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不具合が発生しているハードウェアを交換しても EDAC エラーがログに出力されるのはなぜですか?

Solution Verified - Updated -

Issue

  • ハードウェアの問題がなくても EDAC エラーが発生するのはなぜですか?
  • ハードウェアベンダーに連絡してハードウェアを交換しても、以下の EDAC エラーが messages に出力されます。
 kernel:EDAC MC0:CE row 0, channel 1, label "":Corrected error (Branch=0, Channel 1),  DRAM-Bank=1 RD RAS=15544 CAS=696, CE Err=0x800, Syndrome=0x700a7210(Memory or FBD configuration CRC read error))
 kernel:EDAC MC0:CE row 0, channel 1, label "":Corrected error (Branch=0, Channel 1),  DRAM-Bank=1 RD RAS=7546 CAS=956, CE Err=0x800, Syndrome=0x700a7210(Memory or FBD configuration CRC read error))
 kernel:EDAC MC0:CE row 0, channel 1, label "":Corrected error (Branch=0, Channel 1),  DRAM-Bank=3 RD RAS=8780 CAS=632, CE Err=0x800, Syndrome=0x700a7210(Memory or FBD configuration CRC read error))
 kernel:EDAC MC0:CE row 1, channel 1, label "":Corrected error (Branch=0, Channel 1),  DRAM-Bank=2 RD RAS=1680 CAS=2, CE Err=0x800, Syndrome=0x700a7210(Memory or FBD configuration CRC read error))
 kernel:EDAC MC0:CE row 1, channel 1, label "":Corrected error (Branch=0, Channel 1),  DRAM-Bank=3 RD RAS=10 CAS=6, CE Err=0x800, Syndrome=0x700a7210(Memory or FBD configuration CRC read error))
 kernel:EDAC MC0:CE row 0, channel 1, label "":Corrected error (Branch=0, Channel 1),  DRAM-Bank=5 RD RAS=9614 CAS=3052, CE Err=0x800, Syndrome=0x700a7210(Memory or FBD configuration CRC read error))

Environment

  • Red Hat Enterprise Linux (すべてのバージョン)
  • EDAC

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