Ubuntu failed up update (Flavor: OpenArtist)

[Eric Altman]

Attempting to update kernel failed in GUI.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: update-manager 1:0.156.14.19
ProcVersionSignature: Ubuntu 3.11.0-26.45~precise1-generic 3.11.10.12
Uname: Linux 3.11.0-26-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu17.9
Architecture: amd64
Date: Wed Jun 24 16:09:24 2015
GsettingsChanges: com.ubuntu.update-manager launch-time 1435187344
InstallationMedia: openArtist 12.04 - Release amd64
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_US:en
 TERM=unknown
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
Symptom: ubuntu-release-upgrader-core
UpgradeStatus: Upgraded to precise on 2015-06-24 (0 days ago)
VarLogDistupgradeTermlog:

[Brian Murray (brian-murray)]

From DistupgradeMianlog.txt:

2015-06-24 16:09:21,743 ERROR openCache() failed: 'E:Could not open file /var/lib/apt/lists/ppa.launchpad.net_ferramroberto_precise_ubuntu_dists_precise_main_binary-amd64_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/ppa.launchpad.net_nvbn-rm_ppa_ubuntu_dists_precise_main_binary-i386_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/ppa.launchpad.net_nvbn-rm_ppa_ubuntu_dists_precise_main_binary-amd64_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/developer.download.nvidia.com_compute_cuda_repos_ubuntu1204_x86%5f64_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/ppa.launchpad.net_n-muench_vlc2_ubuntu_dists_precise_main_binary-i386_Packages - open (24: Too many open files), E:Could not open file /var/lib/apt/lists/ppa.launchpad.net_n-muench_vlc2_ubuntu_dists_precise_main_binary-amd64_Packages - open (24: Too many open files),