portage upgrade today ;)

[ebuild     U ] sys-kernel/linux-headers-2.6.11-r5 [2.6.11-r3] 253 kB
[ebuild  NS   ] sys-kernel/gentoo-sources-2.6.16-r3  USE="-build -doc -symlink" 181 kB
[ebuild     U ] media-sound/alsa-headers-1.0.11 [1.0.11_rc5] 2,288 kB
[ebuild     U ] media-libs/alsa-lib-1.0.11 [1.0.11_rc5] USE="-doc -jack" 689 kB
[ebuild     U ] media-sound/alsa-utils-1.0.11 [1.0.11_rc5-r1] USE="-nls" 966 kB
[ebuild     U ] app-office/dia-0.94-r5 [0.94-r4] USE="png zlib -debug -gnome -python -static" 0 kB
[ebuild     U ] x11-misc/xorg-cf-files-1.0.1-r2 [1.0.1-r1] USE="-debug" 0 kB
[ebuild     U ] app-arch/unrar-3.6.2 [3.5.4] 121 kB
[ebuild     U ] x11-apps/xinit-1.0.2-r2 [1.0.2] USE="-debug" 0 kB
[ebuild     U ] media-libs/libmpeg3-1.5.2-r3 [1.5.2-r2] USE="mmx" 0 kB
[ebuild     U ] sys-apps/slocate-3.1-r1 [3.1] 0 kB
[ebuild     U ] media-sound/alsa-driver-1.0.11 [1.0.11_rc5] USE="oss -debug -doc" 0 kB
[ebuild  N    ] net-libs/gecko-sdk-1.7.12-r2  USE="crypt ssl truetype -debug -gnome -ipv6 -java -ldap -mozcalendar -mozdevelop -moznocompose -moznoirc -moznomail -moznoxft -mozsvg -postgres -xinerama -xprint" 29,838 kB
[ebuild     U ] dev-util/eclipse-sdk-3.1.2-r2 [3.1.2-r1] USE="-atk -gnome -jikes -nodoc% -nogecko-sdk% -nosrc%" 0 kB

alsa-driver の install で patch に失敗する。試しに kernel built-in を使ってみる。大丈夫っぽいな。
と言うことで alsa-driver を unmerge しておく。