Ubuntu

Wayland freezes with matplotlib

Bug #1737979 reported by Toan Nguyen on 2017-12-13

This bug affects 3 people

Affects		Status	Importance	Assigned to	Milestone
	Ubuntu	Won't Fix	Undecided	Unassigned

Bug Description

Steps to reproduce problem:
_ Using python and matplotlib to plot something
_ When the plot appears, move the mouse to save icon
_ Boom, it's freezed
Wait several minutes for it to start moving again.

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: xorg 1:7.7+19ubuntu3
ProcVersionSignature: Ubuntu 4.13.0-19.22-generic 4.13.13
Uname: Linux 4.13.0-19-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.6
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Wed Dec 13 20:45:02 2017
DistUpgraded: Fresh install
DistroCodename: artful
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. 3rd Gen Core processor Graphics Controller [1043:13dd]
InstallationDate: Installed on 2017-11-03 (39 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
MachineType: ASUSTeK COMPUTER INC. X451CAP
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-19-generic.efi.signed root=UUID=e4cc472d-4daa-4f70-bc5c-d784c15008af ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/18/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X451CAP.203
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X451CAP
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX451CAP.203:bd02/18/2014:svnASUSTeKCOMPUTERINC.:pnX451CAP:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX451CAP:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.family: X
dmi.product.name: X451CAP
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
version.compiz: compiz 1:0.9.13.1+17.10.20170901-0ubuntu1
version.libdrm2: libdrm2 2.4.83-1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.2-0ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.2-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.5-0ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.10.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20170309-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2

Tags:

Revision history for this message

Toan Nguyen (dtoan96) wrote on 2017-12-13:

BootLog.txt Edit (4.4 KiB, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (62.1 KiB, text/plain; charset="utf-8")
Dependencies.txt Edit (6.6 KiB, text/plain; charset="utf-8")
DpkgLog.txt Edit (163.0 KiB, text/plain; charset="utf-8")
JournalErrors.txt Edit (31.3 KiB, text/plain; charset="utf-8")
Lspci.txt Edit (10.8 KiB, text/plain; charset="utf-8")
Lsusb.txt Edit (528 bytes, text/plain; charset="utf-8")
ProcCpuinfo.txt Edit (3.7 KiB, text/plain; charset="utf-8")
ProcCpuinfoMinimal.txt Edit (957 bytes, text/plain; charset="utf-8")
ProcEnviron.txt Edit (274 bytes, text/plain; charset="utf-8")
ProcInterrupts.txt Edit (2.6 KiB, text/plain; charset="utf-8")
ProcModules.txt Edit (4.7 KiB, text/plain; charset="utf-8")
UdevDb.txt Edit (153.5 KiB, text/plain; charset="utf-8")
XorgLog.txt Edit (33.0 KiB, text/plain; charset="utf-8")
XorgLogOld.txt Edit (33.7 KiB, text/plain; charset="utf-8")
Xrandr.txt Edit (684 bytes, text/plain; charset="utf-8")
xdpyinfo.txt Edit (59.1 KiB, text/plain; charset="utf-8")

Revision history for this message

Launchpad Janitor (janitor) wrote on 2018-01-24:

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in xorg (Ubuntu):
status:	New → Confirmed

Revision history for this message

Giuseppe Scelsi (gscelsi) wrote on 2018-04-06:

In my machine matplotlib by default selects the "TkAgg" backend. I worked around this freezing problem by selecting the "gtk3" backend instead, as in 'ipython3 --pylab=gtk3'. I had to install 'python3-cairocffi' as requested by a warning at startup and now everything seems to work well.

Revision history for this message

Daniel van Vugt (vanvugt) wrote on 2018-12-17:

Thank you for reporting this bug to Ubuntu.
Ubuntu 17.10 (artful) reached end-of-life on July 19, 2018.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in and change the bug status to Confirmed.