Classify the following bug report. it is part of qemu.

These are the possible categories:

mistranslation: incorrect semantic mapping from source architecture to IR/target, which happen in user-mode
assembly: assembly lowering
other: other
device
graphic
socket
network
KVM
boot
vnc
debug
files
permissions
performance
kernel
peripherals
hypervisor

Respond only with a single word, the name of the category. 

Bug report follows: