[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
This bug was fixed in the package gdm3 - 3.36.3-0ubuntu0.20.04.3 --- gdm3 (3.36.3-0ubuntu0.20.04.3) focal; urgency=medium * debian/patches/git_display_segfault.patch: - Backport crash fix when using Xvfb in some situations (lp: #1861769) -- Sebastien Bacher Tue, 10 Nov 2020 13:27:10 +0100 ** Changed in: gdm3 (Ubuntu Focal) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
The steps from the description don't crash on 3.36.3-0ubuntu0.20.04.3 also there is no error reports from that version, marking as verified ** Tags removed: verification-needed verification-needed-focal ** Tags added: verification-done verification-done-focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
** Changed in: gdm3 (Ubuntu Focal) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
Hello errors.ubuntu.com, or anyone else affected, Accepted gdm3 into focal-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/gdm3/3.36.3-0ubuntu0.20.04.3 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. ** Changed in: gdm3 (Ubuntu Focal) Status: New => Fix Committed ** Tags added: verification-needed verification-needed-focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
** Description changed: + * Impact + The desktop session can close in some cases when using xvfb + + * Test case + $ Xvfb -ac :100 2> Xvfb.log & + $ export DISPLAY=:100 + $ gnome-session --session=ubuntu + + * Regression potential + The change is a simple variable init in the display code, check that the greeter stills load correctly in normal and remote cases + + + The Ubuntu Error Tracker has been receiving reports about a problem regarding gdm3. This problem was most recently seen with package version 3.34.1-1ubuntu1, the problem page at https://errors.ubuntu.com/problem/75937873ed2a64ec63a908fe2b52c193e7371d78 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports. If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
** Changed in: gdm3 (Ubuntu) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
** Changed in: gdm Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
** Changed in: gdm3 (Ubuntu) Status: Triaged => Fix Committed ** Tags added: fixed-in-3.37.91 fixed-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
** Tags removed: eoan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
A crash must be fixed, anyway. I've experienced it myself. It can be easily replicated using a remote shell to launch gnome-session in an Xvfb display: Xvfb -ac :100 2> Xvfb.log & DISPLAY=:100 export DISPLAY gnome-session --session=ubuntu After that, gdm crashed. I had gdm debug enabled and found this in the system journal: ago 20 19:25:21 nxhost gdm3[172158]: Finding a graphical session for user 1000 ago 20 19:25:21 nxhost gdm3[172158]: Considering session 'c306' ago 20 19:25:21 nxhost gdm3[172158]: Session 'c306' is not a graphical session (type: 'tty') ago 20 19:25:21 nxhost gdm3[172158]: Considering session '53' ago 20 19:25:21 nxhost gdm3[172158]: Session '53' is not a graphical session (type: 'tty') ago 20 19:25:21 nxhost gdm3[172158]: GdmManager: Unable to find display session for uid 1000: Could not find a graphical session for user 1000 ago 20 19:25:21 nxhost gdm3[172158]: GdmManager: trying to register new session on display 0x1 ago 20 19:25:21 nxhost kernel: gdm3[172158]: segfault at 1 ip 7fe66921277a sp 7ffee4f51140 error 4 in libgobject-2.0.so.0.6400.2[7fe6691e4000+36000] ago 20 19:25:21 nxhost kernel: Code: c0 eb b3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 41 55 41 54 49 89 fc 55 53 48 83 ec 28 48 85 ff 0f 84 a8 0> ago 20 19:25:21 nxhost gnome-session[172571]: gnome-session-binary[172571]: WARNING: Could not get session path for session. Check that logind is properly > ago 20 19:25:21 nxhost gnome-session-binary[172571]: WARNING: Could not get session path for session. Check that logind is properly installed and pam_syste> ago 20 19:25:22 nxhost systemd[1]: gdm.service: Main process exited, code=dumped, status=11/SEGV ago 20 19:25:22 nxhost systemd[1]: gdm.service: Failed with result 'core-dump'. Pointer display 0x1 is abnormal with any evidence. Crash report consistently points to session registration in gdm: Thread 1 (Thread 0x7fb04d5da8c0 (LWP 190922)): #0 0x7fb04ded877a in g_type_check_instance_cast () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #1 0x5560143a2a6a in gdm_manager_handle_register_session (manager=0x5560163e78f0, invocation=0x7fb04400a590, details=) at gdm-manager.c:827 self = 0x5560163e78f0 display = 0x1 sender = 0x7fb04400b9b0 ":1.2718" connection = The crash occurs in gdm-manager.c when gnome-shell calls LoginManager.registerSessionWithGDM(): https://github.com/GNOME/gdm/blob/gnome-3-36/daemon/gdm-manager.c It looks triggered by gnome-shell trying to register its session to gdm: https://github.com/GNOME/gnome-shell/commit/0e37cd2ec92c5fbbc0870272e5e00fc07a705eba -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
Tagging rls-ff-notfixing, around 300 reports for 19.10, while it's a bug and ideally we would fix it we don't see a sign at the moment that it's a top priority and needs rls tracking ** Tags removed: champagne ** Tags added: rls-not-fixing ** Tags removed: rls-not-fixing ** Tags added: rls-ff-notfixing -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
** Changed in: gdm Status: Unknown => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
Also, my automated crash reports for this are going into a black hole: https://errors.ubuntu.com/problem/e05264afaadd5ceeef60243587d593611be2a4f3 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
** Changed in: gdm3 (Ubuntu) Status: Confirmed => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
** Tags added: champagne ** Changed in: gdm3 (Ubuntu) Importance: Undecided => Medium ** Bug watch added: gitlab.gnome.org/GNOME/gdm/issues #555 https://gitlab.gnome.org/GNOME/gdm/issues/555 ** Also affects: gdm via https://gitlab.gnome.org/GNOME/gdm/issues/555 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: gdm3 (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/gdm/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1861769] Re: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic()
** Summary changed: - /usr/sbin/gdm3:11:g_type_check_instance_cast:gdm_manager_handle_register_session:ffi_call_unix64:ffi_call:g_cclosure_marshal_generic + gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861769 Title: gdm3 crashed with SIGSEGV in g_type_check_instance_cast() from gdm_manager_handle_register_session() from ffi_call_unix64() from ffi_call() from g_cclosure_marshal_generic() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1861769/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
