Hi Philippe,
here are some of the results:
> Please check the following assertions on your setup:
>
> - does enabling the debug option for the Xenomai nucleus cause Xenomai
> warnings to appear (messages about forced switches of the crashtest task
> to secondary mode), even over 2.6.17 with the very same test code?
Yes, on 2.6.17 I get the line
Xenomai: Switching crashtest to secondary mode after exception #14 from
user-space at 0xb7ff2c7c (pid 1616)
On 2.6.19.1, the system freezes, i.e. I cannot see any message.
>
> - does enabling CONFIG_DEBUG_SPINLOCK and CONFIG_DEBUG_SPINLOCK_SLEEP in
> the kernel hacking section cause Linux warnings to appear while the test
> code runs over 2.6.19, before the box crashes?
I am about to recompile the kernel, this takes a while...
> - does the bug still occurs after the call to the system() routine has
> been replaced by the following frag?
>
> if (vfork() == 0)
> execlp("/bin/ls", "ls", "-l", NULL);
> else
> wait(NULL);
>
I have replaced the system() call by your code fragement. And yes, this works!
No freeze!
Regards
Mathias
--
Mathias Koehrer
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