I have exactly the same problem with Russian documentation installed. Yelp stops crashing if launched with LANGUAGE=C
DistroRelease: Ubuntu 11.04 Package: yelp 3.0.0-0ubuntu2 Arch: amd64 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to yelp in Ubuntu. https://bugs.launchpad.net/bugs/762725 Title: yelp crashed with SIGSEGV in free() while searching Status in “yelp” package in Ubuntu: Expired Bug description: Binary package hint: yelp crashed while searching for a topic ProblemType: Crash DistroRelease: Ubuntu 11.04 Package: yelp 3.0.0-0ubuntu2 ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2 Uname: Linux 2.6.38-8-generic x86_64 NonfreeKernelModules: nvidia Architecture: amd64 Date: Sat Apr 16 14:41:21 2011 ExecutablePath: /usr/bin/yelp InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007) ProcCmdline: gnome-help ProcEnviron: LANGUAGE=de:en LANG=de_DE.UTF-8 SHELL=/bin/bash SegvAnalysis: Segfault happened at: 0x7f92af65088d <free+29>: mov -0x8(%rdi),%rsi PC (0x7f92af65088d) ok source "-0x8(%rdi)" (0xfffffffffffffffb) not located in a known VMA region (needed readable region)! destination "%rsi" ok Stack memory exhausted (SP below stack segment) SegvReason: reading unknown VMA Signal: 11 SourcePackage: yelp StacktraceTop: free () from /lib/x86_64-linux-gnu/libc.so.6 ?? () from /usr/lib/libyelp.so.0 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 clone () from /lib/x86_64-linux-gnu/libc.so.6 Title: yelp crashed with SIGSEGV in free() UpgradeStatus: Upgraded to natty on 2011-04-15 (0 days ago) UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/yelp/+bug/762725/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp