Comment 0 for bug 383973

This is a karmic issue of kernel 2.6.30-8 only (not 2.6.30-7, I tested it now)
My system freezes after a period of inactivity, after the screen is blanked I cannot recover it.

ProblemType: Bug
Architecture: amd64
Date: Fri Jun 5 17:31:24 2009
DistroRelease: Ubuntu 9.10
HibernationDevice: RESUME=UUID=f2f2f06b-2789-4704-8267-388f1e8bc9ca
MachineType: Dell Inc. Latitude E6400
Package: linux-image-2.6.30-8-generic 2.6.30-8.9
ProcCmdLine: root=UUID=0f5f2103-da7b-4e52-ab7f-df158e2f816a ro quiet splash
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.30-8.9-generic
RelatedPackageVersions: linux-backports-modules-2.6.30-8-generic N/A
SourcePackage: linux
Uname: Linux 2.6.30-8-generic x86_64
dmi.bios.date: 12/17/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A11
dmi.board.name: 0RX493
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA11:bd12/17/2008:svnDellInc.:pnLatitudeE6400:pvr:rvnDellInc.:rn0RX493:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude E6400
dmi.sys.vendor: Dell Inc.