[ubuntu] virtfs and qemu in 12.04: no write access to shared folder

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http://ubuntuforums.org – Hi, I'm struggling with shared folders between a 64bit "Precise"-host and a 64bit "Precise"-VM under qemu-kvm. I've followed the usual guides, managed the usual pitfalls (install linux-image-extra-virtual so I get all the 9p kernel modules, reconfigure apparmor so guest access is allowed and so on) and get to the point where I can mount a shared folder inside the guest and read all files on it. The only problem is writing, meaning I can't create new files or change existing files inside the guest (works fine on the host). All I get is "permission denied", but nei (Hardware)