vxworks:page fault
请求大侠帮忙!
在调试vxworks程序的过程中,总是会出现错误信息:page fault
我的环境是:P3的CPU,Tornado2.2,Vxworks5.5
调试信息显示为:
Exception number 14: Task: 0x1fb34078 (tDbgTask)
Page Fault
Program Counter: 0x0236244a
Status Register: 0x00010186
Error Code : 0x00000002
23b3a99 guidemo +e9 : InitGUI ([eeeeeeee, eeeeeeee, eeeeeeee, 1fe7ed68, eeeeeeee])
239d530 InitGUI +60 : InitGAL ([23b3940, 23b3936, 1fb34048, 23b3a9e, eeeeeeee])
235f152 InitGAL +72 : InitWindml (23b720c, 0, 0, 0)
23641f2 InitWindml +92 : i81xDevInit (1db0e510, 10, 0, 0)
2363efc i81xDevInit +9c : i81xGartInitialize (1db0e510, 0, 1000000, 1fb33fb4)
2362730 i81xGartInitialize+40 : excStub ([&InitWindml, 0, 0, 0, 400])
336b36 excStub +46 : excExcHandle (e, 1fb33f40, 1fb33f18, 1)
330e98 excExcHandle +38 : vxExcHookWrapper (e, 1fb33f40, 1fb33f18, 1fb33ea8)
329b4c vxExcHookWrapper+6c : wdbExcHook (3, 1fb34078, e, 1fb33f40, 1fb33f18, e, 1fb33e70
, 329af5)
3e771e wdbExcHook +9e : wdbEventPost ([&wdbExcEvtNode, 1fb33ecc, 1fb33e30, 3e7712, &
wdbExcHook])
3e50a7 wdbEventPost +77 : wdbNotifyHost ([0, 3, 1fb34078, 1fb33e24, 3f6963])
3e3996 wdbNotifyHost +26 : udpCancel ([0, 0, 1fb33de0, 3e3984, 0])
3e70e8 udpCancel +18 : vxSemGive ([1fb5f0ac, 206, &taskSwitchTable, 1fb5eeb0, 1fb33
dd8])
Break at 0x0032a612: vxSemGive + 0x12 Task: 0x1fb34078 (tDbgTask)
用tshell检查地址结果为:
-> lkAddr 0x00010186
wrs_kernel_text_start 0x00308000 text (vxWorks)
_sysInit 0x00308000 text (vxWorks)
_wrs_kernel_text_start 0x00308000 text (vxWorks)
sysInit 0x00308000 text (vxWorks)
sysInByte 0x00308080 text (vxWorks)
sysInByte0 0x0030808c text (vxWorks)
sysInWord 0x00308090 text (vxWorks)
sysInWord0 0x0030809d text (vxWorks)
sysInLong 0x003080a0 text (vxWorks)
sysInLong0 0x003080ac text (vxWorks)
sysOutByte 0x003080b0 text (vxWorks)
sysOutByte0 0x003080bb text (vxWorks)
value = 0 = 0x0
我感觉好像是进行了非法地址的读写,但是不知道原因在哪,怎么查找改正
请各位大侠多多指教!!