hud-service crashed with signal 5 in ffi_call_SYSV()

I started to copy a file from a sftp server to my computer, and hud hang.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: indicator-appmenu 0.3.2+hud5-0ubuntu1~ppa4
ProcVersionSignature: Ubuntu 3.2.0-12.20-generic 3.2.2
Uname: Linux 3.2.0-12-generic i686
NonfreeKernelModules: nvidia wl
ApportVersion: 1.91-0ubuntu1
Architecture: i386
CrashCounter: 1
CrashDB: indicator_appmenu
Date: Tue Jan 31 20:00:28 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/lib/indicator-appmenu/hud-service
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
ProcCmdline: /usr/lib/indicator-appmenu/hud-service
Signal: 5
SourcePackage: indicator-appmenu
StacktraceTop:
 ?? ()
 ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
 ffi_call_SYSV () from /usr/lib/i386-linux-gnu/libffi.so.6
 ffi_call () from /usr/lib/i386-linux-gnu/libffi.so.6
ThirdParty: True
Title: hud-service crashed with signal 5 in ffi_call_SYSV()
UpgradeStatus: Upgraded to precise on 2012-01-28 (3 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare