Thanks for your bug report. This seems to be a broken cache file, and we believe that it was either a hardware bug or a bug fixed in recent APT versions that caused it. I am thus closing it.
** Changed in: apt (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/1044258 Title: apt-get crashed with SIGSEGV in ParentPkg() Status in apt package in Ubuntu: Invalid Bug description: apt-get crashed when I tried to pin some packages from quantal on a precise system. ProblemType: Crash DistroRelease: Ubuntu 12.04 Package: apt 0.8.16~exp12ubuntu10.3 ProcVersionSignature: Ubuntu 3.2.0-30.47-generic 3.2.27 Uname: Linux 3.2.0-30-generic i686 ApportVersion: 2.0.1-0ubuntu12 Architecture: i386 Date: Fri Aug 31 12:36:38 2012 ExecutablePath: /usr/bin/apt-get InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100318) ProcCmdline: apt-get install libgtk-3-0/quantal libglib2.0-0/quantal SegvAnalysis: Segfault happened at: 0x8066f4d: mov 0x1c(%eax),%eax PC (0x08066f4d) ok source "0x1c(%eax)" (0x6462321c) not located in a known VMA region (needed readable region)! destination "%eax" ok SegvReason: reading unknown VMA Signal: 11 SourcePackage: apt StacktraceTop: ?? () ?? () CommandLine::DispatchArg(CommandLine::Dispatch*, bool) () from /usr/lib/i386-linux-gnu/libapt-pkg.so.4.12 ?? () __libc_start_main (main=0x804fa90, argc=4, ubp_av=0xbf8a2654, init=0x806b2c0, fini=0x806b330, rtld_fini=0x8df270 <_dl_fini>, stack_end=0xbf8a264c) at libc-start.c:226 Title: apt-get crashed with SIGSEGV in CommandLine::DispatchArg() UpgradeStatus: Upgraded to precise on 2012-02-09 (203 days ago) UserGroups: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1044258/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp