smokey's fork tests hangs?

Lange Norbert norbert.lange at
Thu Mar 7 15:55:41 CET 2019


I have problems with the fork tests, they both hang for me.

# xeno smokey --run=11 --verbose=2

# xeno smokey --run=20 --verbose=2
no leak withthread
no leak withmutex
no leak withcond
no leak withsem
no leak withnamed sem
no leak withtimer
no leak withmq

When started under gdb, the parent is running into waitpid,
The child is stuck at an innocent locking snippet [1].

#0  __lll_lock_wait_private ()
    at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:63
#1  0x00007ffff7ed74de in __GI___register_atfork (
    prepare=0x7ffff7f5edc0 <atfork_lock>, prepare at entry=0x0,
    parent=parent at entry=0x0,
    child=child at entry=0x7ffff7f9f4e0 <cobalt_fork_handler>,
    dso_handle=0x7ffff7de0e5b <__lll_lock_wait_private+27>)
    at register-atfork.c:40
#2  0x00007ffff7faca9d in __pthread_atfork (prepare=prepare at entry=0x0,
    parent=parent at entry=0x0,
    child=child at entry=0x7ffff7f9f4e0 <cobalt_fork_handler>)
    at pthread_atfork.c:51
#3  0x00007ffff7f9f307 in __cobalt_init ()
    at /home/lano/buildroot/build/xenomai/lib/cobalt/init.c:212
#4  cobalt_init () at /home/lano/buildroot/build/xenomai/lib/cobalt/init.c:252
#5  0x00007ffff7f9f4fc in cobalt_fork_handler ()
    at /home/lano/buildroot/build/xenomai/lib/cobalt/init.c:192
#6  0x00007ffff7ed7898 in __run_fork_handlers (who=who at entry=atfork_run_child)
    at register-atfork.c:134
#7  0x00007ffff7e9b04a in __libc_fork () at ../sysdeps/nptl/fork.c:137
#8  0x0000000000408d0b in ?? ()
#9  0x00000000004051d1 in main ()

[1] -;a=blob;f=sysdeps/unix/sysv/linux/x86_64/lowlevellock.S;h=71dd740202b1d6501a2ffd929aa99cbd99a019ef;hb=1e5c5303a522764d7e9d2302a60e4a32cdb902f1

Mit besten Grüßen / Kind regards


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