It appears the nouveau kernel driver is crashing so that's likely the problem.
You might want to try the proprietary Nvidia driver instead, in: Software & Updates > Additional Drivers ** Summary changed: - Ubuntu 18.04 freezes when using Zoom + [nouveau] Ubuntu 18.04 freezes when using Zoom ** Tags added: bionic nouveau ** Package changed: gnome-shell (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1871477 Title: [nouveau] Ubuntu 18.04 freezes when using Zoom Status in linux package in Ubuntu: New Bug description: I use two monitors. I noticed that every time I use Zoom, Ubuntu frezzes completely, at least the desktop. Other zoom participants inform me that they can hear me and see me but my system is not responsive no matter how long I leave it run. I use : Ubuntu 18.04.4 LTS 5.3.0-45-generic #37~18.04.1-Ubuntu SMP Fri Mar 27 15:58:10 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux I believe that the error is due to what is displayed in : Απρ 07 20:37:57 igor-MS-7A72 org.gnome.Shell.desktop[1994]: #5 0x55ac1bdb07c0 i resource:///org/gnome/gjs/modules/tweener/tweener.js:365 (0x7fb5040d2cd0 @ 10) Απρ 07 20:37:57 igor-MS-7A72 org.gnome.Shell.desktop[1994]: #6 0x7ffdb79d9a50 I resource:///org/gnome/gjs/modules/signals.js:128 (0x7fb5040d2230 @ 386) Απρ 07 20:37:57 igor-MS-7A72 org.gnome.Shell.desktop[1994]: #7 0x55ac1bdb0730 i resource:///org/gnome/shell/ui/tweener.js:244 (0x7fb5040cf808 @ 159) Απρ 07 20:37:57 igor-MS-7A72 org.gnome.Shell.desktop[1994]: #8 0x7ffdb79da630 I resource:///org/gnome/gjs/modules/_legacy.js:82 (0x7fb5040b5de0 @ 71) Απρ 07 20:37:57 igor-MS-7A72 org.gnome.Shell.desktop[1994]: #9 0x55ac1bdb06b0 i resource:///org/gnome/shell/ui/tweener.js:219 (0x7fb5040cf780 @ 15) Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: TRAP ch 15 [007f3bf000 Xorg[1859]] Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009 Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: TRAP ch 15 [007f3bf000 Xorg[1859]] Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009 Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: TRAP ch 15 [007f3bf000 Xorg[1859]] Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009 Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: TRAP ch 15 [007f3bf000 Xorg[1859]] Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009 Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: TRAP ch 15 [007f3bf000 Xorg[1859]] Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009 Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: TRAP ch 15 [007f3bf000 Xorg[1859]] Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009 Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: TRAP ch 15 [007f3bf000 Xorg[1859]] Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009 Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: TRAP ch 15 [007f3bf000 Xorg[1859]] Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009 Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: TRAP ch 15 [007f3bf000 Xorg[1859]] Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009 Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: TRAP ch 15 [007f3bf000 Xorg[1859]] Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009 Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: TRAP ch 15 [007f3bf000 Xorg[1859]] Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009 Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: TRAP ch 15 [007f3bf000 Xorg[1859]] Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009 Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: TRAP ch 15 [007f3bf000 Xorg[1859]] Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009 Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: TRAP ch 15 [007f3bf000 Xorg[1859]] Απρ 07 20:38:33 igor-MS-7A72 kernel: nouveau 0000:01:00.0: gr: GPC0/TPC0/TEX: 80000009 Any hint? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1871477/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp