New Mint user here (Win 7 refugee). I've been using Mint 19.2/Cinnamon as my main desktop for almost a month now, but I'm suffering desktop crashes on an almost daily basis. What happens is that the desktop completely freezes up, except for the mouse cursor. Ctrl+Alt+Backspace is unresponsive, and I'm forced to issue the SysReq sequence to reboot*. The issue almost always appears after coming out of a suspend, after some time has elapsed (~30m).
I've turned off all desktop effects, and I've been careful to unmount my Windows drive before going into suspend or shutting down.
I have a suspicion the cause is graphics related, as I usually see entries like this in the log when the crash occurs:
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NVRM: Xid (PCI:0000:04:00): 6, PE0001
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System: Host: Kernel: 4.15.0-72-generic x86_64 bits: 64 Desktop: Cinnamon 4.2.4 Distro: Linux Mint 19.2 Tina Machine: Type: Desktop System: HP-Pavilion product: v: N/A serial: <filter> Mobo: PEGATRON model: Eureka3 v: 1.02 serial: <filter> BIOS: American Megatrends v: 5.14 date: 11/13/2009 CPU: Topology: Quad Core model: Intel Core2 Quad Q8400 bits: 64 type: MCP L2 cache: 2048 KiB Speed: 1995 MHz min/max: 2003/2670 MHz Core speeds (MHz): 1: 1995 2: 1995 3: 1995 4: 1995 Graphics: Device-1: NVIDIA GT218 [GeForce G210] driver: nvidia v: 340.107 Display: x11 server: X.Org 1.19.6 driver: nvidia unloaded: fbdev,modesetting,nouveau,vesa resolution: 1920x1080~60Hz OpenGL: renderer: GeForce G210/PCIe/SSE2 v: 3.3.0 NVIDIA 340.107 Audio: Device-1: Intel 82801JI HD Audio driver: snd_hda_intel Device-2: NVIDIA High Definition Audio driver: snd_hda_intel Sound Server: ALSA v: k4.15.0-72-generic Network: Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet driver: r8169 IF: enp2s0 state: up speed: 1000 Mbps duplex: full mac: <filter> Drives: Local Storage: total: 596.17 GiB used: 54.64 GiB (9.2%) ID-1: /dev/sda vendor: Hitachi model: HDS721064CLA332 size: 596.17 GiB Partition: ID-1: / size: 105.88 GiB used: 21.85 GiB (20.6%) fs: ext4 dev: /dev/sda6 ID-2: /home size: 186.74 GiB used: 16.39 GiB (8.8%) fs: ext4 dev: /dev/sda7 ID-3: swap-1 size: 5.72 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/dm-0 Sensors: System Temperatures: cpu: 45.0 C mobo: N/A gpu: nvidia temp: 63 C Fan Speeds (RPM): N/A