From mboxrd@z Thu Jan  1 00:00:00 1970
From: Will Deacon <will.deacon@arm.com>
Subject: Re: [PATCH] kvmtool: README: kernel config to support virtio-blk
 devices
Date: Tue, 8 Nov 2016 18:55:39 +0000
Message-ID: <20161108185539.GO20591@arm.com>
References: <1478585309.21089.5.camel@gmail.com>
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Cc: kvm@vger.kernel.org
To: Xingyou Chen <niatlantice@gmail.com>
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On Tue, Nov 08, 2016 at 02:08:29PM +0800, Xingyou Chen wrote:
> Kernel complains as:
> VFS: Cannot open root device "vda" or unknown-block(0,0): error -6
> when configured with CONFIG_VIRTIO_BLK=y according to README.
> CONFIG_SCSI_VIRTIO=y is also needed to bring guest into disk fs.
> 
> Signed-off-by: Xingyou Chen <niatlantice@gmail.com>
> 
> diff --git a/README b/README
> index 5501f05..a24b451 100644
> --- a/README
> +++ b/README
> @@ -56,6 +56,7 @@ linux-0.2.img.bz2
>  
>   - For virtio-blk devices (--disk, -d):
>         CONFIG_VIRTIO_BLK=y
> +       CONFIG_SCSI_VIRTIO=y
>  
>   - For virtio-net devices ([--network, -n] virtio):
>         CONFIG_VIRTIO_NET=y

I don't know how you generated this, but please use git. It's missing
a cut between the commit log and the diff, as well as a diffstat.

Will