package firmware-b43-installer 1:014-9 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 4

ocurred on upgrade Ubuntu 11.04 to 11.10

ProblemType: Package
DistroRelease: Ubuntu 11.10
Package: firmware-b43-installer 1:014-9
ProcVersionSignature: Ubuntu 2.6.38-11.50-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic i686
ApportVersion: 1.23-0ubuntu3
Architecture: i386
Date: Sat Oct 15 12:50:08 2011
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 4
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
PackageArchitecture: all
SourcePackage: b43-fwcutter
Title: package firmware-b43-installer 1:014-9 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 4
UpgradeStatus: Upgraded to oneiric on 2011-10-15 (0 days ago)