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From: Luca Coelho <luca@coelho.fi>
To: Chris Chiu <chiu@endlessm.com>
Cc: johannes.berg@intel.com, linuxwifi@intel.com,
        linux-wireless@vger.kernel.org,
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Date: Fri, 17 Nov 2017 09:53:06 +0200
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Subject: Re: Need support for Intel new wifi module 9462NGW
Sender: linux-wireless-owner@vger.kernel.org
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On Fri, 2017-11-17 at 15:38 +0800, Chris Chiu wrote:
> On Fri, Nov 17, 2017 at 2:46 PM, Luca Coelho <luca@coelho.fi> wrote:
> > On Fri, 2017-11-17 at 14:39 +0800, Chris Chiu wrote:
> > > On Thu, Nov 16, 2017 at 5:49 PM, Luca Coelho <luca@coelho.fi>
> > > wrote:
> > > > Hi Chris,
> > > > 
> > > > On Thu, 2017-11-09 at 11:11 +0800, Chris Chiu wrote:
> > > > > Hi Luca,
> > > > >     Any suggestion for the "Failed to start INIT ucode: -110"
> > > > > issue
> > > > > for the firmware?
> > > > 
> > > > There were a few problems which should now be fixed.  We
> > > > published
> > > > new
> > > > firmwares in our linux-firmware.git tree[1] and also made some
> > > > fixes in
> > > > the driver[2].  Please update your system accordingly and let
> > > > me
> > > > know
> > > > if it works for you.
> > > > 
> > > > Thanks!
> > > > 
> > > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/lin
> > > > ux-f
> > > > irmware.git/
> > > > [2] https://patchwork.kernel.org/patch/10059871/
> > > >     https://patchwork.kernel.org/patch/10059875/
> > > >     https://patchwork.kernel.org/patch/10059873/
> > > > 
> > > > --
> > > > Cheers,
> > > > Luca.
> > > 
> > > Hi Luca,
> > 
> > Hi Chris,
> > 
> > 
> > >     Thanks for your patch and updated firmware. The driver can
> > > initialize w/o error now. However, it always fails on ip-config
> > > after
> > > 4-way handshake complete. I have to mention that I removed the
> > > field
> > > ".soc_latency" in all new iwl_cfg you added in
> > > https://patchwork.kernel.org/patch/10059875/ to remove compile
> > > error
> > > based on the linux mainline 4.14.
> > >     I don't know whether if this causes the problem. Do you need
> > > me
> > > to
> > > do anything for more information?
> > 
> > That was my fault, I forgot to include one file in my commit.  I
> > have
> > sent v2 of the two last patches to solve the problem.  Can you try
> > them?
> > 
> > The problem you're seeing could be related to that, because we use
> > a
> > bit longer wait period for HW stabilization with integrated
> > devices.
> > And if you remove it, you may encounter random problems...
> > 
> > --
> > Cheers,
> > Luca.
> 
> Hi Luca,
>     Thanks for your quick response. I  tried your v2 patch but things
> remain the same. The signal strength and scan results seems nothing
> wrong but still fail to get ip from DHCP server. Please let me know
> what I can help here.

Can you provide the dmesg output and trace-cmd logs as explained here?

https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi/debugging


--
Cheers,
Luca.