[Bug 91231] New: [NV92] Psychonauts (native) segfaults on start when DRI3 enabled - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 91231] New: [NV92] Psychonauts (native) segfaults on start when DRI3 enabled
Date: Sun, 05 Jul 2015 03:28:02 +0000	[thread overview]
Message-ID: <bug-91231-8800@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=91231

            Bug ID: 91231
           Summary: [NV92] Psychonauts (native) segfaults on start when
                    DRI3 enabled
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Keywords: bisected, regression
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: gyebro69-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Created attachment 116944
  --> https://bugs.freedesktop.org/attachment.cgi?id=116944&action=edit
trace generated by apitrace

The game runs natively on Linux. When Mesa was compiled with DRI3 support the
game segfaults when starting and I get this in the terminal:
Psychonauts: nv50/nv50_miptree.c:132: nv50_mt_choose_storage_type: Assertion
`ms == 0' failed.
The game starts properly if I disable DRI3 at runtime (LIBGL_DRI3_DISABLE=1)

The problem is present since

commit 241e7289f25a342a457952b9b0e539c2f0b81d99
Author: Maarten Lankhorst <maarten.lankhorst-GeWIH/nMZzLQT0dZR+AlfA@public.gmane.org>
Date:   Wed Oct 22 11:04:16 2014 +0200

    enable dri3 support without glamor

When replaying the trace with glretrace the message about the assertion is not
present, but glretrace segfaults with signal 11.

Fedora 22 32-bit
xorg-x11-server-Xorg-1.17.2-1.fc22.i686
Kernel 4.0.6-300.fc22.i686+PAE
VGA compatible controller: NVIDIA Corporation G92 [GeForce GTS 250] (rev a2)
(prog-if 00 [VGA controller])
libdrm-2.4.62-1-g676c806
xf86-video-nouveau-1.0.11-23-gdfd827c
Mesa 10.6-branchpoint-826-gff0a41b

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