If I compile nvidia-kernel-1.0.7167-r1 with gcc-3.4.3-20050110 I can not insert it. I get "Invalid module format". If i switch to gcc-3.3.5 and reemerge nvidia-kernel it works again. Reproducible: Always Steps to Reproduce: 1. * Switching to i686-pc-linux-gnu-3.4.3-20050110 compiler... 2. emerge =nvidia-kernel-1.0.7167-r1 3. modprobe nvidia Actual Results: Invalid module format Expected Results: It should have been inserted. teh root # emerge info Portage 2.0.51.19 (default-linux/x86/2004.3, gcc-3.3.5, glibc-2.3.4.20041102-r1, 2.6.11-mm4 i686) ================================================================= System uname: 2.6.11-mm4 i686 AMD Sempron(TM) 2800+ Gentoo Base System version 1.4.16 Python: dev-lang/python-2.3.4-r1 [2.3.4 (#1, Mar 19 2005, 13:45:51)] dev-lang/python: 2.3.4-r1 sys-devel/autoconf: 2.13, 2.59-r6 sys-devel/automake: 1.4_p6, 1.7.9-r1, 1.8.5-r3, 1.6.3, 1.9.4, 1.5 sys-devel/binutils: 2.15.92.0.2-r1 sys-devel/libtool: 1.5.10-r4 virtual/os-headers: 2.4.22-r1 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CFLAGS="-march=athlon-xp -O3 -pipe -fomit-frame-pointer -fprefetch-loop-arrays -ffast-math -fforce-addr -falign-functions=4 -funroll-loops" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3/share/config /usr/lib/X11/xkb /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-march=athlon-xp -O3 -pipe -fomit-frame-pointer -fprefetch-loop-arrays -ffast-math -fforce-addr -falign-functions=4 -funroll-loops" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs autoconfig ccache distlocks sandbox sfperms" GENTOO_MIRRORS="http://ds.thn.htu.se/linux/gentoo http://mirror.pudas.net/gentoo" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="x86 3dnow X acpi alsa apm avi bitmap-fonts crypt cups curl emboss fam font-server foomaticdb gdbm gif gnome gtk gtk2 gtlk imlib jpeg libg++ libwww mad mikmod mp3 mpeg ncurses nls nvidia oggvorbis opengl oss pam pdflib perl png python quicktime readline real sdl see2 sse ssl tcpd truetype truetype-fonts type1-fonts xml2 xv xvid zlib" Unset: ASFLAGS, CBUILD, CTARGET, LANG, LC_ALL, LDFLAGS
You need to build the nvidia module with the same compiler that you used to build your kernel, afaik. *** This bug has been marked as a duplicate of 85094 ***