Digital Equipment AlphaServer 1200, Руководство по обслуживанию

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3.2 Troubleshooting Power Problems............................................................. 3-4
3.3 Running Diagnostics — Test Command .................................................. 3-6
3.4 Releasing Secure Mode............................................................................ 3-7
3.5 Testing an Entire System ......................................................................... 3-8
3.5.1 Testing Memory.............................................................................. 3-10
3.5.2 Testing PCI ..................................................................................... 3-12
3.6 Other Useful Console Commands .......................................................... 3-14
Chapter 4 Error Logs
4.1 Using Error Logs ..................................................................................... 4-2
4.1.1 Hard Errors ....................................................................................... 4-4
4.1.2 Soft Errors ........................................................................................ 4-4
4.1.3 Error Log Events............................................................................... 4-5
4.2 Using DECevent ...................................................................................... 4-6
4.2.1 Translating Event Files ..................................................................... 4-7
4.2.2 Filtering Events................................................................................. 4-8
4.2.3 Selecting Alternative Reports.......................................................... 4-10
4.3 Error Log Examples and Analysis.......................................................... 4-11
4.3.1 MCHK 670 CPU-Detected Failure .................................................. 4-11
4.3.2 MCHK 670 CPU and IOD-Detected Failure.................................... 4-16
4.3.3 MCHK 670 Read Dirty CPU-Detected Failure ................................ 4-21
4.3.4 MCHK 660 IOD-Detected Failure (System Bus Error) .................... 4-27
4.3.5 MCHK 660 IOD-Detected Failure (PCI Error) ................................ 4-32
4.3.6 MCHK 630 Correctable CPU Error................................................. 4-41
4.3.7 MCHK 620 Correctable Error ......................................................... 4-44
4.4 Troubleshooting IOD-Detected Errors.................................................... 4-47
4.4.1 System Bus ECC Error.................................................................... 4-48
4.4.2 System Bus Nonexistent Address Error ........................................... 4-49
4.4.3 System Bus Address Parity Error .................................................... 4-50
4.4.4 PIO Buffer Overflow Error (PIO_OVFL) ........................................ 4-51
4.4.5 Page Table Entry Invalid Error........................................................ 4-52
4.4.6 PCI Master Abort ............................................................................ 4-52
4.4.7 PCI System Error ............................................................................ 4-52
4.4.8 PCI Parity Error .............................................................................. 4-52
4.4.9 Broken Memory .............................................................................. 4-53
4.4.10 Command Codes............................................................................. 4-55
4.4.11 Node IDs......................................................................................... 4-56
4.5 Double Error Halts and Machine Checks While in PAL Mode ............... 4-57
4.5.1 PALcode Overview......................................................................... 4-57
4.5.2 Double Error Halt ........................................................................... 4-58
4.5.3 Machine Checks While in PAL ....................................................... 4-58