@mjg59 on the other hand #hostapd or #ath9k / #ath10k / #ath11k / #ath12k / #mt76 /... in the wireless ecosystem are huge projects and use #copyfree licenses like #BSD or #ISC. Where the goal is to allow creating forks for commercial, closed-source products with extra, wifi related features. This motive and use-case for #copyfree is what I see more as a threat to #copyleft than using #copyfree in a new coreutils suite.

It is not the Brother printer.
Maybe it is the #ath10k-ct driver on #OpenWRT?

Switched to non-ct drivers and waiting another ten hours to see whether the chip dies again.

"Software support: Expect some pain, ath10k drivers required." https://pcengines.ch/wle600vx.htm #pcengines #ath10k
PC Engines wle600vx product file

PC Engines wle600vx minipci express wifi radio