We can always improve the information to the user for something like so I've marked this as wishlist.
** Changed in: qemu Importance: Undecided => Wishlist ** Changed in: qemu Status: New => Confirmed -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/658610 Title: Check whether images have write permissions Status in QEMU: Confirmed Status in “qemu-kvm” package in Ubuntu: Confirmed Bug description: KVM/Qemu should check whether the disk images have write permissions in order to prevent users from getting weird IO errors in their VMs without understanding what's happening.