Manjaro Reboots at random, can't find the issue

So, it appears when running Manjaro most of the time it works just fine. However, every so often it reboots after whatever is playing on screen and gives me repeated audio, horrible glitchy noises, to other issues. (This is the reason why I’ve tagged it with Nvidia, since it usually appears if a have 2+ videos paused, while one is playing).

So, I would love to be able to hunt this down more, but trying to read through the journalctl has left me more stumped.

Anything else you guys can suggest?

Could this be caused by running out of memory - either physical or swap?

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Can we please have your system info?
How to do it is here.

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How old is your computer? Most random rebooting issues are caused my aging/failing/unmaintained hardware, like failing power-supply or overheating.

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Well, the power supply I can safely rule out as it is one of the newer devices. I believe a Corsair AX860 (could be, but I would think since it’s able to boot, it’s not likely the issue)

My best guess is possibly the CPU I bought online, which works mostly, but I keep getting an error with Disabling IRQ #18.

My specs;

➤ hwinfo --short
cpu:                                                            
                       AMD Phenom(tm) II X6 1100T Processor, 800 MHz
                       AMD Phenom(tm) II X6 1100T Processor, 800 MHz
                       AMD Phenom(tm) II X6 1100T Processor, 2500 MHz
                       AMD Phenom(tm) II X6 1100T Processor, 3300 MHz
                       AMD Phenom(tm) II X6 1100T Processor, 800 MHz
                       AMD Phenom(tm) II X6 1100T Processor, 800 MHz
keyboard:
  /dev/input/event2    BY Tech Usb Gaming Keyboard
                       Logitech Unifying Receiver
mouse:
                       Logitech Unifying Receiver
  /dev/input/mice      BY Tech Usb Gaming Keyboard
graphics card:
                       nVidia GM107 [GeForce GTX 750 Ti]
sound:
                       nVidia GM107 High Definition Audio Controller [GeForce 940MX]
                       ATI SBx00 Azalia (Intel HDA)
storage:
                       Floppy disk controller
                       ATI SB7x0/SB8x0/SB9x0 IDE Controller
                       ATI SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode]
network:
  enp3s0               Qualcomm Atheros AR8121/AR8113/AR8114 Gigabit or Fast Ethernet
network interface:
  lo                   Loopback network interface
  enp3s0               Ethernet network interface
disk:
  /dev/sdb             Seagate Backup+ Hub BK
  /dev/fd0             Disk
  /dev/sda             SPCC Solid State
                       Seagate RSS LLC Backup Plus Hub (Mass Storage)
partition:
  /dev/sdb1            Partition
  /dev/sda1            Partition
floppy:
  /dev/fd0             Floppy Disk
usb controller:
                       ATI SB7x0/SB8x0/SB9x0 USB EHCI Controller
                       Fresco Logic FL1100 USB 3.0 Host Controller
                       ATI SB7x0/SB8x0/SB9x0 USB OHCI2 Controller
                       ATI SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
                       ATI SB7x0/SB8x0/SB9x0 USB EHCI Controller
                       ATI SB7x0/SB8x0/SB9x0 USB OHCI0 Controller
                       ATI SB7x0 USB OHCI1 Controller
                       ATI SB7x0 USB OHCI1 Controller
bios:
                       BIOS
bridge:
                       AMD Family 10h Processor Miscellaneous Control
                       AMD Family 10h Processor Address Map
                       AMD RS780/RS880 PCI to PCI bridge (PCIE port 0)
                       ATI SB7x0/SB8x0/SB9x0 LPC host controller
                       AMD RS780 Host Bridge
                       AMD Family 10h Processor Link Control
                       AMD Family 10h Processor DRAM Controller
                       AMD RS780 PCI to PCI bridge (PCIE port 2)
                       AMD Family 10h Processor HyperTransport Configuration
                       ATI SBx00 PCI to PCI Bridge
                       AMD RS780 PCI to PCI bridge (ext gfx port 0)
hub:
                       Linux Foundation 1.1 root hub
                       Seagate RSS LLC Backup Plus Hub
                       Linux Foundation 1.1 root hub
                       Linux Foundation 1.1 root hub
                       Seagate RSS LLC Backup+ Hub
                       Linux Foundation 1.1 root hub
                       Linux Foundation 2.0 root hub
                       Linux Foundation 2.0 root hub
                       Linux Foundation 1.1 root hub
                       Linux Foundation 3.0 root hub
                       Linux Foundation 2.0 root hub
memory:
                       Main Memory
bluetooth:
                       Edimax Bluetooth Adapter
unknown:
                       FPU
                       DMA controller
                       PIC
                       Keyboard controller
                       ATI SBx00 SMBus Controller
                       Serial controller
                       Logitech HD Pro Webcam C920
                       Logitech Unifying Receiver

Although, two things, the IRQ seems to be attached to multiple USB connections, and the ethernet card built in. Second, I just now noticed that 4 of the 6 cores are at 800 Mhz! Yikes.

CPU: 6-Core AMD Phenom II X6 1100T (-MCP-) speed/min/max: 803/800/3300 MHz
Kernel: 5.15.2-2-MANJARO x86_64 Up: 27m Mem: 3076.8/16001.6 MiB (19.2%)
Storage: 7.74 TiB (49.3% used) Procs: 252 Shell: fish inxi: 3.3.09

Here’s a screenshot of a stress test:

It’s weird too, it always seems to happen only when I’m watching videos online.

So, stress testing is not making your computer restart, but watching videos on youtube is? Does it also happen with other distributions?

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this :point_up:

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Well, it’s been a minute, but it turns out it was a bad power supply. So, that was slowly kind of killing the system. Nothing to see here.

:joy: :sweat_smile:

You found the solution after 3 months using the defective power supply. That must be hard, because the log could not help you to find the error/issue.

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