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On the other hand, I'm currently dealing with an AMD system which seems to randomly hard reboot every couple of days, as if someone pressed the power button for

by crote 3y ago

On the other hand, I'm currently dealing with an AMD system which seems to randomly hard reboot every couple of days, as if someone pressed the power button for 5 seconds. It could keep running for 70 hours, or it could crash twice in 4 hours. Stress-testing CPU, GPU, memory, and storage doesn't invoke a crash, but it'll crash when all I'm running is a single Firefox tab with HN open. Maybe I got unlucky, or maybe you got lucky. Who knows, really.

deleted 3y ago
[deleted]
xcv123 3y ago
If it's not the system hardware could it be power instability? Brownouts will trigger a reset. A UPS with power conditioner will fix that.
johnklos 3y ago
I'm one of those people who will go down the rabbit hole and not come back until I've figured it out, else I would never trust a flaky system ever again. This happened with one system where memory was failing, but it was in a very specific region which would coincidentally be where the OS stored filesystem structures, so the filesystem would become corrupt after a certain amount of use. Since it didn't feel or seem like anything memory related, it took weeks of trying different things until I decided to see about the memory. On most computers, holding the power button for five seconds turns off the power, whereas a hard reboot might be similar to someone pressing the reset button. If it were me, I'd try, in order, checking that you have the correct version of your BIOS (I accidentally loaded the latest BIOS on a system with a Ryzen 2600, and it made memory transfers unhappy), using another power supply for a while, running another OS, like NetBSD, on an external drive and doing lots of test compiles, clocking the RAM one or two steps slower, then removing all but one DIMM at a time and testing with just one DIMM.
- xcv123 3y ago
  If anyone else has this problem: https://www.memtest86.com https://www.memtest86.com
sebazzz 3y ago
> On the other hand, I'm currently dealing with an AMD system which seems to randomly hard reboot every couple of days, as if someone pressed the power button for 5 seconds. I had this actually with my Silverstone cased HTPC. Reboots several times shortly after bootup. Random. Turns out the power button was actually defective. Who would have guessed that.

by crote 3y ago

deleted 3y ago

[deleted]

xcv123 3y ago

If it's not the system hardware could it be power instability? Brownouts will trigger a reset. A UPS with power conditioner will fix that.

johnklos 3y ago

I'm one of those people who will go down the rabbit hole and not come back until I've figured it out, else I would never trust a flaky system ever again. This happened with one system where memory was failing, but it was in a very specific region which would coincidentally be where the OS stored filesystem structures, so the filesystem would become corrupt after a certain amount of use. Since it didn't feel or seem like anything memory related, it took weeks of trying different things until I decided to see about the memory. On most computers, holding the power button for five seconds turns off the power, whereas a hard reboot might be similar to someone pressing the reset button. If it were me, I'd try, in order, checking that you have the correct version of your BIOS (I accidentally loaded the latest BIOS on a system with a Ryzen 2600, and it made memory transfers unhappy), using another power supply for a while, running another OS, like NetBSD, on an external drive and doing lots of test compiles, clocking the RAM one or two steps slower, then removing all but one DIMM at a time and testing with just one DIMM.

xcv123 3y ago
If anyone else has this problem: https://www.memtest86.com https://www.memtest86.com

sebazzz 3y ago

> On the other hand, I'm currently dealing with an AMD system which seems to randomly hard reboot every couple of days, as if someone pressed the power button for 5 seconds. I had this actually with my Silverstone cased HTPC. Reboots several times shortly after bootup. Random. Turns out the power button was actually defective. Who would have guessed that.