Archer C6 on 22.03.2 crashes every ~3 days

[timothyjward]

It looks like one of the developers is working on some improvements to the MT76 support which may help to properly fix this issue!

Mt76 wireless driver debugging

So I have some possible good news. I have been making modifications to the mt76 driver and compiling the openwrt kernel. I've had the RT3200 running for around 10 days now without a crash. I found a number of potential race conditions, so filled in some missing rcu_read_locks/synchronize_rcu() as well as making sure some of the ieee80211 kernel functions marked as "do not call these concurrently" can no longer be called concurrently. I believe the worse that can happen here is slowing things d…