The crash is occurring in libdrm_nouveau.so.2 which comes from source package `libdrm'. So it seems to be just a nouveau driver crash and not a general Xorg issue.
** Information type changed from Private to Public ** Package changed: xorg-server (Ubuntu) => libdrm (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1640457 Title: Xorg assert failure: Xorg: ../../nouveau/pushbuf.c:238: pushbuf_krel: Assertion `bkref' failed. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libdrm/+bug/1640457/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
