yum update error

[crosswing]

when i`m trying to update f11 give me errors:
Total size: 754 M
Downloading Packages:
Running rpm_check_debug
error: rpmdbNextIterator: skipping h# 1255 Header V3 RSA/SHA256 signature: BAD, key ID d22e77f2
error: rpmdbNextIterator: skipping h# 1061 Header V3 RSA/SHA256 signature: BAD, key ID d22e77f2
error: rpmdbNextIterator: skipping h# 432 Header V3 RSA/SHA256 signature: BAD, key ID d22e77f2
error: rpmdbNextIterator: skipping h# 1307 Header V3 RSA/SHA256 signature: BAD, key ID d22e77f2
error: rpmdbNextIterator: skipping h# 107 Header V3 RSA/SHA256 signature: BAD, key ID d22e77f2
error: rpmdbNextIterator: skipping h# 190 Header V3 RSA/SHA256 signature: BAD, key ID d22e77f2
error: rpmdbNextIterator: skipping h# 190 Header V3 RSA/SHA256 signature: BAD, key ID d22e77f2
error: rpmdbNextIterator: skipping h# 190 Header V3 RSA/SHA256 signature: BAD, key ID d22e77f2
error: rpmdbNextIterator: skipping h# 190 Header V3 RSA/SHA256 signature: BAD, key ID d22e77f2
error: rpmdbNextIterator: skipping h# 655 Header V3 RSA/SHA256 signature: BAD, key ID d22e77f2
......
ERROR with rpm_check_debug vs depsolve:
libexif.so.12 is needed by eog-2.26.0-1.fc11.i586
libexif.so.12 is needed by gthumb-2.10.11-2.fc11.i586
libexif.so.12 is needed by libgphoto2-2.4.4-4.fc11.i586
libexif.so.12 is needed by gimp-2:2.6.6-2.fc11.i586
libdw.so.1 is needed by systemtap-0.9.5-1.fc11.i586
libdw.so.1(ELFUTILS_0.122) is needed by systemtap-0.9.5-1.fc11.i586
libdw.so.1(ELFUTILS_0.126) is needed by systemtap-0.9.5-1.fc11.i586
libdw.so.1(ELFUTILS_0.138) is needed by systemtap-0.9.5-1.fc11.i586
obex-data-server is needed by gnome-user-share-2.26.0-1.fc11.i586
obex-data-server is needed by gvfs-obexftp-1.2.1-1.fc11.i586
mythes-en is needed by openoffice.org-langpack-en-1:3.1.0-9.1.fc11.i586
libexif is needed by nautilus-2.26.1-1.fc11.i586
libexif.so.12 is needed by nautilus-2.26.1-1.fc11.i586
libexif.so.12 is needed by gvfs-gphoto2-1.2.1-1.fc11.i586
Complete!


Any advise I appreciate.thanks.

[Demz]

you could stick to Fedora10? :D

have you tried to update rpm an yum an yum-utils its deps from koji? http://koji.fedoraproject.org/koji/index

by doing a rpm -Uvh

[rwx-rwx]

Upgrade for rpm works for me in the same case.

tks.