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Xorg crashes with nouveau on lenovo y50 (nvidia GTX 860M) (freezes with proprietary drivers)

Submitted by Abinav Puthan Purayil

Assigned to Nouveau Project

Link to original bug (#106454)

Description

Created attachment 139443
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

Attachment 139443, "Xorg log file":
Xorg.0.log