gnome-boxes assert failure: gnome-boxes: ../../../../src/cairo-surface.c:955: cairo_surface_destroy: Assertion `CAIRO_REFERENCE_COUNT_HAS_REFERENCE (&surface->ref_count)' failed.

StacktraceTop:
 __assert_fail_base (fmt=0x7f463b0e7588 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x7f463ed29498 "CAIRO_REFERENCE_COUNT_HAS_REFERENCE (&surface->ref_count)", file=0x7f463ed29450 "../../../../src/cairo-surface.c", line=955, function=<optimized out>) at assert.c:92
 __GI___assert_fail (assertion=assertion@entry=0x7f463ed29498 "CAIRO_REFERENCE_COUNT_HAS_REFERENCE (&surface->ref_count)", file=file@entry=0x7f463ed29450 "../../../../src/cairo-surface.c", line=line@entry=955, function=function@entry=0x7f463ed299f0 <__PRETTY_FUNCTION__.14013> "cairo_surface_destroy") at assert.c:101
 INT_cairo_surface_destroy (surface=0x55e4647f9fa0) at ../../../../src/cairo-surface.c:955
 frdp_session_update_mouse_pointer () from /tmp/apport_sandbox_n6j199oo/usr/lib/x86_64-linux-gnu/gnome-boxes/libgtk-frdp-0.1.so
 frdp_Pointer_SetNull () from /tmp/apport_sandbox_n6j199oo/usr/lib/x86_64-linux-gnu/gnome-boxes/libgtk-frdp-0.1.so

Status changed to 'Confirmed' because the bug affects multiple users.

Thank you for your bug report, it was reported and fixed upstream https://gitlab.gnome.org/GNOME/gnome-boxes/issues/457

This bug was fixed in the package gnome-boxes - 3.36.5-1ubuntu2

---------------
gnome-boxes (3.36.5-1ubuntu2) groovy; urgency=medium

  * debian/patches/git_rdp_segfault.patch:
    - backport a fix for segfault happening when trying to connect via rdp
      (lp: #1879777)

 -- Sebastien Bacher <email address hidden> Tue, 28 Jul 2020 16:03:13 +0200

Hello Asif, or anyone else affected,

Accepted gnome-boxes into focal-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/gnome-boxes/3.36.5-0ubuntu2 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-focal to verification-done-focal. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-focal. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

3.36.5-0ubuntu2 behaves correctly, also e.u.c shows no report from the new version, verified

This bug was fixed in the package gnome-boxes - 3.36.5-0ubuntu2

---------------
gnome-boxes (3.36.5-0ubuntu2) focal; urgency=medium

  * debian/patches/git_rdp_segfault.patch:
    - backport a fix for segfault happening when trying to connect via rdp
      (lp: #1879777)

 -- Sebastien Bacher <email address hidden> Tue, 28 Jul 2020 16:07:06 +0200

The verification of the Stable Release Update for gnome-boxes has completed successfully and the package is now being released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.