Hi, I'm having this since installation (debian testing, starting with netinstall and then adding packages as needed, always following Debian's wiki instructions):
$ sudo dmesg | grep nouveau [ 8.473315] nouveau 0000:00:0d.0: NVIDIA C61 (04c000a2) [ 8.483404] nouveau 0000:00:0d.0: bios: version 05.61.32.29.00 [ 8.485671] nouveau 0000:00:0d.0: fb: 256 MiB of unknown memory type [ 8.537195] nouveau 0000:00:0d.0: DRM: VRAM: 253 MiB [ 8.537197] nouveau 0000:00:0d.0: DRM: GART: 512 MiB [ 8.537201] nouveau 0000:00:0d.0: DRM: TMDS table version 1.1 [ 8.537203] nouveau 0000:00:0d.0: DRM: DCB version 3.0 [ 8.537205] nouveau 0000:00:0d.0: DRM: DCB outp 00: 01000310 00000023 [ 8.537208] nouveau 0000:00:0d.0: DRM: DCB outp 01: 00110204 942b0003 [ 8.537209] nouveau 0000:00:0d.0: DRM: DCB conn 00: 0000 [ 8.537211] nouveau 0000:00:0d.0: DRM: DCB conn 01: 1131 [ 8.537212] nouveau 0000:00:0d.0: DRM: DCB conn 02: 0110 [ 8.537214] nouveau 0000:00:0d.0: DRM: DCB conn 03: 0111 [ 8.537215] nouveau 0000:00:0d.0: DRM: DCB conn 04: 0113 [ 8.537442] nouveau 0000:00:0d.0: DRM: Saving VGA fonts [ 8.574842] nouveau 0000:00:0d.0: DRM: DCB type 4 not known [ 8.574845] nouveau 0000:00:0d.0: DRM: Unknown-1 has no encoders, removing [ 8.578182] nouveau 0000:00:0d.0: DRM: MM: using M2MF for buffer copies [ 8.607208] nouveau 0000:00:0d.0: DRM: allocated 1600x900 fb: 0x9000, bo ffff9a65e8445800 [ 8.635581] fbcon: nouveaufb (fb0) is primary device [ 8.719776] nouveau 0000:00:0d.0: fb0: nouveaufb frame buffer device [ 8.736051] [drm] Initialized nouveau 1.3.1 20120801 for 0000:00:0d.0 on minor 0 [ 13.267094] nouveau 0000:00:0d.0: bus: MMIO write of 005c0001 FAULT at 00b000 [ 584.383372] nouveau 0000:00:0d.0: bus: MMIO write of 01260001 FAULT at 00b010 [ 584.619503] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [ 589.034904] nouveau 0000:00:0d.0: bus: MMIO write of 01260001 FAULT at 00b010 [ 589.421639] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [ 3590.415718] nouveau 0000:00:0d.0: bus: MMIO write of 01260001 FAULT at 00b010 [ 3590.431203] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [ 3593.882318] nouveau 0000:00:0d.0: bus: MMIO write of 01260001 FAULT at 00b010 [ 3593.931143] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [ 9318.785421] Web Content[1617]: segfault at 0 ip 00007f0d80636495 sp 00007ffc92e2cd50 error 4 in nouveau_dri.so[7f0d8011f000+a67000] [16282.542768] nouveau 0000:00:0d.0: bus: MMIO write of 01260001 FAULT at 00b010 [16282.615123] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [16283.919260] nouveau 0000:00:0d.0: bus: MMIO write of 01260001 FAULT at 00b010 [16283.923714] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [20458.877151] nouveau 0000:00:0d.0: bus: MMIO write of 01260001 FAULT at 00b010 [20458.934833] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [20459.961755] nouveau 0000:00:0d.0: bus: MMIO write of 01260001 FAULT at 00b010 [20460.044138] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [32456.741962] nouveau 0000:00:0d.0: bus: MMIO write of 01260001 FAULT at 00b010 [32456.816964] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [32460.617876] nouveau 0000:00:0d.0: bus: MMIO write of 01260001 FAULT at 00b010 [32460.796510] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [51558.583459] nouveau 0000:00:0d.0: bus: MMIO write of 01260001 FAULT at 00b010 [51558.586426] nouveau 0000:00:0d.0: bus: MMIO write of 01260001 FAULT at 00b010 [52145.814171] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [141992.651963] nouveau 0000:00:0d.0: bus: MMIO write of 01260001 FAULT at 00b010 [141993.033732] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [141995.115644] nouveau 0000:00:0d.0: bus: MMIO write of 01260001 FAULT at 00b010 [141995.604589] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [147834.437544] nouveau 0000:00:0d.0: bus: MMIO write of 01270001 FAULT at 00b010 [147834.438988] nouveau 0000:00:0d.0: bus: MMIO write of 01270001 FAULT at 00b010 [148119.785743] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [167468.029837] nouveau 0000:00:0d.0: bus: MMIO write of 01270001 FAULT at 00b010 [167468.103806] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 [167469.644289] nouveau 0000:00:0d.0: bus: MMIO write of 01270001 FAULT at 00b010 [167469.759108] nouveau 0000:00:0d.0: bus: MMIO write of 00000000 FAULT at 00b010 Randomly the system hangs/freezes and doesn't respond even to REISUB, so, hard/manual reboot is necessary. This is the hardware: $ lspci 00:00.0 RAM memory: NVIDIA Corporation MCP61 Host Bridge (rev a1) 00:01.0 ISA bridge: NVIDIA Corporation MCP61 LPC Bridge (rev a2) 00:01.1 SMBus: NVIDIA Corporation MCP61 SMBus (rev a2) 00:01.2 RAM memory: NVIDIA Corporation MCP61 Memory Controller (rev a2) 00:02.0 USB controller: NVIDIA Corporation MCP61 USB 1.1 Controller (rev a3) 00:02.1 USB controller: NVIDIA Corporation MCP61 USB 2.0 Controller (rev a3) 00:04.0 PCI bridge: NVIDIA Corporation MCP61 PCI bridge (rev a1) 00:05.0 Audio device: NVIDIA Corporation MCP61 High Definition Audio (rev a2) 00:06.0 IDE interface: NVIDIA Corporation MCP61 IDE (rev a2) 00:07.0 Bridge: NVIDIA Corporation MCP61 Ethernet (rev a2) 00:08.0 IDE interface: NVIDIA Corporation MCP61 SATA Controller (rev a2) 00:08.1 IDE interface: NVIDIA Corporation MCP61 SATA Controller (rev a2) 00:0d.0 VGA compatible controller: NVIDIA Corporation C61 [GeForce 7025 / nForce 630a] (rev a2) 00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor HyperTransport Configuration 00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor Address Map 00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor DRAM Controller 00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor Miscellaneous Control 00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h Processor Link Control $ lspci -k ... 00:0d.0 VGA compatible controller: NVIDIA Corporation C61 [GeForce 7025 / nForce 630a] (rev a2) Subsystem: Gigabyte Technology Co., Ltd C61 [GeForce 7025 / nForce 630a] Kernel driver in use: nouveau Kernel modules: nouveau ... And: $ uname -a Linux debian 4.14.0-3-amd64 #1 SMP Debian 4.14.17-1 (2018-02-14) x86_64 GNU/Linux System is updated. No other problem besides this one. Any recommended course of action? Thanks a lot!