Re: [LKP] [sb_edac] 50d1bb93672: EDAC sbridge: ECC is disabled. Aborting

Hi, On Fri, Dec 19, 2014 at 01:26:59PM +0800, Huang Ying wrote: > In fact, I am not complaining :-), just FYI. As I said, this may be a > expected behavior because this is a Haswell machine and the Haswell > support was added in this patch. > > > From the above, what looks weird, from EDAC driver PoV, is: > > [ 12.506298] EDAC sbridge: ECC is disabled. Aborting > > This is what I want help from you to confirm whether it is abnormal. > > > Does it used to work before? If so, was there any BIOS setting change? > > Does the memories used on this machine have ECC? > > This is a high-end desktop, there is something as below in dmidecode > output. Is there some other way to tell whether the memories have ECC? > > Handle 0x0018, DMI type 16, 23 bytes > Physical Memory Array > Location: System Board Or Motherboard > Use: System Memory > Error Correction Type: Multi-bit ECC > Maximum Capacity: 128 GB > Error Information Handle: Not Provided > Number Of Devices: 4 > > Handle 0x001A, DMI type 17, 34 bytes > Memory Device > Array Handle: 0x0018 > Error Information Handle: Not Provided > Total Width: 72 bits > Data Width: 72 bits > Size: 8192 MB > Form Factor: DIMM > Set: None > Locator: DIMM_A1 > Bank Locator: CPU 0 > Type: <OUT OF SPEC> > Type Detail: Synchronous > Speed: 1067 MHz > Manufacturer: 0x11 > Serial Number: Unknown > Asset Tag: Unknown > Part Number: Unknown > Rank: 1 > Configured Clock Speed: Unknown unfortunately with this I can't say :( Do you mind checking on EFI or maybe looking at the memory modules' part number?