Thomas,
> That's caused by user space breakage. Looking at the strace you sent:
>
> [pid 932] getpid() = 932
> [pid 932] rt_sigprocmask(SIG_SETMASK, [ALRM RTMIN], NULL, 8) = 0
> [pid 932] gettid() = 932
> [pid 932] rt_sigprocmask(SIG_BLOCK, [ALRM], NULL, 8) = 0
> [pid 932] sched_setscheduler(0, SCHED_FIFO, { 80 }) = 0
> [pid 932] clock_gettime(CLOCK_MONOTONIC, {325, 223507890}) = 0
> [pid 932] rt_sigaction(SIGALRM, {0xb7ed72c0, ~[], 0}, NULL, 8) = 0
> [pid 932] rt_sigprocmask(SIG_BLOCK, NULL, [ALRM RTMIN], 8) = 0
> [pid 932] rt_sigsuspend(~[ALRM RT_1] <unfinished ...>
> [pid 930] <... nanosleep resumed> NULL) = 0
>
> There is neither a call of timer_create() nor of timer_settime(). So the
> posix timer is not setup, which results in the endless wait for the
> signal.
cyclictest runs fine on my SuSE 10.0 host system. But: there are *no* calls
to any timer_* function!!!
Has it to with using TLS?
:~/Projekte/Latency/cyclictest> ldd ./cyclictest
linux-gate.so.1 => (0xffffe000)
libpthread.so.0 => /lib/tls/libpthread.so.0 (0x4003a000)
librt.so.1 => /lib/tls/librt.so.1 (0x4004c000)
libc.so.6 => /lib/tls/libc.so.6 (0x40055000)
/lib/ld-linux.so.2 (0x40000000)
Steven
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