On Wed, 2020-06-03 at 16:10 +0200, Markus Theil wrote: > While running hostapd tests, the following deadlock showed up: > > cfg80211_mgmt_registrations_update_wk locks the rtnl lock, which > is already hold by nl80211 when going into __cfg80211_unregister_wdev, > which flushes cfg80211_mgmt_registrations_update_wk. Hah, at least the work item lockdep detection is still working ;) (just the other day I was telling someone the story of how I added that) I'll take a look tomorrow. johannes