Daniel Simon wrote:
Hello,
I am trying xenomai on a Compaq N600c laptop, kernel 2.6.15 patched
against xenomai-2.1.0 (config file attached).
Most tests run succesfully (i.e., /usr/xenomai/testsuite/* and
xenomai/ksrc/skins/posix/demos/accuracy*)
However, (and after complaining about libnative.so.0 and running
ldconfig) the satch test found in $xenomai/ksrc/skins/native/demos/
immediately hangs the pc... It seems to be definitively locked despite
the watchdog.
What may be the reason?
The warnings when compiling the example give the answer. The patch below
makes this code work; it has been fixed in later releases.
--- xenomai-2.1.0/ksrc/skins/native/demos/satch.c 2006-02-03
23:34:14.000000000 +0100
+++ xenomai-2.1.50/ksrc/skins/native/demos/satch.c 2006-03-19
18:30:34.000000000 +0100
@@ -1,3 +1,4 @@
+#include <sys/mman.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
@@ -88,7 +89,7 @@
int root_thread_init (void)
{
- rt_timer_start(1000000); /* 1ms periodic tick. */
+ rt_timer_set_mode(1000000); /* Forc 1ms periodic tick. */
rt_task_spawn(&consumer_task,
"ConsumerTask",
@@ -120,6 +121,7 @@
int main (int ac, char *av[])
{
+ mlockall(MCL_CURRENT|MCL_FUTURE);
root_thread_init();
pause();
root_thread_exit();
--
Philippe.
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