On Thu, Feb 23, 2017 at 11:49:39AM -0800, Vasu M wrote: > Hi, > > Not sure if this is a correct forum to discuss but I am facing an issue on > Ubuntu 16.04.1 64 bit kernel 4.8.0-39-generic using wifi adapter > AR2413/AR241 which is running ATH5K version 4.8.0.39-generic. If this is > not the correct alias, please excuse and suggest the right alias. 4.8.0.39-generic is not currently supported. Perhaps you could try upgrading to a supported kernel. The Ubuntu 16.04 LTS installs 4.4.0 on my machine. You may like to try compiling a newer custom kernel. See https://www.kernel.org/ for list of supported kernels. Good luck, Tobin. > > After a cold reboot, the NM is not detecting the WIFI. Machine is not able > to recover from this. I also restarted network manager and reloaded the > driver but didn't fix the issue. > > Tried: > sudo rmmod -f ath5k > (got a msg -- disconnected - you are offline) > sudo rfkill unblock all > sudo modprobe ath5k (Nothing happened) > > When i check the /etc/modprobe.d/blacklist-ath_pci.conf, I see the > following - > > #For some Atheros 5K RF MACs, the madwifi driver loads but fails to > #correctly initialize the hardware, leaving it in a state from which ath5k > #cannot recover. To prevent this condition, stop madwifi from loading by > #default. Use Jockey to select one driver or the other. (Ubuntu #315056, > #323830) > blacklist ath_pci > > There are some bugs reported in the past but I don't come across anything > that was reported in the latest kernel which is similar. Not sure if this > is a bug still lurking around but I found someone reporting a similar > problem here - > https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1569590. > > Any guidance is much appreciated. > > Thanks, > Vasu > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies -- Tobin Harding http://tobin.cc _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies