sound does not work after hibernating twice

sound is not working after a number of hibernates
two?
It seems to be fine after one. Restarting fixes it.

ProblemType: Bug
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: jack 2221 F.... pulseaudio
 /dev/snd/pcmC0D0p: jack 2221 F...m pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf0b40000 irq 22'
   Mixer name : 'Realtek ALC861-VD'
   Components : 'HDA:10ec0862,11791205,00100001 HDA:11c13026,11790001,00100700'
   Controls : 15
   Simple ctrls : 10
Date: Tue Jan 12 18:53:56 2010
DistroRelease: Ubuntu 9.10
HibernationDevice: RESUME=UUID=56559668-04a6-4e69-9d24-5571506db173
MachineType: TOSHIBA Satellite A100
Package: linux-image-2.6.31-18-generic 2.6.31-18.55
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: root=UUID=d1c27540-49ad-4002-8a84-9eba9c413cf1 ro quiet splash
ProcEnviron:
 PATH=(custom, user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-18.55-generic
RelatedPackageVersions:
 linux-backports-modules-2.6.31-18-generic N/A
 linux-firmware 1.26
RfKill:
 0: phy0: Wireless LAN
  Soft blocked: no
  Hard blocked: yes
SourcePackage: linux
Uname: Linux 2.6.31-18-generic i686
WpaSupplicantLog:

dmi.bios.date: 07/12/2007
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 6.00
dmi.board.name: CAPELL VALLEY(NAPA) CRB
dmi.board.vendor: Intel Corporation
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd07/12/2007:svnTOSHIBA:pnSatelliteA100:pvrPSAANE-02C02EEN:rvnIntelCorporation:rnCAPELLVALLEY(NAPA)CRB:rvrNotApplicable:cvnNoEnclosure:ct1:cvrN/A:
dmi.product.name: Satellite A100
dmi.product.version: PSAANE-02C02EEN
dmi.sys.vendor: TOSHIBA