On Sun, May 25, 2014 at 10:23 AM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote: > I have an old iwldvm station (Intel(R) Centrino(R) Ultimate-N 6300 > AGN, REV=0x74) and a new ath10k AP (QCA9880-BR4A, I think, as found in > the TP-Link Archer C7 vs). The former is Fedora's 3.14 kernel and the > latter is OpenWRT trunk from a few days ago. > > Every now and then, my connection drops out. From wireshark on the > station, it looks like traffic from the AP to the STA is coming > through but traffic from the STA to the AP is not. I could be wrong > here, though. Nothing is logged in either machine's kernel log. > After 5 seconds to a couple minutes, everything starts working again. > > A couple of Apple devices using the same radio on the same AP seem to work fine. > > Any advice for debugging this? I don't know where to start. I caught one of the stalls with iwlwifi debugging on. I've attached the dmesg. The stall ended ten seconds or so before the end of this trace. Is this an indication that something's wrong with iwlwifi? [151258.096091] iwlwifi 0000:03:00.0: U iwlagn_good_plcp_health plcp health thre shold 50 delta 96 msecs 103 [151258.096095] iwlwifi 0000:03:00.0: U iwl_force_rf_reset perform radio reset. --Andy
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