gdb crashed with SIGABRT in dump_core()

[Robin]

rhythmbox crashed while iPhone 5s is connected.

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: gdb 7.11-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6
Uname: Linux 4.4.0-16-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CurrentDesktop: XFCE
Date: Wed Mar 30 13:30:11 2016
ExecutablePath: /usr/bin/gdb
InstallationDate: Installed on 2016-01-12 (77 days ago)
InstallationMedia: Xubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
ProcCmdline: /usr/bin/gdb -ex attach\ 18140 --ex info\ threads --ex thread\ apply\ all\ bt --batch
Signal: 6
SourcePackage: gdb
StacktraceTop:
 dump_core ()
 ?? ()
 internal_verror ()
 internal_error ()
 ?? ()
Title: gdb crashed with SIGABRT in dump_core()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm bumblebee cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1544144, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.