libc6-dbgsym uninstallable

[Scott Moser]

$ sudo apt-get install libc6-dbgsym
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
  libc6-dbgsym
0 upgraded, 1 newly installed, 0 to remove and 18 not upgraded.
Need to get 3,313 kB of archives.
After this operation, 21.9 MB of additional disk space will be used.
Get:1 http://ddebs.ubuntu.com/ trusty/main libc6-dbgsym amd64 2.19-0ubuntu2 [3,313 kB]
Fetched 3,313 kB in 1s (1,880 kB/s)
Selecting previously unselected package libc6-dbgsym:amd64.
(Reading database ... 52042 files and directories currently installed.)
Preparing to unpack .../libc6-dbgsym_2.19-0ubuntu2_amd64.ddeb ...
Unpacking libc6-dbgsym:amd64 (2.19-0ubuntu2) ...
dpkg: error processing archive /var/cache/apt/archives/libc6-dbgsym_2.19-0ubuntu2_amd64.ddeb (--unpack):
 trying to overwrite '/usr/lib/debug/lib/x86_64-linux-gnu/libnss_hesiod-2.19.so', which is also in package libc6-dbg:amd64 2.19-0ubuntu2
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Errors were encountered while processing:
 /var/cache/apt/archives/libc6-dbgsym_2.19-0ubuntu2_amd64.ddeb
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: libc6 2.19-0ubuntu2
ProcVersionSignature: User Name 3.13.0-14.34-generic 3.13.5
Uname: Linux 3.13.0-14-generic x86_64
ApportVersion: 2.13.2-0ubuntu5
Architecture: amd64
Date: Tue Mar 4 21:47:48 2014
Dependencies:
 gcc-4.9-base 4.9-20140222-0ubuntu1
 libc6 2.19-0ubuntu2
 libgcc1 1:4.9-20140222-0ubuntu1
 multiarch-support 2.19-0ubuntu2
Ec2AMI: ami-000007fa
Ec2AMIManifest: FIXME
Ec2AvailabilityZone: nova
Ec2InstanceType: m1.small
Ec2Kernel: aki-0000022a
Ec2Ramdisk: ari-0000022a
ProcEnviron:
 TERM=screen
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: eglibc
UpgradeStatus: No upgrade log present (probably fresh install)

[Adam Conrad (adconrad)]

There should be no reason to install libc6-dbgsym if you already have libc6-dbg installed, but it's also true that they probably shouldn't overlap (the former should probably just be empty and depend on the latter).