Messages in this thread | | | Date | Mon, 2 Jun 2008 11:46:37 -0700 (PDT) | From | Doug Thompson <> | Subject | Re: EDAC i5000 MC0: NON-FATAL ERRORS |
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--- Jack Howarth <howarth@bromo.msbb.uc.edu> wrote:
> I am seeing the following errors on a Fedora 7 x86_64 linux box, > running on a Tyan Tempest i5000XL motherboard, after upgrading from > kernel-2.6.25-14.fc9.x86_64 to kernel-2.6.25.3-18.fc9.x86_64... > > May 25 04:30:56 fourier kernel: EDAC i5000 MC0: NON-FATAL ERRORS Found!!! 1st NON-FATAL Err Reg= > 0x10000 > May 25 04:30:56 fourier kernel: EDAC MC0: CE row 1, channel 0, label "": (Branch=0 DRAM-Bank=3 > RDWR=Read RAS=14339 CAS=672, CE Err=0x10000) > > These messages occur about once an hour and are always for the same DRAM-Bank. > I've not been able to find any memory errors when running memtest86 with or > without ECC checking being enabled. Are there any known issues with the > EDAC support in the kernel that might cause false positives like this? > The errors are always marked as non-fatal and are for reads. Also, does > anyone know how this code numbers ram banks? Is the first ram bank considered > 0 or 1 by this code? Thanks in advance for any clarifications. > Jack
Yes, it is a known false positive bug.
The hardware has some type of error which it calls NON-FATAL, and the driver is TOO verbose in reporting that event. I am working on a patch to quiet that down
thanks
doug t
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W1DUG
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