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How to diagnose and fix Kernel Panic Fatal Machine Check error?

rated 0 times [ 2] [ 0] / answers: 1 / hits: 16823 / 2 Years ago, tue, february 8, 2022, 4:38:48

I have got a new Samsung Series 7 laptop with dual boot setup for Windows 8 and Ubuntu 12.10. A fine machine comparable to a Macbook Pro. The Ubuntu installation was quite a hassle, but with the help of Boot Repair finally it seemed to work. Or so I thought. Windows 8 starts fine, but if I want to start Ubuntu regularly the following Machine Check Exception error occurs, quite similar to this one

[Hardware Error] CPU 1: Machine Check Exception: 5 Bank 6

[Hardware Error] RIP !inexact! 33 <00007fab2074598a>

[Hardware Error] TSC 95b623464c ADDR fe400 MISC 3880000086

.. [similar messages for CPU 2,3 and 0] ..

[Hardware Error] Machine Check: Processor context corrupt

Kernel panic - not syncing: Fatal Machine Check

Rebooting in 30 seconds

Kernel panic does not sound good. Then it starts to reboot, and the second boot trial often works. Is it a Kernel or driver problem? The laptop has an Intel Core i7 processor. I already deactivated Hyperthreading in the BIOS, but it does not seem to help :-(

I also disabled the Execute Disable Bit (EDB) flag in the BIOS. EDB is an Intel hardware-based security feature that can help reduce system exposure to viruses and malicious code. Since I disabled it, the error did occur less frequently, but it still appears occasionally :-( It seems to be the same error as described here and here. Maybe a Samsung specific Kernel problem? A similar error also happens on a Samsung Ultrabook Series 9 (which seems to be kernel bugs 49161 and 47121).

At my Samsung Series 7, it still occurs for instance during booting on battery after "Checking battery state". Perhaps anyone else has an idea? These Kernel Panic errors are reallly annoying..

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oileweaty

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3 Years ago

answered 2 Years ago terose · Accepted Answer

Slowly but surely.. here we go again. I would like to solve these Kernel Panic errors which occur on both Samsung Series 7 and Series 9 laptops! At least on my machine :-) In this Kernel bug report 47121 someone reported that it maybe helps to set the "OS Mode Selection" in the BIOS to "UEFI OS", instead to "UEFI and CSM OS". The packages and libraries that are loaded seem to be different. I needed to switch to "UEFI and CSM OS" to install Ubuntu in the first place. Now I have to switch it off again. But maybe it helps.. After I switched it back to "UEFI OS" it booted ten times without errors. If the Kernel Panic does not occur again, then this seems to be the anwser, and I will mark the question as answered. Hopefully..