen with non flashing
cursor to a blank screen with a flashing cursor.

The pm-hibernate script shuts off the computer with no problem. On
resume, X comes back up, the network is connected, but the virtual
terminals are a gibberish of corrupted video. The /etc/acpi/hibernate.sh
script also saves and shuts down the computer, on wake up freezes the
computer with lines of video corruption when X should be restarted.

ProblemType: KernelOops
Annotation: This occured during a previous suspend and prevented it from 
resuming properly.
Architecture: i386
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/share/apport/apportcheckresume
Failure: suspend/resume
InterpreterPath: /usr/bin/python2.6
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: Dell Computer Corporation Inspiron 8600
Package: linux-image-2.6.28-11-generic 2.6.28-11.41
ProcAttrCurrent: unconfined
ProcCmdLine: root=UUID=404d3cc2-7b16-4241-b6d3-e852644392da ro quiet splash
ProcCmdline: /usr/bin/python /usr/share/apport/apportcheckresume
ProcEnviron: PATH=(custom, no user)
ProcVersionSignature: Ubuntu 2.6.28-11.41-generic
SourcePackage: linux
Tags: resume suspend
Title: [Dell Computer Corporation Inspiron 8600] suspend/resume failure
UserGroups:

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-kerneloops i386 resume suspend

-- 
suspend fails on dell inspiron 8600 laptop
https://bugs.launchpad.net/bugs/361853
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