It looks like the recurring problem here is indeed just Xorg: [ 604.230] (EE) Backtrace: [ 604.230] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x13c) [0x5576c3d8facc] [ 604.231] (EE) 1: /lib/x86_64-linux-gnu/libpthread.so.0 (funlockfile+0x60) [0x7f6767b6359f] [ 604.231] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (gsignal+0xcb) [0x7f67679a13eb] [ 604.232] (EE) 3: /lib/x86_64-linux-gnu/libc.so.6 (abort+0x12b) [0x7f6767980899] [ 604.232] (EE) unw_get_proc_name failed: no unwind info found [-10] [ 604.232] (EE) 4: /lib/x86_64-linux-gnu/libc.so.6 (?+0x0) [0x7f676798075a] [ 604.232] (EE) 5: /lib/x86_64-linux-gnu/libc.so.6 (__assert_fail+0x46) [0x7f6767992006] [ 604.232] (EE) 6: /usr/lib/xorg/Xorg (DRIMoveBuffersHelper+0xc15) [0x5576c3d5aaa5] [ 604.232] (EE) 7: /usr/lib/xorg/Xorg (DRI2Authenticate+0xa2) [0x5576c3d5c0f2] [ 604.233] (EE) 8: /usr/lib/xorg/Xorg (DRI2GetParam+0x944) [0x5576c3d5d4b4] [ 604.233] (EE) 9: /usr/lib/xorg/Xorg (SendErrorToClient+0x354) [0x5576c3c2ef44] [ 604.233] (EE) 10: /usr/lib/xorg/Xorg (InitFonts+0x3b4) [0x5576c3c32fd4] [ 604.233] (EE) 11: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf3) [0x7f67679821e3] [ 604.233] (EE) 12: /usr/lib/xorg/Xorg (_start+0x2e) [0x5576c3c1ca1e]
** Summary changed: - Login loops with GNOME Boxes on Xorg + Xorg crashed with assertion failure in DRIMoveBuffersHelper ** Summary changed: - Xorg crashed with assertion failure in DRIMoveBuffersHelper + [qxl] Xorg crashed with assertion failure in DRIMoveBuffersHelper ** Package changed: xorg (Ubuntu) => xserver-xorg-video-qxl (Ubuntu) ** Also affects: xorg-server (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1858336 Title: [qxl] Xorg crashed with assertion failure in DRIMoveBuffersHelper To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1858336/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs