testdrive-gtk crashed with SIGSEGV in pango_context_get_base_dir()

[Nicholas Skaggs]

One time launching testdrive gave this random error upon startup.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: testdrive-gtk 3.16-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-5.5-generic 3.5.0-rc7
Uname: Linux 3.5.0-5-generic x86_64
ApportVersion: 2.4-0ubuntu5
Architecture: amd64
Date: Wed Jul 25 11:04:42 2012
ExecutablePath: /usr/bin/testdrive-gtk
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/testdrive-gtk
SegvAnalysis:
 Segfault happened at: 0x7f894951f475 <pango_context_get_base_dir+5>: mov 0x28(%rdi),%eax
 PC (0x7f894951f475) ok
 source "0x28(%rdi)" (0xaaaaaaaaaaaaaad2) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: testdrive
StacktraceTop:
 pango_context_get_base_dir () from /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0
 pango_layout_get_pixel_extents () from /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
Title: testdrive-gtk crashed with SIGSEGV in pango_context_get_base_dir()
UpgradeStatus: Upgraded to quantal on 2012-07-20 (4 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 pango_context_get_base_dir (context=0xaaaaaaaaaaaaaaaa) at /build/buildd/pango1.0-1.30.1/./pango/pango-context.c:428
 pango_layout_check_lines (layout=0x16eb6f0) at /build/buildd/pango1.0-1.30.1/./pango/pango-layout.c:3827
 pango_layout_check_lines (layout=0x16eb6f0) at /build/buildd/pango1.0-1.30.1/./pango/pango-layout.c:3788
 pango_layout_get_extents_internal (layout=0x16eb6f0, ink_rect=0x0, logical_rect=<optimized out>, line_extents=0x0) at /build/buildd/pango1.0-1.30.1/./pango/pango-layout.c:2490
 pango_layout_get_pixel_extents (layout=0x16eb6f0, ink_rect=0x0, logical_rect=0x7fff323d1500) at /build/buildd/pango1.0-1.30.1/./pango/pango-layout.c:2698

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Jackson Doak (noskcaj)]

I got the error after xfce4-session auto-opened the app.