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memtest86+ on 12th gen intel

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Ram Ramesh

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Jun 13, 2022, 12:10:05 PM6/13/22
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I had memtest86+ working just fine on a legacy bullseye install.

However, due to age of the CPU, I recently upgraded to 12th gen
i3-12100. As part of the upgrade, I also changed over to UEFI boot. In
addition I had to upgrade kernel to 5.16 using backports to get video
working right. Now memtest86 in the grub menu does not work. Once
selected, grub menu goes away and the background debian 11 canvas shows
up and nothing after that. Memtest never starts.

I removed memtest86+ and reinstalled and that did not help. I looked for
it in backports and as far as I can tell there is no package matching
memtest. Please help. I bought two sticks of RAM and would like to test
it when possible. My search on internet did not bring up any useful
article. May be I do not know how to search for this specific item.

BTW, debian boots and runs as expected. Just that memtest does not start
up. May be, just may be,  it starts up, but cannot use iGPU (UHD 730, I
think) to display activities.

Regards
Ramesh

Bijan Soleymani

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Jun 13, 2022, 12:30:06 PM6/13/22
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On 6/13/2022 11:47 AM, Ram Ramesh wrote:
> I had memtest86+ working just fine on a legacy bullseye install.
>
> However, due to age of the CPU, I recently upgraded to 12th gen
> i3-12100. As part of the upgrade, I also changed over to UEFI boot.

Looks like current Memtest works only with UEFI boot (won't boot otherwise):

https://www.memtest86.com/download.htm

And the legacy version is needed if runing without UEFI (which you
probably had since you hadn't enabled it before).

I'm guessing the legacy version won't boot with UEFI which is what you
are seeing.

Bijan

Bijan Soleymani

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Jun 13, 2022, 12:30:06 PM6/13/22
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On 6/13/2022 12:22 PM, Bijan Soleymani wrote:
https://www.memtest86.com/download.htm

Sorry I didn't realize that version of memtest isn't free software.

Here's a post on the issues with memtest86+ (the free software version) and UEFI:

https://askubuntu.com/questions/917961/can-i-boot-memtest86-if-im-using-uefi

Bijan



Bijan Soleymani

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Jun 13, 2022, 12:40:05 PM6/13/22
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On 6/13/2022 12:27 PM, Bijan Soleymani wrote:

Here's a post on the issues with memtest86+ (the free software version) and UEFI:

https://askubuntu.com/questions/917961/can-i-boot-memtest86-if-im-using-uefi

Sorry for the spam, looks like they just added UEFI support last week:

https://www.memtest.org/

"Changelog

  • Rewrite code for UEFI 32 & 64 bits"

Bijan

piorunz

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Jun 13, 2022, 12:40:05 PM6/13/22
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I think author talks about Memtest86+, not PassMark's Memtest86. There
are two independently developed programs:
https://www.memtest.org/
https://www.memtest86.com/

Memtest86+ (Plus) uses https://www.memtest.org/ webpage. This one
doesn't work in UEFI at all, to my knowledge. It's open source.

Memtest86 uses https://www.memtest86.com/. This one one is much more
established, and its being developed by PassMark Software. It only works
in UEFI, but old legacy versions for BIOS are available for download.
They have free and paid versions. Free version works perfectly fine, but
I didn't checked the licence if GPL or not?

I suggest to OP to use what works :) Either of the two. Unless open
source is a requirement then he may need to stick to Memtest86+.

--
With kindest regards, Piotr.

⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/
⠈⠳⣄⠀⠀⠀⠀

Ram Ramesh

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Jun 17, 2022, 1:00:05 PM6/17/22
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> On 6/13/2022 12:27 PM, Bijan Soleymani wrote:
>>
>> Here's a post on the issues with memtest86+ (the free software
>> version) and UEFI:
>>
>> https://askubuntu.com/questions/917961/can-i-boot-memtest86-if-im-using-uefi
>>
> Sorry for the spam, looks like they just added UEFI support last week:
>
> https://www.memtest.org/
>
> "Changelog
>
> * Rewrite code for UEFI 32 & 64 bits"
>
> Bijan
>

Nothing worked. Both memtest86 and memtest86+ with grub or standalone
boot did not work on my core-i312100. I suspect it is a display driver
problem.

My regular bullseye install itself had this blank screen problem. Only
upgrading to kernel 5.16 from backport got my system working. Memtest is
having very similar issues.

With grub both versions of memtest removes menu and backgroud splash
screen shows and no more activity.
With boot USB, BIOS flashscreen, black screen, nothing more.

If anyone got this working on a 12th gen core i3/5/7, please follow up
and let me know how you got it working. Please copy me in your post, if
it is while (aka months) before you see this and followup.

Regards
Ramesh
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