Hi all, On Tue, Mar 01, 2016 at 08:11:54AM +0000, Dexuan Cui wrote: > Hi, I got this line every 10 seconds with today's linux-next in a Hyper-V > guest, even > when I didn't configure any NIC for the guest: > > [ 72.604249] unregister_netdevice: waiting for lo to become free. Usage > count = 2 > [ 82.708170] unregister_netdevice: waiting for lo to become free. Usage > count = 2 > [ 92.788079] unregister_netdevice: waiting for lo to become free. Usage > count = 2 > [ 102.808132] unregister_netdevice: waiting for lo to become free. Usage > count = 2 > [ 112.928166] unregister_netdevice: waiting for lo to become free. Usage > count = 2 > [ 122.952069] unregister_netdevice: waiting for lo to become free. Usage > count = 2 > > I don't think this is related to the underlying host, since it's related to > "lo". > > This should be a recent regression, as I remember the January linux-next > didn't have > this issue. > > Any idea? > > The gzip-ed kernel config is attached FYI. > > Thanks, > -- Dexuan >
Just a "me too", but I have this problem on a Lenovo Carbon X1 when running linux-next 20160301. It worked with 20160225. I can test patches and I will try to bisect the problem as time allows. -- - Jeremiah Mahler
