[xubuntu-users] Hardware query

Cody Smith cody.smith at ubuntu.com
Sun Aug 14 04:18:40 UTC 2022


I've seen this before in an older AMD builds before. What fixed it was
adding "amd_iommu=off" to the kernel commandline parameters.

Linux just doesn't like some AMD iommu versions it seems

On Sat, Aug 13, 2022, 6:38 PM MR ZenWiz <mrzenwiz at gmail.com> wrote:

> On Fri, Aug 12, 2022 at 3:40 PM Ralf Mardorf <silver.bullet at zoho.com>
> wrote:
> >
> > Hi,
> >
> > 1. Replace the CMOS thingy's battery or at least reset the CMOS thingy
> > by a shortcut, probably there's a special jumper to do it, read the
> > manual.
> > 2. Disconnect everything that isn't needed for testing purpose. Special
> > PCI cards, USB devices etc.. Reconnect everything that is needed, e.g.
> > plug the RAM bars out and in, SATA cables etc.. Maybe replace cables by
> > new ones.
> > 3. Run Memtest. You can move RAM bars from one to another slot or
> > instead of using several RAM bars, just use one.
> > 4. For testing purpose connect another machine's power supply. The BIOS
> > diagnostics might show that all voltages are ok, but when taking a look
> > by the BIOS diagnostics, there isn't anything that does stress the power
> > supply.
> > 5. Is another graphics at hand? If so try another graphics.
> > 6. Connect another monitor by another cable.
> >
> > Btw. plugging in or out, maybe even using a cheap switching power supply
> > for something completely unrelated to the computer can have impact to
> > the computer's reliability. Don't charge a smartphone, don't connect a
> > cheap radio etc. to the mains. I see all kinds of effects when plugging
> > in a cheap switching power supply, e.g. the LCD display of my PC goes
> > blank for around a second.
> >
> All great suggestions, thank you.
>
> I have decided that it's not worth my time or injured fingers to do
> anything with this PoS other than sell it on Craigslist cheap for
> anyone who wants to get into the machine and fix it, maybe even make
> money on it.
>
> I had enough trouble replacing my last mobo-CPU-memory combo that I
> don't want to do that stuff again for anyone else.
>
> Cheers!
>
> Mark
>
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