Moving to xserver-xorg-video-nouveau package, as this has nothing to do with rhythmbox.
** Package changed: rhythmbox (Ubuntu) => xserver-xorg-video-nouveau (Ubuntu) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1903593 Title: rhythmbox-metadata assert failure: rhythmbox-metadata: ../nouveau/pushbuf.c:723: nouveau_pushbuf_data: Assertion `kref' failed. Status in xserver-xorg-video-nouveau package in Ubuntu: New Bug description: Nothing to add, the player worked correctly. B.R. & thanks ProblemType: Crash DistroRelease: Ubuntu 21.04 Package: rhythmbox 3.4.4-1ubuntu3.2 ProcVersionSignature: Ubuntu 5.8.0-26.27-generic 5.8.14 Uname: Linux 5.8.0-26-generic x86_64 ApportVersion: 2.20.11-0ubuntu51 Architecture: amd64 AssertionMessage: rhythmbox-metadata: ../nouveau/pushbuf.c:723: nouveau_pushbuf_data: Assertion `kref' failed. CasperMD5CheckResult: skip CrashCounter: 1 CurrentDesktop: ubuntu:GNOME Date: Mon Nov 9 22:04:33 2020 EcryptfsInUse: Yes ExecutablePath: /usr/lib/rhythmbox/rhythmbox-metadata InstallationDate: Installed on 2016-10-30 (1471 days ago) InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2) ProcCmdline: /usr/lib/rhythmbox/rhythmbox-metadata unix:tmpdir=/tmp Signal: 6 SourcePackage: rhythmbox StacktraceTop: __assert_fail_base (fmt=0x7fdf7311a458 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x7fdf61e47068 "kref", file=0x7fdf61e47052 "../nouveau/pushbuf.c", line=723, function=<optimized out>) at assert.c:92 __GI___assert_fail (assertion=0x7fdf61e47068 "kref", file=0x7fdf61e47052 "../nouveau/pushbuf.c", line=723, function=0x7fdf61e471a0 "nouveau_pushbuf_data") at assert.c:101 () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2 nouveau_pushbuf_data () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2 () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2 Title: rhythmbox-metadata assert failure: rhythmbox-metadata: ../nouveau/pushbuf.c:723: nouveau_pushbuf_data: Assertion `kref' failed. UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin lxd netdev plugdev sambashare sudo separator: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1903593/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp