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Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. Debian provides more than a pure OS: it comes with over 59000 packages, precompiled software bundled up in a nice format for easy installation on your machine.

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What to do after a crash? (lemmy.pt)

submitted 2 months ago* (last edited 2 months ago) by [email protected] to c/[email protected]

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My system seems to crash from time to time. I still don't know what causes it.

If I leave it untouched for a few hours, sometimes, it crashes.

To resume, I have to force a reboot by unplugging the power cable (not even pressing the power button for N seconds seems to work).

Then, it seems to work just fine (after displaying some error messages about lost or orphaned inodes at boot). Until, one day, it happens again. When? I never know. It seems to follow some strange and unpredictable pattern.

Where should I start investigating?

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[–] [email protected] 2 points 2 months ago (1 children)

Only when it’s idle for a while? That would point to power saving or suspend. You could try changing those to see if it affects the situation.

That's my feeling as well. It's set to suspend after 20mn and the power button in set to suspend, so maybe if I try to suspend and wake back up several times, one of the times it will fail... God! I am really not in the mood for that!... Let's see...

But yes, hardware. And I would suspect the display controller in particular. I’ve seen many that glitch when in power saving.

Hum!...

$ lspci
 00:02.0 VGA compatible controller: Intel Corporation HD Graphics 620 (rev 02)

Also, have you checked for bios updates?

I updated the bios on an asus PN40 before and bricked it, so... didn't try in this one. It's my workhorse. :-|

[–] [email protected] 3 points 2 months ago (1 children)

How old is that PC? Anything newer than 10 years (and not a bargain bin prebuilt) shouldn't have this issue cause it should have a backup BIOS.

[–] [email protected] 2 points 2 months ago

I can't remember when I bought it, it must be newer than that, but concerning the "bargain bin prebuilt" status... It certainly was cheap. That's why I bought it.