Hi @ktecho, I have gone over all of the logs and files you have provided, and unfortunately nothing is standing out as the cause of the reboots.
If there was a kernel log of what happened at the reboot time, there is very little to investigate this. Without a serial port to capture the kernel log, I don't know the best way to get the kernel messages in this case. The problem with it rebooting is, it may be happening before the logs hit the disk, or there could just be nothing in the logs if it was a hardware issue that caused the reboot. Also. because you hit this issue using the XanMod kernel and an Ubuntu kernel, this isn't something specific to the Ubuntu kernels, which makes it harder to investigate. I think the next steps would be: 1) check the log files in /var/log/ (mostly dmesg.* and syslog.*) and see if any contain the reboot. That could provide useful info possibly. If they contain sensitive data you would rather not share, you can trim them down to the boot->reboot->boot section of the logs. 2) update the BIOS to the latest BIOS, and see if that fixes anything. 3) You can try using a Mainline build (https://wiki.ubuntu.com/Kernel/MainlineBuilds) with a much newer kernel, and see if that fixes it. The documentation in that link does seem dated, but the info is still valid, and still points to the mainline kernels. You can try installing one of the latest kernels, and testing with it. But, as this takes days to reproduce, I am not sure how feasible this is. I would recommend at least 1) and 2) from above. I understand the 3) may not be possible though. On a side note: I know you said that Windows is stable, but Windows and Linux sometimes suspend a system differently, so maybe something dealing with the suspend/resume is triggering a hardware/acpi bug. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2076296 Title: LG gram suddenly restarts itself To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2076296/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
