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My Pi keeps locking up - cannot interact with it via keyboard (even Ctrl-Alt-PrintScr commands) or anything else. Screen (console) frozen.

Pulling power out and rebooting brings it up looking fine again, and there's nothing in syslog/journalctl -k around the time of the crashes - it just plain freezes up.

It's been in use for 24 months or so and has been reliable up to now.

I did once catch a screenful of kernel death messages (usually there's nothing on screen to indicate a problem) - I can upload that if helpful.

Details:

  • Pi 3b running raspbian 9.
  • Has Gigabit USB ethernet adaptor (yes yes I know it's usb2 but it's still faster than 100MBs ethernet)
  • Has external RAIDed drives via USB
  • Has TV stick
  • Runs samba, nginx, mysql, php 7.0 - sometimes heavy use, but it's not been under heavy use when it's died recently.
  • official PSU

Anyone any ideas?

  • "Anyone any ideas?" Yes - restore from your backup. – Milliways Oct 30 '19 at 23:01
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    Ah yes... actually I think it's an SD card issue. Humph. – artfulrobot Oct 30 '19 at 23:04
  • @artfulrobot, Ah yes, I also use Win10 Samba (and Rpi4 PureFTP). I have 26 micro SD cards, rotating weekly. Any old SD card showing symptoms of aging, dementia, etc, will immediately RIP and replaced by a new born SD baby. – tlfong01 Oct 31 '19 at 1:37
  • How often does the RasPi stuck? Once a day? Every minute? Unplug all devices and replug them step by step. With what device plugged in does it lock up? – Ingo Oct 31 '19 at 13:57
  • What is sdcard configs? – Sohan Arafat Nov 1 '19 at 13:18
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I think this was a damaged filesystem on the SD card.

Sorry for desparate posting!

I forced an fsck by adding fsck.mode=force to /boot/cmdline.txt and it's been OK since. I have my suspicions that a small child pulled the power wire out at some point...

I'm stil worried there could be corruption on the sdcard, so I plan to do a full offline test of it and anyway reinstall with Buster as I'm still on Stretch.

Thanks for comment replies.

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