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From:   Emmanuel Grumbach <egrumbach@gmail.com>
Date:   Wed, 9 Jan 2019 20:39:32 +0200
Message-ID: <CANUX_P27VP_Vy+omnO2CAGvntZNF6vowrFEHrAfeSgPrFJFdsg@mail.gmail.com>
Subject: Re: [PATCH 3/3] iwlwifi: Load firmware exclusively for Intel WiFi
To:     =?UTF-8?Q?Jo=C3=A3o_Paulo_Rechi_Vita?= <jprvita@gmail.com>
Cc:     Marcel Holtmann <marcel@holtmann.org>,
        Kai-Heng Feng <kai.heng.feng@canonical.com>,
        Luca Coelho <luciano.coelho@intel.com>,
        Kalle Valo <kvalo@codeaurora.org>,
        Emmanuel Grumbach <emmanuel.grumbach@intel.com>,
        Johannes Berg <johannes.berg@intel.com>,
        "David S. Miller" <davem@davemloft.net>,
        Intel Linux Wireless <linuxwifi@intel.com>,
        linux-wireless <linux-wireless@vger.kernel.org>,
        Network Development <netdev@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Linux Upstreaming Team <linux@endlessm.com>,
        =?UTF-8?Q?Jo=C3=A3o_Paulo_Rechi_Vita?= <jprvita@endlessm.com>
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Hello,

> > > >
> > > > our hardware teams from the Bluetooth and WiFi side really need to look at this.
> >
> > Were you able to get attention from the hardware teams with the logs
> > I've provided? Are there any news or an idea of when / if we can
> > expect this to be fixed in firmware? If not, do you have suggestions
> > for an alternative solution?
> >
>
> Sorry to bother you again with this, but I'd really like to figure out
> some way forward here. Did you get any feedback from the hardware
> teams? Otherwise, I understand having an inter-dependency between the
> wifi and bt kernel modules is not desirable, so do you have any
> suggestion on how to solve this without adding this dependency?
>

Have you tried the update the BT firmware with what is now available in
mainline linux-firmware.git?
I heard that this problem has now been resolved. After you update the
BT firmware, you need a full power cycle.