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Date:   Thu, 16 Sep 2021 14:56:25 -0700
From:   Jakub Kicinski <kuba@kernel.org>
To:     Tedd Ho-Jeong An <tedd.an@linux.intel.com>
Cc:     linux-bluetooth@vger.kernel.org,
        Marcel Holtmann <marcel@holtmann.org>,
        Johan Hedberg <johan.hedberg@gmail.com>,
        Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Subject: Re: Intel bt broken on linux-next?
Message-ID: <20210916145625.4e0b8c8e@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
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References: <20210916132747.218fb12f@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
        <ae7804e8a9877f94a7c798ac4c787a7f7f7f21af.camel@linux.intel.com>
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On Thu, 16 Sep 2021 14:46:13 -0700 Tedd Ho-Jeong An wrote:
> > looks like my Bluetooth stopped working after upgrade to linux-next 
> > as of yesterday (next-20210915). Is this a known problem?
> > 
> > [   19.594522] Bluetooth: hci0: Bootloader revision 0.1 build 42 week 52 2015
> > [   19.595515] Bluetooth: hci0: Device revision is 2
> > [   19.595517] Bluetooth: hci0: Secure boot is enabled
> > [   19.595517] Bluetooth: hci0: OTP lock is enabled
> > [   19.595518] Bluetooth: hci0: API lock is enabled
> > [   19.595519] Bluetooth: hci0: Debug lock is disabled
> > [   19.595520] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
> > [   19.661829] Bluetooth: hci0: Found device firmware: intel/ibt-17-16-1.sfi
> > [   19.661924] Bluetooth: hci0: Boot Address: 0x40800
> > [   19.661925] Bluetooth: hci0: Firmware Version: 6-12.21
> > [   21.971023] Bluetooth: hci0: command 0xfc09 tx timeout
> > [   29.970995] Bluetooth: hci0: Failed to send firmware data (-110)
> > [   29.971108] Bluetooth: hci0: sending frame failed (-19)
> > [   29.971119] Bluetooth: hci0: Intel reset sent to retry FW download
> > [   30.123040] Bluetooth: hci0: sending frame failed (-19)
> > [   32.097392] Bluetooth: hci0: command 0xfc1e tx timeout
> > [   32.097408] Bluetooth: hci0: Failed to read MSFT supported features (-110)
> > 
> > I think it's part of:
> > 
> > 00:14.3 Network controller: Intel Corporation Cannon Point-LP CNVi [Wireless-AC] (rev 30)  
> 
> I don't think it was known issue to me. 
> What was your previous kernel before switching to next-20210915?

v5.14.3

> Also, do you still have a problem after cold reboot the system? (completely shutdown and wait some
> seconds before start).

Let me get back to you on that.

Thanks!

> From the log above, the command (0xfc09) is failing which the device may in the weird state.