Bug#1001286: kernel: i2c i2c-0: Systems with more than 4 memory slots not supported yet, not instantiating SPD

["Al Ma" <alma0@ro.ru>]

severity 1001286 important

thanks

Same restriction here, namely for two stationary computers with Asus WS C422 PRO/SE with Intel® Xeon® W-2235 CPU @ 3.80GHz (motherboard specification: https://www.asus.com/de/motherboards-components/motherboards/workstation/ws-c422-pro-se/techspec ). 

Journal messages:

Jul 22 22:35:22 AnonymizedMachineName kernel: i801_smbus 0000:00:1f.4: SPD Write Disable is set

Jul 22 22:35:22 AnonymizedMachineName kernel: i801_smbus 0000:00:1f.4: SMBus using PCI interrupt

Jul 22 22:35:22 AnonymizedMachineName kernel: pci 0000:00:1f.1: [8086:a2a0] type 00 class 0x058000

Jul 22 22:35:22 AnonymizedMachineName kernel: pci 0000:00:1f.1: reg 0x10: [mem 0xfd000000-0xfdffffff 64bit]

Jul 22 22:35:22 AnonymizedMachineName kernel: pci 0000:00:1f.1: Adding to iommu group 86

Jul 22 22:35:22 AnonymizedMachineName kernel: dca service started, version 1.12.1

Jul 22 22:35:22 AnonymizedMachineName kernel: pci 0000:00:1f.1: Removing from iommu group 86

Jul 22 22:35:22 AnonymizedMachineName kernel: i2c i2c-0: 2/8 memory slots populated (from DMI)

Jul 22 22:35:22 AnonymizedMachineName kernel: i2c i2c-0: Systems with more than 4 memory slots not supported yet, not instantiating SPD

Raising severity because more than two machines are concerned. Though it's not urgent (or at least not urgent for me in any sense of the word) because currently I don't have that much RAM to populate all the slots, it's important to eventually remove the restriction because I'm quite sure that I am going to add RAM in the future. All my computers so far ended their lives with the maximal amount of RAM.

Gratefully,

AlMa