[root@myhost ~]# pacman -Syu
:: Synchronizing package databases...
core is up to date
extra is up to date
community is up to date
:: Starting full system upgrade...
:: Replace netkit-telnet with core/inetutils? [Y/n]
:: Replace iproute with core/iproute2? [Y/n]
:: Replace atl2 with core/kernel26? [Y/n]
:: Replace wlan-ng26 with core/kernel26? [Y/n]
looking for inter-conflicts...
error: failed to prepare transaction (could not satisfy dependencies)
:: ipw3945: requires kernel26<2.6.26