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From: Sid Hayn <sidhayn@gmail.com>
Date: Tue, 18 Sep 2018 13:36:51 -0400
Message-ID: <CAM0KTbDq7v6phbr72LXEoYzu9iQ9L-MN85Zzn5Oz9kGsuVCV_Q@mail.gmail.com> (sfid-20180918_193703_482497_3CBFCA18)
Subject: Re: mt76x0 bug report
To: sgruszka@redhat.com
Cc: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>,
        linux-wireless <linux-wireless@vger.kernel.org>,
        Felix Fietkau <nbd@nbd.name>,
        linux-mediatek@lists.infradead.org, dcaratti@redhat.com
Content-Type: text/plain; charset="UTF-8"
Sender: linux-wireless-owner@vger.kernel.org

On Tue, Sep 18, 2018 at 7:56 AM Stanislaw Gruszka <sgruszka@redhat.com> wrote:
>
> On Mon, Sep 17, 2018 at 11:18:57PM -0400, Sid Hayn wrote:
> > Sorry to bump the one thing that we both agreed was low priority but....
> >
> > So was testing all of my dongles that use the driver you are working
> > on, and running them through my connect scripts.  I moved the AP to
> > maybe <5ft from the clients and something wierd happened.  The t1u
> > tried to connect to one of the 2.4GHz only networks.  It failed, but
> > it actually got enough scan data back to attempt authentication with a
> > valid 2.4GHz only bssid.  Which means in short, that the eeprom isn't
> > lying and your parsing of it is correct.  Something obviously makes
> > this a 5GHz only device, as the connection failed and most of the time
> > nothing at all is seen on 2.4GHz, but clearly it's some filter or
> > antenna or some other mechanism which makes it 5GHz only.  So probably
> > hardware lying to you is now even lower on your list since this safely
> > rules out the driver parsing the eeprom incorrectly.
>
> First of all would be good to check if problem is not already solved,
> latest version of the driver can be found here:
> https://github.com/nbd168/wireless

Booting that kernel gets me instant to near instant kernel panics, so
I am unable to test much.
>
> Second, is there vendor driver available for this particular device?
> Perhaps there are some tweeks needed that are not provided by generic
> driver.

No clue, haven't even tried to look.  This hardware was all sitting on
a shelf till it looked like a real driver was being merged into the
kernel.... so um, thanks :-)

-Zero
>
> Thanks
> Stanislaw