Re^4: Coro + LWP freezes (*trace)

in reply to Re^3: Coro + LWP freezes (*trace)
in thread Coro + LWP freezes

This is debug by strace last calls:

rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
rt_sigaction(SIGCHLD, NULL, {SIG_DFL, [], 0}, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
nanosleep({1211417888, 0}, {1211354002, 168413065}) = ? ERESTART_RESTA
+RTBLOCK (To be restarted)
--- SIGWINCH (Window changed) @ 0 (0) ---
restart_syscall(<... resuming interrupted call ...>) = ? ERESTART_REST
+ARTBLOCK (To be restarted)
--- SIGWINCH (Window changed) @ 0 (0) ---
restart_syscall(<... resuming interrupted call ...>
[download]

What does that mean? What to look for? Something with thread sor ...? There is a usleep command after my coro-using function to sleep, and as i see there's a work after thread execution and then there's a usleep, so it's the last in trace (nanosleep ...)

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