This bug report is missing a stack trace for further analysis. Anyway, it is over 2 years old, and thus might be fixed already. Therefore, I am 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/1211922 Title: apt-get cdrom method segfaults when autodetecting non-cdrom Status in apt package in Ubuntu: Invalid Bug description: Ubuntu 12.04 LTS apt version 0.8.16~exp12ubuntu10.10 If the following are set by a package installed during pkgsel step (preseeded using alternate installer): Acquire::cdrom::AutoDetect "true"; APT::cdrom::CdromOnly "false"; apt-get install fails to install grub-efi with: E: Method cdrom has died unexpectedly! E: Sub-process cdrom received a segmentation fault. I would expect installation would continue successfully (since the medium I'm installing off of should be autodetected, if it gets there), or at least not segfault. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1211922/+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