[hwsim/vm Error] Cannot open root device "root" or unknown-block(0,0): error -19

[Johannes Berg]

On Thu, 2015-06-18 at 13:28 +0000, Rahul Jain wrote:
> In my guest kernel config, CONFIG_VIRTIO & CONFIG_VIRTIO_PCI are enabled

You need CONFIG_VIRTIO_BLK=y for sure. Probably _NET and _CONSOLE too.

johannes