[Nouveau] [Bug 106454] New: Xorg crashes with nouveau on lenovo y50 (nvidia GTX 860M) (freezes with proprietary drivers)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106454

            Bug ID: 106454
           Summary: Xorg crashes with nouveau on lenovo y50 (nvidia GTX
                    860M) (freezes with proprietary drivers)
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: abinavpp at gmail.com
        QA Contact: xorg-team at lists.x.org

Created attachment 139443
  --> https://bugs.freedesktop.org/attachment.cgi?id=139443&action=edit
Xorg log file

I have attached the log file which traces the segmentation fault.

$ dmesg | grep nouv
[   12.036804] nouveau 0000:01:00.0: enabling device (0006 -> 0007)
[   12.038563] nouveau 0000:01:00.0: NVIDIA GM107 (117120a2)
[   12.072130] nouveau 0000:01:00.0: bios: version 82.07.34.00.08
[   12.178128] nouveau 0000:01:00.0: fb: 4096 MiB GDDR5
[   12.178143] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 022554
[ IBUS ]
[   12.179573] nouveau 0000:01:00.0: bus: MMIO read of 00000000 FAULT at 10ac08
[ IBUS ]
[   12.233709] nouveau 0000:01:00.0: DRM: VRAM: 4096 MiB
[   12.233710] nouveau 0000:01:00.0: DRM: GART: 1048576 MiB
[   12.233721] nouveau 0000:01:00.0: DRM: Pointer to TMDS table invalid
[   12.233722] nouveau 0000:01:00.0: DRM: DCB version 4.0
[   12.360797] nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies
[   12.360804] [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on
minor 1

$ sudo lspci -v | grep -A19 3D
01:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 860M] (rev a2)
        Subsystem: Lenovo GM107M [GeForce GTX 860M]
        Flags: bus master, fast devsel, latency 0, IRQ 32
        Memory at d0000000 (32-bit, non-prefetchable) [size=16M]
        Memory at a0000000 (64-bit, prefetchable) [size=256M]
        Memory at b0000000 (64-bit, prefetchable) [size=32M]
        I/O ports at 4000 [size=128]
        Expansion ROM at b2000000 [disabled] [size=512K]
        Capabilities: [60] Power Management version 3
        Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [78] Express Endpoint, MSI 00
        Capabilities: [100] Virtual Channel
        Capabilities: [250] Latency Tolerance Reporting
        Capabilities: [258] L1 PM Substates
        Capabilities: [128] Power Budgeting <?>
        Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024
<?>
        Capabilities: [900] #19
        Kernel driver in use: nouveau
        Kernel modules: nouveau

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