We have also built good kernels with native GCC-4.6.4/4.7.2/4.8.3 (o32 binaries). So maybe this is an N32-related problems. Huacai On Thu, Feb 26, 2015 at 4:14 PM, Mike Frysinger <vapier@xxxxxxxxxx> wrote: > On 26 Feb 2015 15:47, Huacai Chen wrote: >> Please try the toolchain here: >> http://dev.lemote.com/files/resource/toolchain/cross-compile/ > > thanks, but that's kind of dodgy and kind of defeats what i'm going for ;) > - looks like binary-only > - they're x86_64 binaries (i'm doing everything native here, so mips/n32) > - is pretty old (gcc-4.5 / gcc-4.6 / binutils-2.21 / binutils-2.22) > > that said, i installed Debian/mipsel(o32) into a chroot. building with the same > sources & configs yielded a kernel that seems to be running OK -- i'm on > mainline linux-3.19 now. it too has an old toolchain: binutils-2.22 and > gcc-4.6.4. i guess there's a miscompilation / the kernel sources have problems > with newer gcc versions. > > installing older binutils in Gentoo was pretty easy, but trying to do gcc-4.6 > ran into an ICE while bootstrapping. but at least it'll be easy to rule out > weird assembler/linker problems. > > might try to put together a script to rebuild the objects one-by-one with the > newer compiler to try and narrow down the problem in the source. > -mike
