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From:   Nathan Royce <nroycea+kernel@gmail.com>
Date:   Fri, 16 Aug 2019 20:15:17 -0500
Message-ID: <CALaQ_hqEZ-kco1esyB4mk0z9Q9Xt1XZsgYKR7gSdF7COERKoOA@mail.gmail.com>
Subject: Re: Kernel 5.2.8 - au0828 - Tuner Is Busy
To:     Brad Love <brad@nextdimension.cc>
Cc:     sean@mess.org, Mauro Carvalho Chehab <mchehab@kernel.org>,
        Hans Verkuil <hverkuil@xs4all.nl>,
        Shuah Khan <shuah@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
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On Fri, Aug 16, 2019 at 1:42 PM Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
> If you revert that one commit, does things start working again?
>
> thanks,
>
> greg k-h
Hey Greg, I just got finished building it after running "$ git revert
812658d88d26" and verifying it reverted by comparing one of the files
from git log -p, but alas, no joy.

On Fri, Aug 16, 2019 at 5:41 PM Brad Love <brad@nextdimension.cc> wrote:
>
> Hi Nathan,
>
> I don't have a "woodbury", but I have a Hauppauge 950Q sitting around
> and tested it on latest mainline kernel. w_scan is ok and streaming is
> fine. There's no unexpected errors. The 950Q uses the same au0828 bridge
> and au8522 demod as woodbury, but a different tuner. Your problem
> wouldn't appear to be a general au0828 issue.
>
> You might have to check out git bisect. That will be the quickest way to
> get to the bottom, if you've got points A and B, and are
> building/running your own kernel.
>
> Cheers,
>
> Brad
Thanks Brad, I'll explore bisecting and hopefully will be able to
narrow down the cause.
I wasn't running my own kernel, but rather using the Arch Linux kernel
and modding the one module and putting it in "extramodules".