Re: [LEDE-DEV] imx6: fail to start IBSS link

2017-04-07 Thread Tim Harvey
On Fri, Apr 7, 2017 at 8:31 AM, Koen Vandeputte wrote: > > > On 2017-04-03 16:03, Tim Harvey wrote: > > > Hi Tim, > > Also apologies for the late reply. > It's also a very busy period here :) > > It also took some time to retest this issue list again using todays trunk > version (4.9.20 kernel) >

Re: [LEDE-DEV] imx6: fail to start IBSS link

2017-04-07 Thread Koen Vandeputte
On 2017-04-03 16:03, Tim Harvey wrote: Hi Tim, Also apologies for the late reply. It's also a very busy period here :) It also took some time to retest this issue list again using todays trunk version (4.9.20 kernel) When the IMX6 PCIe host controller uses MSI legacy interrupts stop work

Re: [LEDE-DEV] imx6: fail to start IBSS link

2017-04-03 Thread Tim Harvey
On Mon, Mar 6, 2017 at 7:52 AM, Koen Vandeputte wrote: > > > On 2017-02-17 17:19, Koen Vandeputte wrote: >> >> >> >>> Koen, >>> >>> Can you try to disable MSI? I've seen issues with it in the past for >>> IMX6 and I typically leave it disabled as it doesn't buy us anything >>> and can instead hurt

Re: [LEDE-DEV] imx6: fail to start IBSS link

2017-03-06 Thread Koen Vandeputte
On 2017-02-17 17:19, Koen Vandeputte wrote: Koen, Can you try to disable MSI? I've seen issues with it in the past for IMX6 and I typically leave it disabled as it doesn't buy us anything and can instead hurt performance. If I recall, I think its now 'required' by the IMX6 PCIe driver so it

Re: [LEDE-DEV] imx6: fail to start IBSS link

2017-02-17 Thread Koen Vandeputte
Koen, Can you try to disable MSI? I've seen issues with it in the past for IMX6 and I typically leave it disabled as it doesn't buy us anything and can instead hurt performance. If I recall, I think its now 'required' by the IMX6 PCIe driver so it may take a kernel change to disable it. Other

Re: [LEDE-DEV] imx6: fail to start IBSS link

2017-02-17 Thread Tim Harvey
On Thu, Feb 16, 2017 at 6:22 AM, Koen Vandeputte wrote: > Hi Felix, > Hi Tim, > > commit "imx6: move to Linux 4.9 kernel" introduces some regression on wlan > level. > > > When starting wpa_supplicant to initiate an IBSS link, the handshake fails. > Inspecting it reveals that no data packets are t

[LEDE-DEV] imx6: fail to start IBSS link

2017-02-16 Thread Koen Vandeputte
Hi Felix, Hi Tim, commit "imx6: move to Linux 4.9 kernel" introduces some regression on wlan level. When starting wpa_supplicant to initiate an IBSS link, the handshake fails. Inspecting it reveals that no data packets are transceived (both TX & RX). Beacon frames seem to come in, as scannin