Re: Adding vlan to DSA port causes lockdep splat

2017-03-29 Thread Russell King - ARM Linux
On Wed, Mar 29, 2017 at 09:45:16AM -0700, Florian Fainelli wrote: > On 02/21/2017 12:38 AM, Maxim Uvarov wrote: > > Is there any progress on subj issue? I'm afraid the report got completely ignored. Hope you have better luck. > > I see it was investigated here: > > https://www.spinics.net/lists/

Re: Adding vlan to DSA port causes lockdep splat

2017-03-29 Thread Florian Fainelli
On 02/21/2017 12:38 AM, Maxim Uvarov wrote: > Is there any progress on subj issue? > > I see it was investigated here: > https://www.spinics.net/lists/netdev/msg361434.html I was just able to reproduce this and will try to look into it. At first glance, the reason why we usually don't see it, is

Re: Adding vlan to DSA port causes lockdep splat

2017-02-21 Thread Andrew Lunn
On Tue, Feb 21, 2017 at 11:38:24AM +0300, Maxim Uvarov wrote: > Is there any progress on subj issue? > > I see it was investigated here: > https://www.spinics.net/lists/netdev/msg361434.html Hi Maxim Nobody made further investigations. And since i don't see it in my tests, i've never been annoye

Adding vlan to DSA port causes lockdep splat

2017-02-21 Thread Maxim Uvarov
Is there any progress on subj issue? I see it was investigated here: https://www.spinics.net/lists/netdev/msg361434.html But it still exist on later kernels: [ 37.320301] ip/1047 is trying to acquire lock: [ 37.324764] (_xmit_ETHER/1){+.}, at: [] dev_mc_sync+0x4c/0x88 [ 37.331882] [

[BUG] Adding vlan to DSA port causes lockdep splat

2016-01-24 Thread Russell King - ARM Linux
Adding a vlan to a DSA switch port netdev causes the following lockdep splat on v4.4. This was caused by: # vconfig add lan5 2048 # ip link set lan5.2048 up = [ INFO: possible recursive locking detected ] 4.4.0+ #41 Not tainted