yelp crashed with SIGSEGV in g_str_hash()

- Ubuntu 11.10 amd64

Steps to reproduce it:

1) Right-click on a file (e.g filename.pdf)
2) Choose to open it with "Help"

Then opened a blank page

3) Type a keyword into the search bar

Then I get a crash and the program is closed

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: yelp 3.0.3-0ubuntu2
ProcVersionSignature: Ubuntu 3.0-3.4-generic 3.0.0-rc5
Uname: Linux 3.0-3-generic x86_64
Architecture: amd64
CrashCounter: 1
Date: Tue Jul 12 18:22:08 2011
ExecutablePath: /usr/bin/yelp
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110705.1)
ProcCmdline: yelp /home/username/Scrivania/issue43_selectable.pdf
ProcEnviron:
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f41bedd3d90 <g_str_hash>: movzbl (%rdi),%edx
 PC (0x7f41bedd3d90) ok
 source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: yelp
StacktraceTop:
 g_str_hash () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_hash_table_lookup () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? ()
 ?? ()
 ?? ()
Title: yelp crashed with SIGSEGV in g_str_hash()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare