Nikita Karetnikov skribis: >> So, did strace display the syscall arguments? (Apparently not, since it >> would display an hexadecimal address for mmap.) > > No. > >> It’s worth trying. The GDB installed on gcc49.fsffrance.org doesn’t >> support N64 (same symptom as reported on the web page you linked.) > > It didn't work out [1]. Argh. > Also, I tried to run > > $ ./pre-inst-env guix build --no-substitutes -K --target=mips64el-linux-gnuabi64 bootstrap-tarballs > > and got the same error [2] as before. 'objdump' shows the same output > [3]. [...] > [1] http://sourceware.org/ml/gdb/2013-07/msg00037.html > [2] https://lists.gnu.org/archive/html/bug-guix/2013-03/msg00155.html > [3] https://lists.gnu.org/archive/html/bug-guix/2013-03/msg00156.html Then I think this problem occurs specifically when cross-building from i686 to mips64el/N64. At least it definitely works from x86_64 [0]. Ludo’. [0] http://hydra.gnu.org:3000/job/gnu/master/gcc-cross-mips64el-linux-gnuabi64-4.7.3