BBGW v1.1 unreliable

I’ve had nothing but problems with the latest hardware revision of the BeagleBone Green Wireless boards, which are now shipping as version 1.1. They don’t boot reliably, with CPU lockups after dropping the wireless connection. Here’s the typical messages that I see, although if I keep power cycling them maybe one in ten boots will stay up.

[   45.705957] Bluetooth: hci0: command 0xfd06 tx timeout
[   53.737707] Bluetooth: hci0: send command failed
[   53.742463] Bluetooth: hci0: download firmware failed, retrying...
[   80.057406] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:11:136]

Curious to know if anyone else has experienced similar problems with these boards. I’m wondering if there’s a software tweak that will help this.