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From:   Anders Roxell <anders.roxell@linaro.org>
Date:   Fri, 1 Oct 2021 11:44:32 +0200
Message-ID: <CADYN=9+1k8CM814kzMQe_neqRc_MQdtfVR+=QPV6zwawYzntgQ@mail.gmail.com>
Subject: Re: regression: kernel panic: 9pnet_virtio: no channels available for
 device root
To:     Christoph Hellwig <hch@lst.de>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-fsdevel@vger.kernel.org
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On Thu, 30 Sept 2021 at 16:39, Christoph Hellwig <hch@lst.de> wrote:
>
> On Thu, Sep 30, 2021 at 11:25:45AM +0200, Anders Roxell wrote:
> > Hi Christoph,
> >
> > I've found a boot regression when ran my allmodconfig kernel on tag v5.15-rc1
> > I've bisected it down to commit f9259be6a9e7 ("init: allow mounting
> > arbitrary non-blockdevice filesystems as root"), see the bisect log
> > [1].
>
> Please try a kernel with:
>
> "init: don't panic if mount_nodev_root failed" included.

That worked for me.

Cheers,
Anders