[Bug 1259510] Re: segmentation fault

[David Santos]

Now I can't do an apt-get dist-upgrade because new packages that depend
on fontconfig don't install due to apt not being able to finish setting
it up.

For example:

dpkg: dependency problems prevent configuration of libpango-1.0-0:i386:
 libpango-1.0-0:i386 depends on fontconfig (>= 2.1.91); however:
  Package fontconfig is not configured yet.

dpkg: error processing libpango-1.0-0:i386 (--configure):
 dependency problems - leaving unconfigured


** Summary changed:

- segmentation fault
+ fontconfig segmentation fault during package installation

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https://bugs.launchpad.net/bugs/1259510

Title:
  fontconfig segmentation fault during package installation

Status in “fontconfig” package in Ubuntu:
  New

Bug description:
  During update, while doing post-install processing, apt-get reports
  that the process died with a SIGSEGV, and /var/log/fontconfig.log has
  only one line: "Segmentation fault (core dumped)".

  I realize that this is not enough information, but I don't know what
  other information would be relevant (and/or how to obtain it), so I'd
  appreciate it if anyone could tell me what other information about my
  system or what other logs I need to add.

  A few days earlier, I had a problem where I couldn't log in, and it
  turned out to be a segfault in libfreetype.so. After I had copied
  several fonts from a Windows partition, fc-cache crashed and that
  seems to be what caused the segfaults in FreeType. I realized that the
  fonts I copied from the Windows partition had permissions 640, so they
  weren't readable when I ran fc-cache from my regular user account.
  After I chmod'ed them to 644 and ran fc-cache, the FreeType segfaults
  stopped and I was able to log back into X, but ever since then,
  whenever I try to update fontconfig, it segfaults in the post-install
  step and apt-get reports one package "not fully installed" (or
  something to that effect).

  I don't know if both problems are related. I just mentioned the fc-
  cache/libfreetype issue because it seemed odd to me that two font-
  related packages would start segfaulting within days of each other.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: fontconfig 2.11.0-0ubuntu3
  ProcVersionSignature: Ubuntu 3.12.0-5.13-generic 3.12.2
  Uname: Linux 3.12.0-5-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.12.7-0ubuntu1
  Architecture: i386
  CurrentDesktop: Unity
  Date: Tue Dec 10 09:12:19 2013
  InstallationDate: Installed on 2013-12-01 (9 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha i386 (20131130)
  SourcePackage: fontconfig
  UpgradeStatus: No upgrade log present (probably fresh install)

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