Might NOT be a Debian problem
This might NOT be a Debian problem but this list almost surely has knowledgeable correspondents, so here goes…
I upgraded my computer with a new MSI Z90 board, Intel I9-14900K, 32 GB, 1 TB NVME drive.
Debian 12 started crashing — display virgo intacto, but mouse frozen, keyboard frozen with num lock and scroll lock lamps flashing, can't SSH to it, can't HTTP to it,….
So I upgraded to Debian 13. Same thing.
I put in the memory sticks one at a time. Crashed with either one alone. I assumed it's unlikely they are both defective.
I replaced my antique NVidia K2200 with a new Radeon RX580. Same problem. So that wasn't it.
I sent the board back to MSI and they returned it to me without comment. Did they re-cap it? Did they test it? Who knows. Problem persists.
Tried a new power supply. Problem persists.
I thought Firefox might be the culprit, but it crashed a few minutes ago with Firefox not running. Also GKrellM is suddenly getting seg faults but I was getting crashes without it running.
Core 0 temperature varies from 27.8°C to 53.0°C but Intel says 70°C ought to be OK. So it's probably not the heat sink or fans.
That seems to leave only the Intel I9-14900K. Is that a likely culprit? Trying out a replacement would be an expensive experiment.
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