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: Confirmed => 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/1063764 Title: aptd crashed with SIGSEGV in File() Status in apt package in Ubuntu: Invalid Bug description: current updates ProblemType: Crash DistroRelease: Ubuntu 12.10 Package: aptdaemon 0.45+bzr861-0ubuntu7 ProcVersionSignature: Ubuntu 3.5.0-17.27-generic 3.5.5 Uname: Linux 3.5.0-17-generic i686 ApportVersion: 2.6.1-0ubuntu1 Architecture: i386 Date: Mon Oct 8 09:23:20 2012 ExecutablePath: /usr/sbin/aptd InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007) InterpreterPath: /usr/bin/python3.2mu PackageArchitecture: all ProcCmdline: /usr/bin/python3.2 /usr/sbin/aptd ProcEnviron: SegvAnalysis: Segfault happened at: 0xb6b354c8 <_ZN9pkgPolicy15GetCandidateVerERKN8pkgCache11PkgIteratorE+328>: imul $0x3c,(%edx),%eax PC (0xb6b354c8) ok source "$0x3c" ok destination "(%edx)" (0x683692e0) not located in a known VMA region (needed writable region)! SegvReason: writing unknown VMA Signal: 11 SourcePackage: aptdaemon StacktraceTop: pkgPolicy::GetCandidateVer(pkgCache::PkgIterator const&) () from /usr/lib/i386-linux-gnu/libapt-pkg.so.4.12 pkgDepCache::Init(OpProgress*) () from /usr/lib/i386-linux-gnu/libapt-pkg.so.4.12 typeinfo for PyCdromProgress () from /usr/lib/python3/dist-packages/apt_pkg.cpython-32mu.so pkgCacheFile::BuildDepCache(OpProgress*) () from /usr/lib/i386-linux-gnu/libapt-pkg.so.4.12 pkgCacheFile::Open(OpProgress*, bool) () from /usr/lib/i386-linux-gnu/libapt-pkg.so.4.12 SysLog: Oct 8 09:23:19 Beck-notebook AptDaemon: INFO: Initializing daemon Oct 8 09:23:19 Beck-notebook AptDaemon: INFO: UpgradeSystem() was called with safe mode: 1 Oct 8 09:23:19 Beck-notebook AptDaemon.Trans: INFO: Queuing transaction /org/debian/apt/transaction/605bc7167eba459db856a3f1d996b155 Oct 8 09:23:19 Beck-notebook AptDaemon.Worker: INFO: Simulating trans: /org/debian/apt/transaction/605bc7167eba459db856a3f1d996b155 Title: aptd crashed with SIGSEGV in pkgPolicy::GetCandidateVer() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1063764/+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