Control: reassign -1 initramfs-tools 0.109 On Tue, 2012-12-18 at 16:20 -0800, Josh Triplett wrote: > Package: src:linux > Version: 3.6.9-1~experimental.1 > Severity: normal > > The virtio 9p filesystem uses a "mount tag" to distinguish between > multiple filesystems provided to the guest. The host can provide these > via the mount_tag=$NAME parameter to kvm's -virtfs option, and the guest > supplies the mount tag as the device name to mount. This works fine for > non-root filesystems. However, when attempting to use a virtio 9p > filesystem as the root filesystem (with rootfstype=9p), the kernel > ignores the "root=$NAME" option on the kernel command line, and always > uses "/dev/root" as the mount tag. Making matters worse, kvm itself > doesn't currently accept "/dev/root" as a mount tag, or anything else > with a '/' in it (separate bug filed for that). Hacking kvm to accept > /dev/root allows this to work, but the kernel really should use the name > passed to the root= option as the mount tag. [...] When using an initramfs, implementation of the 'root' kernel parameter is the responsibility of the initramfs! Ben. -- Ben Hutchings Make three consecutive correct guesses and you will be considered an expert.
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