> -----Original Message----- > From: [email protected] <[email protected]> On > Behalf Of Borislav Petkov > Sent: Friday, August 2, 2019 9:46 AM > To: Ghannam, Yazen <[email protected]> > Cc: [email protected]; [email protected] > Subject: Re: [PATCH v2 0/7] AMD64 EDAC fixes > ... > > So this still has this confusing reporting of unpopulated nodes: > > [ 4.291774] EDAC MC1: Giving out device to module amd64_edac controller > F17h: DEV 0000:00:19.3 (INTERRUPT) > [ 4.292021] EDAC DEBUG: ecc_enabled: Node 2: No enabled UMCs. > [ 4.292231] EDAC amd64: Node 2: DRAM ECC disabled. > [ 4.292405] EDAC amd64: ECC disabled in the BIOS or no ECC capability, > module will not load. > [ 4.292859] EDAC DEBUG: ecc_enabled: Node 3: No enabled UMCs. > [ 4.292963] EDAC amd64: Node 3: DRAM ECC disabled. > [ 4.293063] EDAC amd64: ECC disabled in the BIOS or no ECC capability, > module will not load. > [ 4.293347] AMD64 EDAC driver v3.5.0 > > which needs fixing. >
Yes, I agree. I was planning to do a fix in a separate set. Is that okay? Or should I add it here? > Regardless, still not good enough. The snowy owl box I have here has 16 > GB: > > $ head -n1 /proc/meminfo > MemTotal: 15715328 kB > > and yet > > [ 4.282251] EDAC MC: UMC0 chip selects: > [ 4.282348] EDAC DEBUG: f17_addr_mask_to_cs_size: CS0 DIMM0 AddrMasks: > [ 4.282455] EDAC DEBUG: f17_addr_mask_to_cs_size: Original AddrMask: > 0x1fffffe > [ 4.282592] EDAC DEBUG: f17_addr_mask_to_cs_size: Deinterleaved > AddrMask: 0x1fffffe > [ 4.282732] EDAC DEBUG: f17_addr_mask_to_cs_size: CS1 DIMM0 AddrMasks: > [ 4.282839] EDAC DEBUG: f17_addr_mask_to_cs_size: Original AddrMask: > 0x1fffffe > [ 4.283060] EDAC DEBUG: f17_addr_mask_to_cs_size: Deinterleaved > AddrMask: 0x1fffffe > [ 4.283286] EDAC amd64: MC: 0: 8191MB 1: 8191MB > ^^^^^^^^^^^^^^^^^ > > [ 4.283456] EDAC amd64: MC: 2: 0MB 3: 0MB > > ... > > [ 4.285379] EDAC MC: UMC1 chip selects: > [ 4.285476] EDAC DEBUG: f17_addr_mask_to_cs_size: CS0 DIMM0 AddrMasks: > [ 4.285583] EDAC DEBUG: f17_addr_mask_to_cs_size: Original AddrMask: > 0x1fffffe > [ 4.285721] EDAC DEBUG: f17_addr_mask_to_cs_size: Deinterleaved > AddrMask: 0x1fffffe > [ 4.285860] EDAC DEBUG: f17_addr_mask_to_cs_size: CS1 DIMM0 AddrMasks: > [ 4.285967] EDAC DEBUG: f17_addr_mask_to_cs_size: Original AddrMask: > 0x1fffffe > [ 4.286105] EDAC DEBUG: f17_addr_mask_to_cs_size: Deinterleaved > AddrMask: 0x1fffffe > [ 4.286244] EDAC amd64: MC: 0: 8191MB 1: 8191MB > ^^^^^^^^^^^^^^^^^ > > [ 4.286345] EDAC amd64: MC: 2: 0MB 3: 0MB > > which shows 4 chip selects x 8Gb = 32G. > > So something's still wrong. Before the patchset it says: > > EDAC MC: UMC0 chip selects: > EDAC amd64: MC: 0: 8192MB 1: 0MB > ... > EDAC MC: UMC1 chip selects: > EDAC amd64: MC: 0: 8192MB 1: 0MB > > which is the correct output. > Can you please send me the full kernel log and dmidecode output? Thanks, Yazen

