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The first update the BIOS on the motherboard. On older BIOS version from this mother had problems with the compatibility with RAM, which leads to spontaneous crashes the kernel.
Update the BIOS on this motherboard in Hetzner can simply boot into rescue system and running the command
Latest version has a number V2.14B15
core
linux 3.10.0-1127.10.1.el7.x86_64
What type of server - virtual or physical?
physical
The first update the BIOS
thank. to be honest - it kind of scary)))
and this can be provided that the 4 years prior to this server worked perfectly ?!
---------- Posted 19.06.2020 at 07:53 ----------
Unusual lines in the log?
I put unusual line in the logs everything else is repeated. (This is when it comes to an error)
Now everything is more or less clear
Step by step:
1. Update the BIOS
2. Update kernel
3. Put the correct size in the core MTRR
If you do not help - then replace the memory, most likely it pobilas