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.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1737979 Title: Wayland freezes with matplotlib Status in xorg package in Ubuntu: Confirmed 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1737979/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
