Originally noted by eparis:
rjones: libguestfs in epel for 5.4? you seen this?
Error: Missing Dependency: qemu-system-x86 >= 0.10.5 is needed by package 1:libguestfs-1.0.68-5.el5.x86_64 (epel)
OK so this is not a bug.
libguestfs is now in epel (stable).
But it depends on qemu-system-x86 which is still in epel-testing,
hence you have to enable the epel-testing repo to get the required