Re: regression: kernel panic: 9pnet_virtio: no channels available for device root

From: Christoph Hellwig
Date: Thu Sep 30 2021 - 10:39:51 EST


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.