This document does not apply to Solaris 10 as FMA automates the diagnosis of these type of faults. At no point will the corrupted data actually be used.

It is important to understand that uncorrectable ECC errors can be reported by multiple components.

The above error messaging may change slightly depending on your kernel update patch version.

AFT0 is used for correctable errors, AFT2 and AFT3 can be ignored in almost all cases.

When browsing messages files and observing console output note that is included in these messages, a 1 represents the 'Asynchronous Fault Trap' for uncorrectable and unrecoverable errors.

元_WDU multiple-bit ECC error on 元 cache data access for writeback Error Messaging Notes 元_CPU multiple-bit ECC error on 元 cache data access for copyout 元_UCU multiple-bit ECC error on 元 cache data access for I-cache and -cache request 元_EDU multiple-bit ECC error on 元 cache data access for P-cache and W-cache request 元_TUE multiple-bit ECC error on 元 cache tag access due to core specific tag access 元_TUE_SH multiple-bit ECC error on 元 cache tag access due to copyback, or tag update from foreign Fireplane device, snoop request

WDU uncorrectable E$ ECC event for writeback (victimization)ĬPU uncorrectable E$ ECC event for copyout (snoop request) Four Bits were in errorĮDU:ST uncorrectable E$ ECC event for store mergeĮDU:BLD uncorrectable E$ ECC event for block load SUNW,UltraSPARC-III+: WARNING: EDU Event detected by CPU1 at TL=0, errID 0x. Main memory uncorrectable ECC error detected by CPU3 from the bank of DIMMs in Slot A: J8100 J8101 J8201 J8200 Uncorrectable ECC error on from a read from system memory Example error messages which may have been reported are as follows:Ī.The system may be described as crashed, gone down, paniced, panic'd, panic'ed, panicked, rebooted, or received CPU or memory errors.The system may have received UE, ECC errors, or recoverable memory errors.The system may have unexpectedly rebooted and cause is unknown.Your system may have one or more of the following symptoms: This document addresses uncorrectable CPU/Memory errors reported on systems running Solaris 8 and Solaris 9.

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Solar fire v9 error message