On Fri, 2019-11-08 at 12:10 +0100, Toke Høiland-Jørgensen wrote: > Right, bugger. I was thinking maybe there's a case where skbs can be > cloned (and retain the tx_time_est field) and then released twice? They could be cloned, but I don't see how that'd be while *inside* the stack and then they get reported twice - unless the driver did something like that? I mean, TCP surely does that for example, but it's before we even get to mac80211. > Or > maybe somewhere that steps on the skb->cb field in some other way? > Couldn't find anything obvious on a first perusal of the TX path code, > but maybe you could think of something? No, sorry. But I also didn't actually look at the driver at all. > Otherwise I guess we'll be forced to go and do some actual, > old-fashioned debugging ;) :) johannes
