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ATTO 7500N reboot with error "ECC Single-bit error detected"

Last Updated:

Applies to

  • Fabric MetroCluster
  • ATTO 7500N Fibrebridge


  • Bridge Unexpected Reboot
  • The following is reported in the bridge event log
CRIT ECC Single-bit error detected. D:2 S:00000201 A:00dd9fd7
INFO Exception occurred. Possible redundant preceding log entries
CRIT Software Interrupt Exception Detected (SWI) (001P)
CRIT Instr Address    = 001d99c4
CRIT SWI Number       = 0x000081
INFO Software Interrupt
INFO 01/08/2023 08:07:37
INFO ST[006b9600-006c1600] | FP[006c14e4] CPSR[60000193]
INFO 0014bac4<-002651f0 | SP[006c14e8] FP[006c1554]
INFO 002650c4<-00000584 | SP[006c1558] FP[006c5490]
INFO FP out of range [6c1554]
INFO Trying FP = 6c15a4 [6c15fc]
INFO 001d9954<-00191fdc | SP[006c15a8] FP[006c15fc]
INFO 00191b98<-00191b94 | SP[006c1600] FP[00000000]
INFO Exception occurred. Possible redundant preceding log entries
INFO Reset.  HW Code: Software Warm
INFO Reset.  Reason: Critical Hardware Error Detected


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