updates are still failling

(8/25): lftp-3.7.14-1.fc11.i586.rpm | 938 kB 00:01 (9/25): libcap-2.16-4.fc11.1.i586.rpm | 32 kB 00:00 (10/25): libcap-devel-2.16-4.fc11.1.i586.rpm | 24 kB

kpartx cannot unmap the partitions

i have mapped a kvm disk image with the following methods: losetup /dev/loop0 /var/lib/libvirt/images/kernel.img [r...@localhost ]# kpartx -av /dev/loop0 add map loop0p1 (253:0): 0 1863477 linear /dev/loop0 63 add map loop0p2 (253:1): 0 224910 linear /dev/loop0 1863540 add map loop0p5 : 0 224847