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locking: Prevent deadlock by making lock ordering consistent. #16
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Just curious, did you try with https://github.com/sasha-s/go-deadlock? |
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LGTM (but I'm just randomly here and have no power). |
No, we figured it out by looking at a goroutine dump from the deadlocked process. The go-deadlock project looks cool, thanks for pointing it out! |
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Thanks for the diagnosis and fix, @ksedgwic! |
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I reordered lock acquisition to always be hm first, then gm and finally cm.
Fixes observed deadlock.