Hi, Thank you for the help.
On Fri, 06 Nov 2020 at 11:05, Ludovic Courtès <l...@gnu.org> wrote: >> $ ./bin/R >> : unsupported Guix execution engine; ignoring > > ‘GUIX_EXECUTION_ENGINE’ is set to the empty string. Yes, sorry. I have tried another one than the default and have been lazy to open the manual and check which one is the default. The result is the same with the default. > Can you try ‘strace -f -s 500 -o log ./bin/R’ and send the tail of the > ‘log’ file? --8<---------------cut here---------------start------------->8--- $ strace -f -s 500 -o log ./bin/R proot error: ptrace(TRACEME): Operation not permitted proot error: execve("/gnu/store/nqqhaz59gdr5q6mb6mw9dd8jk133rna2-r-minimal-4.0.3/bin/R"): Operation not permitted proot info: possible causes: * the program is a script but its interpreter (eg. /bin/sh) was not found; * the program is an ELF but its interpreter (eg. ld-linux.so) was not found; * the program is a foreign binary but qemu was not specified; * qemu does not work correctly (if specified); * the loader was not found or doesn't work. fatal error: see `proot --help`. proot error: can't chmod '/tmp/proot-12809-PB78qJ': No such file or directory --8<---------------cut here---------------end--------------->8--- and then the tail of ’log’: --8<---------------cut here---------------start------------->8--- [..] 12809 wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 1}], __WALL, NULL) = 12810 12809 ptrace(PTRACE_SYSCALL, 12810, 0, SIG_0) = -1 ESRCH (No such process) 12809 wait4(-1, 0x7ffe63a965cc, __WALL, NULL) = -1 ECHILD (No child processes) 12809 stat(".", {st_mode=S_IFDIR|0775, st_size=3864, ...}) = 0 12809 stat("/data2/tmp/foo", {st_mode=S_IFDIR|0775, st_size=3864, ...}) = 0 12809 chmod("/tmp/proot-12809-PB78qJ", 0700) = -1 ENOENT (No such file or directory) 12809 write(2, "proot error: ", 13) = 13 12809 write(2, "can't chmod '/tmp/proot-12809-PB78qJ'", 37) = 37 12809 write(2, ": ", 2) = 2 12809 write(2, "No such file or directory\n", 26) = 26 12809 chdir("/data2/tmp/foo") = 0 12809 exit_group(1) = ? --8<---------------cut here---------------end--------------->8--- >> The cluster machine is an old kernel: >> >> HEAD$ uname -a >> Linux HEAD 2.6.32-573.8.1.el6.x86_64 #1 SMP Tue Nov 10 18:01:38 UTC 2015 >> x86_64 x86_64 x86_64 GNU/Linux > > Our libc is built with ‘--enable-kernel=3.2.0’ so it’s not clear whether > this can work at all (this ‘2.6’ kernel certainly contains stuff > backported from 3.x though, who knows.) Ok. I will be annoyed if it does not work… All the best, simon