http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59733
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Jakub Jelinek from comment #4) > BTW, are you sure you don't have some ulimit imposed limits (say on virtual > address space)? [hjl@gnu-mic-2 gcc]$ ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 192280 max locked memory (kbytes, -l) 64 max memory size (kbytes, -m) unlimited open files (-n) 4096 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 8192 cpu time (seconds, -t) unlimited max user processes (-u) 192280 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited [hjl@gnu-mic-2 gcc]$ > Can you strace it (perhaps just strace -o log -e mmap,munmap )? I will do it.