We believe that this bug is caused by an invalid cache file, broken hardware, or that it is fixed in recent APT versions, and I am thus closing the bug, so we can focus on others.
** 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/857504 Title: apt-get crashed with SIGSEGV in pkgDepCache::CheckDep() Status in apt package in Ubuntu: Invalid Bug description: "Ubuntu 11.10" is a guest OS running on top of VirtualBox 4.1.2 ProblemType: Crash DistroRelease: Ubuntu 11.10 Package: apt 0.8.16~exp5ubuntu11 ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4 Uname: Linux 3.0.0-11-generic x86_64 ApportVersion: 1.23-0ubuntu1 Architecture: amd64 CrashCounter: 1 Date: Wed Sep 21 19:08:59 2011 ExecutablePath: /usr/bin/apt-get InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110915.1) ProcCmdline: apt-get upgrade ProcEnviron: SHELL=/bin/bash PATH=(custom, no user) LANG=fr_FR.UTF-8 SegvAnalysis: Segfault happened at: 0x7f51b601af95 <_ZN11pkgDepCache8CheckDepEN8pkgCache11DepIteratorEiRNS0_11PkgIteratorE+581>: cmp %edx,0x14(%rax) PC (0x7f51b601af95) ok source "%edx" ok destination "0x14(%rax)" (0x7f51b7a68474) not located in a known VMA region (needed writable region)! SegvReason: writing unknown VMA Signal: 11 SourcePackage: apt StacktraceTop: pkgDepCache::CheckDep(pkgCache::DepIterator, int, pkgCache::PkgIterator&) () from /usr/lib/libapt-pkg.so.4.11 pkgDepCache::DependencyState(pkgCache::DepIterator&) () from /usr/lib/libapt-pkg.so.4.11 pkgDepCache::Update(OpProgress*) () from /usr/lib/libapt-pkg.so.4.11 pkgDepCache::Init(OpProgress*) () from /usr/lib/libapt-pkg.so.4.11 pkgCacheFile::BuildDepCache(OpProgress*) () from /usr/lib/libapt-pkg.so.4.11 Title: apt-get crashed with SIGSEGV in pkgDepCache::CheckDep() 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/857504/+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