cupsd crashed with SIGSEGV in _ppdCacheCreateWithPPD()

[candyman]

can not upgrade.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: cups 1.5.2-8
ProcVersionSignature: Ubuntu 3.2.0-18.29-generic 3.2.9
Uname: Linux 3.2.0-18-generic i686
ApportVersion: 1.94.1-0ubuntu2
Architecture: i386
Date: Fri Mar 16 13:02:22 2012
ExecutablePath: /usr/sbin/cupsd
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
Lpstat: Error: command ['lpstat', '-v'] failed with exit code 1: lpstat: Connection refused
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 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 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 002: ID 045e:001c Microsoft Corp. Internet Keyboard Pro
MachineType: System Manufacturer System Name
Papersize: letter
PpdFiles:
 PDF: Generic CUPS-PDF Printer
 BRFAX: Brother BRMFCFAX for CUPS
 MFC790CW: Brother MFC-790CW CUPS v1.1
 HP-LaserJet-P1006: HP LaserJet P1006 Foomatic/foo2xqx (recommended)
ProcAttrCurrent: /usr/sbin/cupsd (enforce)
ProcCmdline: /usr/sbin/cupsd -F
ProcEnviron:
 PATH=(custom, no user)
 TERM=linux
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-18-generic root=UUID=5363906d-584e-4d40-a6c8-08cbe45f5e67 ro vga=769 quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0xe9395d <_ppdCacheCreateWithPPD+781>: mov 0xc(%eax),%edx
 PC (0x00e9395d) ok
 source "0xc(%eax)" (0x0000000c) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: cups
StacktraceTop:
 _ppdCacheCreateWithPPD () from /usr/lib/i386-linux-gnu/libcups.so.2
 ?? ()
 ?? ()
 ?? ()
 main ()
Title: cupsd crashed with SIGSEGV in _ppdCacheCreateWithPPD()
UpgradeStatus: Upgraded to precise on 2012-03-12 (4 days ago)
UserGroups:

dmi.bios.date: 10/28/2002
dmi.bios.vendor: Award Software, Inc.
dmi.bios.version: ASUS P4PE ACPI BIOS Revision 1002
dmi.board.name: P4PE
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: REV 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 7
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAwardSoftware,Inc.:bvrASUSP4PEACPIBIOSRevision1002:bd10/28/2002:svnSystemManufacturer:pnSystemName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP4PE:rvrREV1.xx:cvnChassisManufacture:ct7:cvrChassisVersion:
dmi.product.name: System Name
dmi.product.version: System Version
dmi.sys.vendor: System Manufacturer

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #957023, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.