_Scheduler_priority_Ready_queue_first assert fail

[Jython]

HI, ALL, specially Huber!
  when i press interrupt key, i got error about scheduler, how to solve the
problem?


[09:42:04.496]ÊÕ¡û¡ôthe console count 3
create timer ok
interrupt  ok

[09:42:05.001]ÊÕ¡û¡ô1s ticks 100

[09:42:09.996]ÊÕ¡û¡ôstack check 0
Stack usage by thread
    ID      NAME    LOW          HIGH     CURRENT     AVAILABLE     USED
0x09010001  IDLE 0020006BC0 - 0020007BBF 0020007B60      4080   Unavailable
0x0A010001  UI1  0020007BE8 - 002000CBE7 002000CB80     20464   Unavailable
0       0       0       0       0       0       0       0       0
0       before while

[09:42:20.974]ÊÕ¡û¡ôkey pressed

[09:42:21.209]ÊÕ¡û¡ôassertion "first != _Chain_Tail( &ready_queues[ index ]
)" failed: file
"../../cpukit/../../../stm32f4/lib/include/rtems/score/schedulerpriorityimpl.h",
line 166, function: _Scheduler_priority_Ready_queue_first
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