Error messages: "Correctable Non-Mirrored Demand Data ECC"

Peter Matulis peter.matulis at canonical.com
Fri Dec 17 20:53:06 CST 2010


Hi gang.  I have a Precision WorkStation 690 running Ubuntu 10.04.1 and
I am getting a lot of the following messages in my logs:

Dec 17 21:45:31 server-2 kernel: [4362679.480049] EDAC MC0: CE row 2,
channel 3, label "": (Branch=1 DRAM-Bank=1 RDWR=Read RAS=8952 CAS=768,
CE Err=0x2000 (Correctable Non-Mirrored Demand Data ECC))
Dec 17 21:45:38 server-2 kernel: [4362686.480028] EDAC MC0: CE row 2,
channel 3, label "": (Branch=1 DRAM-Bank=1 RDWR=Read RAS=9627 CAS=768,
CE Err=0x2000 (Correctable Non-Mirrored Demand Data ECC))
Dec 17 21:45:40 server-2 kernel: [4362688.480024] EDAC MC0: CE row 2,
channel 3, label "": (Branch=1 DRAM-Bank=1 RDWR=Read RAS=9540 CAS=768,
CE Err=0x2000 (Correctable Non-Mirrored Demand Data ECC))
Dec 17 21:45:43 server-2 kernel: [4362691.482844] EDAC MC0: CE row 2,
channel 3, label "": (Branch=1 DRAM-Bank=1 RDWR=Read RAS=9462 CAS=768,
CE Err=0x2000 (Correctable Non-Mirrored Demand Data ECC))
Dec 17 21:45:49 server-2 kernel: [4362697.480445] EDAC MC0: CE row 2,
channel 3, label "": (Branch=1 DRAM-Bank=1 RDWR=Read RAS=9180 CAS=768,
CE Err=0x2000 (Correctable Non-Mirrored Demand Data ECC))
Dec 17 21:45:58 server-2 kernel: [4362706.480027] EDAC MC0: CE row 2,
channel 3, label "": (Branch=1 DRAM-Bank=1 RDWR=Read RAS=9314 CAS=768,
CE Err=0x2000 (Correctable Non-Mirrored Demand Data ECC))

I have performed a memtest (GRUB menu) and the results are good.  Should
I order a replacement memory module?

-- 
Peter



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