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"Relocation Failed" Possible during System Boot

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by Jim Hawkins, MPE/iX Lab

With patch MPEMXQ3 (or superseding patches and Power Patches) a "PDC relocation failed" message may appear on the system console soon after performing an ISL> START on A-Class and N-Class systems. After the message appears, the system boot-up will proceed without interruption and the system will function normally.

Example console output from A-Class: 

  ISL> start norecovery

  MPE/iX launch facility
  Scanning PCI BUS 0  +**.++..........................
  Scanning PCI BUS 10 +...............................
  Scanning PCI BUS 20 +...............................
  Scanning PCI BUS 30 +...............................
  Initialize_genesis - Ver bld1: <<pci 2.1601>> Initialize_genesis -
  Relocating pdc...
  Initialize_genesis - PDC relocation failed: mm_status = 0xffd80065,
  pdc_status = 0xfffffff6, old pdc = 0x2f1f000, new pdc = 0x2f1f000

  TUE, MAY 23, 2006, 3:46:45 PM (y/n)?
If this message appears the changes made in MPEMXQ3 will not take effect on your system. This message typically appears only after a "TC" reboot. After an "RS" reboot the PDC relocation should always be successful. Therefore those wishing to enable MPEMXQ3 may do so by performing an RS Reboot.



Customers Currently using the HAFO Product on 6.5, 7.0 and 7.5

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