N440报错

各位：
  有台N440自检时报如下错误：
Running diagnostic script obdiag/normal

Testing /pci@1f,700000/network@1
Testing /pci@1e,600000/ide@d

   ERROR   : IDE device did not reset, busy bit not set
   DEVICE  : /pci@1e,600000/ide@d
   SUBTEST : selftest:reset&check-diag
   MACHINE : Netra 440
   SERIAL# : 65844565
   DATE    : 10/08/2010 04:42:52  GMT
   CONTR0LS: diag-level=min test-args=

Error: /pci@1e,600000/ide@d selftest failed, return code = 1
Testing /pci@1e,600000/isa@7/flashprom@2,0
Testing /pci@1e,600000/isa@7/serial@0,2e8
Testing /pci@1e,600000/isa@7/serial@0,3f8
Testing /pci@1e,600000/isa@7/rtc@0,70
Testing /pci@1e,600000/isa@7/i2c@0,320:tests={[email protected],[email protected],[email protected],[email protected]}
Testing /pci@1e,600000/isa@7/i2c@0,320:tests={[email protected]}
Testing /pci@1e,600000/isa@7/i2c@0,320:tests={[email protected]}

   WARNING : Device temperature-sensor@0,9c not found in device tree
   DEVICE  : /pci@1e,600000/isa@7/i2c@0,320:tests={[email protected]}

Testing /pci@1c,600000/network@2
Testing /pci@1f,700000/scsi@2,1
Testing /pci@1f,700000/scsi@2


ERROR: OpenBoot Diagnostics failed.
                                                                     
ERROR: OpenBoot Diagnostics failed
WARNING: Device /pci@1e,600000/ide@d already marked with 'status' == fail

其实自检已经通过了0>      POST Passed all devices.
0>
0>POST: Return to OBP.

这个会是什么问题？

POST测的是CPU和内存，obdiag测的是I/O

东方蜘蛛是我偶像！膜拜了。