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watchdog: verify new kernel watchdog option #418

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mpvader opened this issue Feb 11, 2019 · 3 comments
Closed
4 tasks done

watchdog: verify new kernel watchdog option #418

mpvader opened this issue Feb 11, 2019 · 3 comments
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@mansr

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@mpvader
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mpvader commented Feb 11, 2019 •
edited by mansr
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Newer kernels have a new watchdog feature, telling the kernel what to do when the watchdog is already running when the kernel loads.

The default of that setting is not good for us: it keeps the watchdog happy until the userland watchdog daemon takes over. Which leaves the system with a vulnerable time in case something goes wrong in userland.

Docs: https://github.com/victronenergy/venus/wiki/watchdog

  • beaglebone
  • canvu500
  • ccgx
  • sunxi
@mansr
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mansr commented Mar 5, 2019

canvu500 fixed in v4.14.71-canvu500-5, pending release.

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mpvader commented Apr 26, 2019

For the beaglebone, kernel needs to be upgraded for this issue. Which will be done once there is a good moment (not now; v2.30 needs releasing)

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mansr commented May 19, 2021

All machines run a new kernel with correct configuration since v2.70~8.

@mansr mansr closed this as completed May 19, 2021
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