compiz crashed with SIGSEGV in gray_render_scanline()

[Eder Andrés Ávila Niño]

I'm testing the development brach Ubuntu 14.04 Unity. Frozeen Screen when typing into the Ubuntu Dash.

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: unity 7.1.2+14.04.20131106.1-0ubuntu2
ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
Uname: Linux 3.13.0-5-generic x86_64
ApportVersion: 2.13.1-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Jan 28 08:45:07 2014
ExecutablePath: /usr/bin/compiz
InstallationDate: Installed on 2014-01-28 (0 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140127.1)
ProcCmdline: compiz
SegvAnalysis:
 Segfault happened at: 0x7fbcd0a4a5a8: add %rdx,0x48(%r14)
 PC (0x7fbcd0a4a5a8) ok
 source "%rdx" ok
 destination "0x48(%r14)" (0x00000049) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libfreetype.so.6
 ?? () from /usr/lib/x86_64-linux-gnu/libfreetype.so.6
 ?? () from /usr/lib/x86_64-linux-gnu/libfreetype.so.6
 FT_Outline_Decompose () from /usr/lib/x86_64-linux-gnu/libfreetype.so.6
 ?? () from /usr/lib/x86_64-linux-gnu/libfreetype.so.6
Title: compiz crashed with SIGSEGV in FT_Outline_Decompose()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 gray_render_scanline (worker=0x1, worker@entry=0x22b8bd0, ey=ey@entry=3, x1=x1@entry=9151, y1=-288, y1@entry=256, x2=x2@entry=9792, y2=y2@entry=48) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftgrays.c:753
 gray_render_line (worker=0x22b8bd0, to_x=9792, to_y=816) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftgrays.c:901
 gray_line_to (to=<optimized out>, worker=<optimized out>) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftgrays.c:1200
 FT_Outline_Decompose (outline=outline@entry=0x22b92f8, func_interface=func_interface@entry=0x7fbcd0c8cde0 <func_interface>, user=user@entry=0x22b8bd0) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/base/ftoutln.c:161
 gray_convert_glyph_inner (worker=worker@entry=0x22b8bd0) at /build/buildd/freetype-2.5.2/freetype-2.5.2/src/smooth/ftgrays.c:1791

[Launchpad Janitor (janitor)]

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

[Will Cooke (willcooke)]

As part of the big bug clear up for 16.04 LTS I am marking this bug as Wont Fix. These types of crasher are better handled by errors.ubutnu.com which can collate similar crash reports to help us identify persitent bugs rather than one-off crashes. Sorry we are not able to help with this specific issue. If you are still experiencing this crash, please re-open the bug and add the tag “desktop-bugscrub-reopen”. See https://wiki.ubuntu.com/BigDesktopBugScrub for more information.