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lock the board #8

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opened 2019-04-20 11:06:15 +08:00 by sb10q · 6 comments
sb10q commented 2019-04-20 11:06:15 +08:00
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There can be multiple instances of extended-tests running, and they can conflict for the board.
With the previous buildbot (which didn't use rpi) we used flock to solve board access exclusivity problems.

There can be multiple instances of ``extended-tests`` running, and they can conflict for the board. With the previous buildbot (which didn't use rpi) we used ``flock`` to solve board access exclusivity problems.
astro commented 2019-04-24 05:13:17 +08:00
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The lockfile will probably have to reside in a directory within nix.sandboxPaths. Any preferred location, or in /opt?

The lockfile will probably have to reside in a directory within `nix.sandboxPaths`. Any preferred location, or in `/opt`?
sb10q commented 2019-04-24 10:42:48 +08:00
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Or it could reside on the Raspberry Pi. That's more complicated, but then we have one central place that manages the board.
Human users (and not just Hydra) want to access the boards too, and there should be a good mechanism to prevent conflicts.

Or it could reside on the Raspberry Pi. That's more complicated, but then we have one central place that manages the board. Human users (and not just Hydra) want to access the boards too, and there should be a good mechanism to prevent conflicts.
sb10q commented 2019-06-14 11:29:07 +08:00
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There is also some information in ARTIQ DEVELOPER_NOTES.rst that needs attention.

There is also some information in ARTIQ DEVELOPER_NOTES.rst that needs attention.
astro commented 2019-09-25 05:14:15 +08:00
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There is also some information in ARTIQ DEVELOPER_NOTES.rst that needs attention.

Regarding the lockfile path? Does that /var/lib/artiq/boards path exist on the RPi?

> There is also some information in ARTIQ DEVELOPER_NOTES.rst that needs attention. Regarding the lockfile path? Does that `/var/lib/artiq/boards` path exist on the RPi?
sb10q commented 2019-11-18 15:27:19 +08:00
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f330e285fb

https://github.com/m-labs/artiq/commit/f330e285fb584c00ead3b47c9ee93b8b728f746a
sb10q closed this issue 2019-11-18 15:27:19 +08:00
sb10q commented 2019-11-18 15:28:15 +08:00
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I just meant it needed to be consistent. I don't insist on the /var/lib/artiq/boards path.

I just meant it needed to be consistent. I don't insist on the ``/var/lib/artiq/boards`` path.
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Reference: M-Labs/nix-scripts#8
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