[Bug 92420] New: X crash when with 2nd display connected via Display Port

[Bug 92420] New: X crash when with 2nd display connected via Display Port

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=92420

            Bug ID: 92420
           Summary: X crash when with 2nd display connected via Display
                    Port
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: rhbugzilla-hzqV2YXAeqW1Z/+hSey0Gg@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Created attachment 118807
  --> https://bugs.freedesktop.org/attachment.cgi?id=118807&action=edit
dmesg.display_port_problem.4.2.3-300.fc23.x86_64

I get a flood of kernel events from nouveau when connecting and disconnecting
my 2nd display via the display port cable.

Events start with this:

nouveau E[   PDISP][0000:01:00.0] INVALID_VALUE [UNK84] chid 0 mthd 0x0700 data
0x00052002


modinfo nouveau -n
/lib/modules/4.2.3-300.fc23.x86_64/kernel/drivers/gpu/drm/nouveau/nouveau.ko.xz

lspci -v | grep -i vga
01:00.0 VGA compatible controller: NVIDIA Corporation G92GLM [Quadro FX 2800M]
(rev a2) (prog-if 00 [VGA controller])

Errors come and go with connection/disconnection of the Display Port cable.  So
long as I stay running in init 3, the primary laptop LCD continues to function.
 Once I go init 5, X appears to start, and then just hangs.

I've attached dmesg output for boot-up, when I connect the display port, and
when I disconnect the display port.

Please let me know if I can help in any way.

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[Bug 92420] X crash when with 2nd display connected via Display Port

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=92420

--- Comment #1 from J <rhbugzilla-hzqV2YXAeqW1Z/+hSey0Gg@public.gmane.org> ---
I should also add - I do not have this problem when running CentOS 7 - 3.10

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[Bug 92420] X crash when with 2nd display connected via Display Port

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=92420

--- Comment #2 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Please attach your VBIOS as well (you can retrieve it from
/sys/kernel/debug/dri/0/vbios.rom )

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[Bug 92420] X crash when with 2nd display connected via Display Port

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=92420

--- Comment #3 from J <rhbugzilla-hzqV2YXAeqW1Z/+hSey0Gg@public.gmane.org> ---
Created attachment 118808
  --> https://bugs.freedesktop.org/attachment.cgi?id=118808&action=edit
vbios.rom

vbios.rom as requested.

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[Bug 92420] X crash when with 2nd display connected via Display Port

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=92420

Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> changed:

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

--- Comment #4 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
-- 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/xorg/driver/xf86-video-nouveau/issues/225.

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