Since this has not occurred on 18.04 for me, this bug seems to actually be fixed, with the fix released in 18.04 LTS (ignoring development versions of Ubuntu).
** Changed in: upower (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to upower in Ubuntu. https://bugs.launchpad.net/bugs/932133 Title: upowerd crash when plugging in iPhone Status in upower package in Ubuntu: Fix Released Bug description: upowerd crashed when I plugged in my iPhone 3GS. This is reproducible in 12.04 on my system. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: upower 0.9.15-1 ProcVersionSignature: Ubuntu 3.2.0-15.24-generic 3.2.5 Uname: Linux 3.2.0-15-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 1.91-0ubuntu1 Architecture: amd64 Date: Tue Feb 14 10:43:29 2012 InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Beta amd64 (20100901.1) ProcEnviron: PATH=(custom, user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: upower UpgradeStatus: Upgraded to precise on 2012-02-13 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/upower/+bug/932133/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : email@example.com Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp