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From:   Fabio Estevam <festevam@gmail.com>
Date:   Sun, 19 Sep 2021 18:44:08 -0300
Message-ID: <CAOMZO5CGuKQ0yVyoD86G3KnxoBd2fq+uCTTLoqVR-13Y5a-36Q@mail.gmail.com>
Subject: Re: imx8mm board crash in drivers/usb/chipidea/ci_hdrc_imx.c
To:     Heiko Thiery <heiko.thiery@gmail.com>
Cc:     Peter Chen <peter.chen@nxp.com>, Jun Li <jun.li@nxp.com>,
        Yu Kuai <yukuai3@huawei.com>,
        Sascha Hauer <s.hauer@pengutronix.de>,
        Mark Brown <broonie@kernel.org>,
        USB list <linux-usb@vger.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@lists.infradead.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Frieder Schrempf <frieder.schrempf@kontron.de>
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Hi Heiko,

On Sun, Sep 19, 2021 at 4:33 PM Heiko Thiery <heiko.thiery@gmail.com> wrote:

> > Does this patch help?
> > https://pastebin.com/raw/yZKz1huL
>
> I can confirm that on the next-20210915 (that includes commit
> 78e80c4b4238c1f5642b975859664fced4f9c69e) your provided patch solves
> the problem.

Thanks for testing it.

> But is it explainable that in the version before the commit
> 78e80c4b4238c1f5642b975859664fced4f9c69e the problem occurs in the
> form I reported?

I don't understand this problem either. I would suggest bisecting it.