Re: “guix pack -RR r“ fails?

[zimoun]

Hi,

Thank you for the help.


On Fri, 06 Nov 2020 at 11:05, Ludovic Courtès <ludo@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