On Wed, Sep 24, 2025 at 10:10 PM Van Snyder <[email protected]> wrote: > > 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.
Run the motherboard's diagnostic routines. Run Memtest86+ on the machine. Jeff

