Request for explanation of error message

[Bret Busby]

On 30/07/2019, Oliver Grawert <ogra at ubuntu.com> wrote:
> hi,
> Am Dienstag, den 30.07.2019, 06:21 +0800 schrieb Bret Busby:
>> On 30/07/2019, Oliver Grawert <ogra at ubuntu.com> wrote:
>> >
>> > well, this points to:
>> >
>> > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1521173
>> >
>> > which has a lot of debug info and potential things to try ...
>> >
>> I was previously referred to an "ask ubuntu" forum web page with a
>> question and solutions relating to this, and, I changed the two lines
>> in the grub file, to insert
>> pci=nomsi
>> then, whilst that stopped the growth of x-0.log , it did not stop the
>> error repeating in dmesg output, so I replaced the nomsi with noaer,
>> as was suggested, but, again, the same; the
>> x-0.log file appears to have stopped growing, but, the error message
>> is still incessantly repeating in dmesg.
>
> as i said, there is more in that bug (worth reading it) ...
>
> start with:
>
> lspci -vt
>
> which should print a tree of your pci devices, so you can potentially
> see what's the attached device causing the controller to go wild,

Thank you for that.

"
bret at bret-MD34045-2521:~$ lspci -vt
-[0000:00]-+-00.0  Intel Corporation 8th Gen Core Processor Host
Bridge/DRAM Registers
           +-02.0  Intel Corporation 8th Gen Core Processor Gaussian
Mixture Model
           +-08.0  Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 /
6th/7th Gen Core Processor Gaussian Mixture Model
           +-14.0  Intel Corporation 200 Series/Z370 Chipset Family
USB 3.0 xHCI Controller
           +-14.2  Intel Corporation 200 Series PCH Thermal Subsystem
           +-15.0  Intel Corporation 200 Series PCH Serial IO I2C Controller #0
           +-15.1  Intel Corporation 200 Series PCH Serial IO I2C Controller #1
           +-16.0  Intel Corporation 200 Series PCH CSME HECI #1
           +-17.0  Intel Corporation SATA Controller [RAID mode]
           +-1c.0-[01]----00.0  Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
           +-1d.0-[02]----00.0  Intel Corporation Wireless 3165
           +-1e.0  Intel Corporation 200 Series/Z370 Chipset Family
Serial IO UART Controller #0
           +-1f.0  Intel Corporation Z370 Chipset LPC/eSPI Controller
           +-1f.2  Intel Corporation 200 Series/Z370 Chipset Family
Power Management Controller
           +-1f.3  Intel Corporation 200 Series PCH HD Audio
           \-1f.4  Intel Corporation 200 Series/Z370 Chipset Family
SMBus Controller
bret at bret-MD34045-2521:~$
"

So, I assume that the fault involves the WiFi thingy.



> it
> talks about various BIOS options you can try ... and indeed you could
> also try to update your BIOS to a new version of the mainboard
> manufacturer ...
>

I have never updated a BIOS on a system.

How do I do that?

> ciao
> 	oli


-- 
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

....................................................