On Sun, May 25, 2014 at 10:39 PM, Emmanuel Grumbach <egrumbach@xxxxxxxxx> wrote: > On Mon, May 26, 2014 at 8:06 AM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote: >> 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. >> > Can you please disable powersave? > It seems that it should be disabled by default, but you enabled it? > I might be confused though... Looking again at the code... This? $ cat /sys/module/iwlwifi/parameters/power_save N I have pcie_aspm.policy=powersave, but I don't think that should matter. Or am I missing something? --Andy -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
