Nouveau - Aug 2018 - [Bug 107501] New: System hangs on attempt to login to Plasma (Wayland)

https://bugs.freedesktop.org/show_bug.cgi?id=107501

            Bug ID: 107501
           Summary: System hangs on attempt to login to Plasma (Wayland)
           Product: Mesa
           Version: 18.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: studio at anchev.net
        QA Contact: nouveau at lists.freedesktop.org
                CC: tiwai at suse.de

STR:

1. Install plasma5-session-wayland
2. Logout of current Plasma session
3. Login selecting Plasma wayland session

EXPECTED:

Normal login to desktop environment.

ACTUAL:

System hangs and does not respond to anything: neither to Alt+Ctrl+Backspace,
nor to Alt+Ctrl+F1, nor to Alt+Ctrl+Del. A hardware reset was necessary to
reboot it.

--------------------

Tested on openSUSE Leap 15.0 with kernels:

kernel-default-4.12.14-lp150.12.7.1.x86_64
kernel-default-4.17.12-2.1.gef4920c.x86_64

--------------------

Initially reported to openSUSE and advised to report it upstream here:

https://bugzilla.opensuse.org/show_bug.cgi?id=1103827

journalctl output:
for 4.12: https://bugzilla.opensuse.org/attachment.cgi?id=778942
for 4.17: https://bugzilla.opensuse.org/attachment.cgi?id=779003

--------------------

The videocard is NVIDIA GTX680

[~]: rpm -q Mesa-dri-nouveau
Mesa-dri-nouveau-18.0.2-lp150.17.2.x86_64

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https://bugs.freedesktop.org/show_bug.cgi?id=107501

GitLab Migration User <gitlab-migration at fdo.invalid> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED

--- Comment #1 from GitLab Migration User <gitlab-migration at
fdo.invalid> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/1162.

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