Also experiencing this currently on Ubuntu 16.04.5 LTS.
After working on the computer for a few hours, I can no longer open any
application (Nautilus, Terminal, etc).
If I already had a terminal open before the issue occurs and I try to
start nautilus from this old terminal, I get the following error:
Maximum number of clients reached
** (nautilus:29162): WARNING **: Could not open X display
sys:1: PyGIWarning: Nautilus was imported without specifying a version first.
Use gi.require_version('Nautilus', '3.0') before import to ensure that the
right version gets loaded.
/usr/share/nautilus-python/extensions/nautilus-admin.py:18: PyGIWarning: GConf
was imported without specifying a version first. Use
gi.require_version('GConf', '2.0') before import to ensure that the right
version gets loaded.
from gi.repository import Nautilus, GObject, GConf, Gtk, GLib
** Message: Init Stock Icons
Maximum number of clients reached
(nautilus:29162): GnomeDesktop-WARNING **: Unable to open display ':1' when
setting background pixmap
Segmentation fault (core dumped)
I tried all possible solutions that were provided by Google but nothing worked.
Restarting the system or closing half of the opened applications (e.g. Chrome
tabs) seems to resolve the issue temporarily, but this is not really a solution
but a workaround.
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https://bugs.launchpad.net/bugs/1518411
Title:
"Maximum number of clients reached", new in Ubuntu 15.10
Status in Compiz:
Confirmed
Status in compiz package in Ubuntu:
Triaged
Status in xorg-server package in Ubuntu:
Confirmed
Bug description:
In my newly upgraded (from 15.04) Ubuntu 15.10 system, after I've been
logged in for a while I can no longer open new windows and instead get
a "Maximum number of clients reached" error.
This did not happen in 15.04.
I ran "lsof" on the X server and did not see an excessive number of
open file descriptors. I ran it again on a newly restarted X server
and the number of open file descriptors looked about the same.
I also ran "xlsclients" when the X server was reporting "Maximum
number of clients reached" and the list of clients looked correct and
reasonable (and there were less than 30 of them).
I am happy to collect any additional logs or debugging information to
help track this down. I don't know where to look further.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xserver-xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
Uname: Linux 4.2.0-18-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Fri Nov 20 13:00:09 2015
DistUpgraded: 2015-11-17 11:59:09,835 DEBUG enabling apt cron job
DistroCodename: wily
DistroVariant: ubuntu
DkmsStatus:
virtualbox, 5.0.4, 3.19.0-33-generic, x86_64: installed
virtualbox, 5.0.4, 4.2.0-18-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation Crystal Well Integrated Graphics Controller [8086:0d26]
(rev 08) (prog-if 00 [VGA controller])
Subsystem: CLEVO/KAPOK Computer Device [1558:7410]
MachineType: System76, Inc. Galago UltraPro
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-18-generic
root=UUID=821f94aa-97e2-4384-8494-9f510a75877b ro i915.disable_power_well=0
quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: Upgraded to wily on 2015-11-17 (3 days ago)
dmi.bios.date: 12/12/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 4.6.5
dmi.board.asset.tag: Tag 12345
dmi.board.name: W740SU
dmi.board.vendor: Notebook
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: Notebook
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd12/12/2013:svnSystem76,Inc.:pnGalagoUltraPro:pvrgalu1:rvnNotebook:rnW740SU:rvrNotApplicable:cvnNotebook:ct9:cvrN/A:
dmi.product.name: Galago UltraPro
dmi.product.version: galu1
dmi.sys.vendor: System76, Inc.
version.compiz: compiz 1:0.9.12.2+15.10.20151015-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.64-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.2-1ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.2-1ubuntu4
version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:7.5.0+git20150819-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20150808-0ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.11-1ubuntu3
xserver.bootTime: Fri Nov 20 12:51:23 2015
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.17.2-1ubuntu9
xserver.video_driver: intel
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