[kernel-fixed-upstream][Dell Inc. Vostro1510] suspend/resume failure [non-free: nvidia]

I send the shutdown comand and the computer stops during the this task sometimes.
If I close the screen of the notebook during the process it stops allways.

ProblemType: KernelOops
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-19-generic 3.13.0-19.39
ProcVersionSignature: Ubuntu 3.13.0-19.39-generic 3.13.6
Uname: Linux 3.13.0-19-generic x86_64
NonfreeKernelModules: nvidia
Annotation: This occured during a previous suspend and prevented it from resuming properly.
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: lightdm 1533 F.... pulseaudio
                      luan 2116 F.... pulseaudio
Date: Wed Mar 26 23:02:13 2014
ExecutablePath: /usr/share/apport/apportcheckresume
Failure: suspend/resume
HibernationDevice: RESUME=UUID=2ccc6e6f-05fd-4002-9150-902cd88dd452
InstallationDate: Installed on 2014-03-21 (5 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140321)
InterpreterPath: /usr/bin/python3.4
MachineType: Dell Inc. Vostro1510
ProcCmdline: /usr/bin/python3 /usr/share/apport/apportcheckresume
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
ProcFB:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-19-generic root=UUID=027ff632-0a3d-4d36-95c3-79aa8a55c154 ro quiet splash
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-19-generic N/A
 linux-backports-modules-3.13.0-19-generic N/A
 linux-firmware 1.126
SourcePackage: linux
Title: [Dell Inc. Vostro1510] suspend/resume failure [non-free: nvidia]
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 03/18/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A15
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnDellInc.:bvrA15:bd03/18/2009:svnDellInc.:pnVostro1510:pvrNull:rvnDellInc.:rn:rvr:cvnDellInc.:ct8:cvrN/A:
dmi.product.name: Vostro1510
dmi.product.version: Null
dmi.sys.vendor: Dell Inc.