Request for explanation of error message

[Mike Marchywka]

On Tue, Jul 30, 2019 at 12:33:14AM +0800, Bret Busby wrote:
> On 29/07/2019, Oliver Grawert <ogra at ubuntu.com> wrote:
> > hi,
> > Am Montag, den 29.07.2019, 19:48 +0800 schrieb Bret Busby:
> >>
> >> >
> >> The RAM was changed on 15 July, from a Kingston 8GB DDR 4 2400MHz
> >> card, to
> >> "
> >> Corsair 32GB Kit (2x16GB) DDR4 Vengeance LPX
> >> Ryzen Black C16 2400MHz (CMK32GX4M2Z2400C16)
> >> "
> >>
> >> I am including that, here, on the off-chance that that may have
> >> something to do with this.
> >
> > easy to test if you still have the old RAM around ... change it back
> > and see if the errors vanish ;)
> >
> > seemingly this ram is "optimized for AMZ Ryzen CPUs" while it "can also
> > run on Intel X99, 100 und 200 series mainboards"
> >
> > your system is an intel i3 (sadly the HW description doesnt tell what
> > mainboard you have (sudo dmidecode should print that somewhere in its
> > output though), but probably not an X99, 100 or 200 series one) ...
> >
> 
> "
> Handle 0x0002, DMI type 2, 15 bytes
> Base Board Information
>         Manufacturer: MEDION
>         Product Name: Z370H4-EM
>         Version: 1.0
>         Serial Number: ME5100G74501135
>         Asset Tag: Default string
>         Features:
>                 Board is a hosting board
>                 Board is replaceable
>         Location In Chassis: Default string
>         Chassis Handle: 0x0003
>         Type: Motherboard
>         Contained Object Handles: 0
> "
> 
> ?
> 
> Sorry - I thought the information that I had posted, included the
> motherboard model.
> 
> From the above, and,, from
> https://forums.whirlpool.net.au/archive/2702808
> 
> "
> It is an ECS oem mobo. Z370H4-EM
> "
> 
> > the date when you changed the ram matches the point in time when your
> > logs started growing, so try if moving back to the old one helps .. if
> > it does i'd assume your new ram is simply incompatible with that system
> > ...
> >
> > ciao
> > 	oli
> 
> 
> I can't do anything much physically with the computer, and, I am not
> confident to open it and do anything inside it - I am right-handed,
> and, about half of my right hand has been numb for about two months,
> now, and, I do not have much strength in my right hand.
> 
> The new RAM was installed by my local computer shop for me, and, the
> man booted it into BIOS, to determine that the BIOS could see the 32GB
> of RAM, and, as other UbuntuMATE utilities can see the RAM, including
> the System Monitor, I had taken for granted, that the 32GB RAM is
> compatible.
> 
> From the above command;
> 
> "
> Handle 0x003D, DMI type 16, 23 bytes
> Physical Memory Array
>         Location: System Board Or Motherboard
>         Use: System Memory
>         Error Correction Type: None
>         Maximum Capacity: 32 GB
>         Error Information Handle: Not Provided
>         Number Of Devices: 2
> 
> Handle 0x003E, DMI type 17, 40 bytes
> Memory Device
>         Array Handle: 0x003D
>         Error Information Handle: Not Provided
>         Total Width: 64 bits
>         Data Width: 64 bits
>         Size: 16384 MB
>         Form Factor: DIMM
>         Set: None
>         Locator: ChannelA-DIMM0
>         Bank Locator: BANK 0
>         Type: DDR4
>         Type Detail: Synchronous Unbuffered (Unregistered)
>    Speed: 2400 MT/s
>         Manufacturer: 029E
>         Serial Number: 00000000
>         Asset Tag: 9876543210
>         Part Number: CMK32GX4M2Z2400C16
>         Rank: 2
>         Configured Clock Speed: 2400 MT/s
>         Minimum Voltage: 1.2 V
>         Maximum Voltage: 1.2 V
>         Configured Voltage: 1.2 V
> 
> Handle 0x003F, DMI type 17, 40 bytes
> Memory Device
>         Array Handle: 0x003D
>         Error Information Handle: Not Provided
>         Total Width: 64 bits
>         Data Width: 64 bits
>         Size: 16384 MB
>         Form Factor: DIMM
>         Set: None
>         Locator: ChannelB-DIMM0
>         Bank Locator: BANK 2
>         Type: DDR4
>         Type Detail: Synchronous Unbuffered (Unregistered)
>         Speed: 2400 MT/s
>         Manufacturer: 029E
>         Serial Number: 00000000
>         Asset Tag: 9876543210
>         Part Number: CMK32GX4M2Z2400C16
>         Rank: 2
>         Configured Clock Speed: 2400 MT/s
>         Minimum Voltage: 1.2 V
> "
> 
> I assume from that output, that the 32GB RAM is compatible?

Does your bios have a memory test? You could just check that.

How often do you get the PCI errors? Do you check dmesg often?

I'd still try to boot into single user mode and try to trigger
the PCI errors just by starting a few things manually 
like lightdm with debug flag that seems to be the immediate problem.


> 
> -- 
> Bret Busby
> Armadale
> West Australia
> ..............
> 
> "So once you do know what the question actually is,
>  you'll know what the answer means."
> - Deep Thought,
>  Chapter 28 of Book 1 of
>  "The Hitchhiker's Guide to the Galaxy:
>  A Trilogy In Four Parts",
>  written by Douglas Adams,
>  published by Pan Books, 1992
> 
> ....................................................
> 
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-- 

mike marchywka
306 charles cox
canton GA 30115
USA, Earth 
marchywka at hotmail.com
404-788-1216
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