On 04.01.24 19:34, berndmoessne...@gmail.com wrote:
@@ -490,7 +491,9 @@ static int rtems_flashdev_do_init(
    void ( *destroy )( rtems_flashdev *flash )
  )
  {
-  rtems_recursive_mutex_init( &flash->mutex, "RTEMS_FLASHDEV Flash" );
+  char mtx_name[19];
+  sprintf(mtx_name, "FDEV_MTX_%08x", (unsigned int) flash);
+  rtems_recursive_mutex_init( &flash->mutex, (const char*) &mtx_name);

The mutex name must exist throughout the life-time of the mutex object. So, here you can't use a name on a thread stack.

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