----- On Oct 7, 2016, at 3:59 PM, Eugene Syromyatnikov evg...@gmail.com wrote:
>> Starting a process give me this error in the log: >> traps: nsrexecd[12162] general protection ip:7f085e4cb960 sp:7f085a4e9278 >> error:0 in libpthread-2.23.so[7f085e4b9000+18000] >> It seems that the kernel is stopping the process because of ... what with a >> signal. > For debugging segmentation faults, i'd recommend installing debuginfo > packages, > enabling core file saving and then checking them out with gdb, usually it > allows > pinpointing problem rather quickly. Is that a segmentation fault ? > Clone is rather comprehensive syscall by means that it is used for several > different tasks. Which arguments are used depends on flags provided, and > strace > prints only arguments actually used (for brevity, i suppose). Syscall > arguments > parsing for clone call is done as follows (clone.c in strace source): > Ah. So clone is called with all arguments but strace shows just the relevant ? Does strace have this behaviour also with other system calls ? >> What means the return code 13025 ? I didn't find anything about it in the >> net. >> Is there s.th. where i can get further information ? > On success, clone returns ID of the child process to the parent. You can check > it out in the "RETURN VALUE" section of the manual. > Sorry, i didn't read completely. Because the return code was != 0, i thought it's an error code. >> I installed the kernel sources and searched for a file like clone.h or >> clone.c, >> but didn't find anything. > Please check out kernel/fork.c file in kernel tree, it contains > SYSCALL_DEFINE[56](clone, ...), which calls _do_fork(). > I installed the debian-kerbel via apt. But it didn't install it completely, just downloaded a tar which i need to extract manually. Why do i have a package management ? Bernd Helmholtz Zentrum Muenchen Deutsches Forschungszentrum fuer Gesundheit und Umwelt (GmbH) Ingolstaedter Landstr. 1 85764 Neuherberg www.helmholtz-muenchen.de Aufsichtsratsvorsitzende: MinDir'in Baerbel Brumme-Bothe Geschaeftsfuehrer: Prof. Dr. Guenther Wess, Dr. Alfons Enhsen Registergericht: Amtsgericht Muenchen HRB 6466 USt-IdNr: DE 129521671 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Strace-devel mailing list Strace-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/strace-devel
