suspend/resume failure

no idea as to the cause.

ProblemType: KernelOops
DistroRelease: Ubuntu 13.04
Package: linux-image-3.1.10-8-nexus7 3.1.10-8.21
Uname: Linux 3.1.10-8-nexus7 armv7l
Annotation: This occured during a previous suspend and prevented it from resuming properly.
ApportVersion: 2.8-0ubuntu2
Architecture: armhf
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: vorlon 1221 F.... pulseaudio
CrashDB:
 {"impl": "launchpad",
                             "project": "ubuntu-nexus7",
                             "bug_pattern_url": "http://people.canonical.com/~ubuntu-archive/bugpatterns/bugpatterns.xml",
                           }
Date: Tue Jan 29 01:15:17 2013
ExecutablePath: /usr/share/apport/apportcheckresume
Failure: suspend/resume
HibernationDevice: RESUME=UUID=a19177a8-a86f-45f4-94f7-2bdb6c360d83
InstallationDate: Installed on 2013-01-25 (4 days ago)
InstallationMedia: Ubuntu Raring Ringtail (development branch) - armhf (20130124-15:18)
InterpreterPath: /usr/bin/python3.3
Lspci:

Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 002: ID 0409:005a NEC Corp. HighSpeed Hub
 Bus 002 Device 003: ID 0557:8021 ATEN International Co., Ltd
 Bus 002 Device 004: ID 045e:00db Microsoft Corp. Natural Ergonomic Keyboard 4000 V1.0
MarkForUpload: True
ProcCmdline: /usr/bin/python3 /usr/share/apport/apportcheckresume
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
ProcFB:
 0 tegra_fb
 1 tegra_fb
ProcKernelCmdLine: tegra_wdt.heartbeat=30 tegraid=30.1.3.0.0 mem=1022M@2048M android.commchip=0 vmalloc=128M androidboot.serialno=015d2109823ffc0a video=tegrafb no_console_suspend=1 console=none debug_uartport=hsport usbcore.old_scheme_first=1 lp0_vec=8192@0xbddf9000 tegra_fbmem=8195200@0xabe01000 core_edp_mv=0 audio_codec=rt5640 board_info=f41:a00:1:44:2 tegraboot=sdmmc gpt gpt_sector=30535679 androidboot.bootloader=3.34 root=/dev/mmcblk0p9 ro console=tty0 fbcon=rotate:1 access=m2 quiet splash
ProcModules: zram 8348 4 - Live 0xbf000000 (C)
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-3.1.10-8-nexus7 N/A
 linux-backports-modules-3.1.10-8-nexus7 N/A
 linux-firmware 1.99
SourcePackage: linux-nexus7
StagingDrivers: zram
Title: suspend/resume failure
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: