Hello Adrian, Yes, this always appear. In chronological order, this can be described as follows:
1. system reboot 2. for several hours, all clients can successfully associate and works fast 3. transfer rate is reduced and there are increasing messages: ath0: stuck beacon; resetting (bmiss count 4) ath0: stuck beacon; resetting (bmiss count 4) ath0: stuck beacon; resetting (bmiss count 4) ar5416StopDmaReceive: dma failed to stop in 10ms AR_CR=0x00000024 AR_DIAG_SW=0x42000020 ath0: stuck beacon; resetting (bmiss count 4) ath0: stuck beacon; resetting (bmiss count 4) ath0: stuck beacon; resetting (bmiss count 4) 4. finally connections are interrupted and customers can no longer be associated I use TP-LINK TL-WN851ND v1: http://www.tp-link.us/products/details/?categoryid=&model=TL-WN851ND https://wikidevi.com/wiki/TP-LINK_TL-WN851ND Thank you very much! 2014-09-07 1:03 GMT+04:00 Adrian Chadd <adrian.ch...@gmail.com>: > Hi! > > On 6 September 2014 02:39, Alex Deiter <alex.dei...@gmail.com> wrote: > > Hello Adrian, > > > > Today the network adapter completely hung with messages: > > > > Sep 6 13:26:19 blackbird kernel: ar5416PerCalibrationN: NF calibration > > didn't finish; delaying CCA > > Sep 6 13:26:49 blackbird kernel: ar5416PerCalibrationN: NF calibration > > didn't finish; delaying CCA > > Sep 6 13:27:19 blackbird kernel: ar5416PerCalibrationN: NF calibration > > didn't finish; delaying CCA > > Sep 6 13:27:49 blackbird kernel: ar5416PerCalibrationN: NF calibration > > didn't finish; delaying CCA > > > > and clients can not connect. > > Does this always appear when it hangs? > > That means the baseband has gone receive deaf and locked up. > > Lemme go find an AR9227 to throw in a test AP here and reproduce. I > remember seeing this in the past, so I should be able to reproduce it > relatively easily. > > Thanks! > > > -a > -- Alex Deiter _______________________________________________ freebsd-wireless@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-wireless To unsubscribe, send any mail to "freebsd-wireless-unsubscr...@freebsd.org"