Async memory fault on Sparc 5 running SunOS 4.1.3_U1

From: Asif.Ahmad@marconiselenia.com
Date: Wed Apr 09 2003 - 05:45:15 EDT

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Hello all

I am running SunOS 4.1.3_U1 on Sun Sparc 5s. Time to time I get the Async Memory fault ; Panic on CPU 0 and machine reboots.

I have install the jumbo patch 101508-15 and 101592-09 and replaced the memory SIMMS number of times in various machines
but I am still getting the fault.

Initially I use to get Watchdog error and I installed the patch 101508-15 and 101592-09 for that and since than I never had a watchdog reset.
But async memory fault is still a big problem.

Can some one get me out this jigsaw. Many thanks:

The early messages for Async memory fault:

      vmunix: Async memory fault mfsr=0x81802860 mfar=0xbb75598
            vmunix: panic on cpu 0: async memory fault
       vmunix: syncing file systems... VAC ENABLED
      .....
      ......
      ......
      and machine reboots

Asif
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