[RTEMS Project] #4216: prinf/vsnprintf crash when used in interrupt context

[RTEMS trac]

#4216: prinf/vsnprintf crash when used in interrupt context
-----------------------+--------------------
  Reporter:  ceasar    |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  high      |  Milestone:
 Component:  arch/arm  |    Version:  4.11
  Severity:  major     |   Keywords:
Blocked By:            |   Blocking:
-----------------------+--------------------
 RTEMS crashed when i used printf() to print a float/double data in
 interrupt service routine. the test code is simple and shown below:
    float f = 3.131415926;
    printf("logi float: %f\n", f);

 any help would be appreciated.

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Ticket URL: <http://devel.rtems.org/ticket/4216>
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