buster ISO 2.8.0 2020-09-07: memtest not available

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28 Oct 2020 12:19 - 28 Oct 2020 13:25 #187552 by seuchato
Hi all
Apologies, if this post is not in the correct category. If, a mod should/could move it to the right place, pleas.

I recently ran into problems with a dell precision T3500 of a colleague of mine. I recommended this PC because of this post, where the said pc is tested with excellent results.

We had figures well above 100'000 nS. So I had to start digging into the problems. In the course, I wanted to use memtest86+ off the USB install stick, based on buster ISO 2.8.0 2020-09-07. I tried to invoke memtest from the stick, but it fails, both when called from "Advanced options | Memory diagnostic Tool (memtest86+)" or through "Advanced options | Hardware detection tool (HDT) | Memory | Run test".

If going through HDT, I get

Loading /live/memtest... failed: no such file or directory
boot:


On the stick, in grub.cfg I could not find entries for memtest86 or memtest86+.

I think, for debugging memtest is very handy, so I kindly ask, if memtest could not be added to the buster ISO?

greez
chris
Last edit: 28 Oct 2020 13:25 by seuchato. Reason: typos

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28 Oct 2020 14:09 #187572 by seuchato
Since I am asking, one more thingy, please:

When installing on a used HD/SSD, I regularly get to the situation, where a disc has an incompatible partition table written. The graphical installer runs into a problem then, writing a new partition table. If on Ctrl-F1/2/3 terminal one could fire up say fdisk and thus write an empty dos partition table, that whole installation process could run through.

A "nice to have" only. I get around this in aborting the installation process, shutting down the PC, extracting the dis, attach it to another PC, write an empty partition table to it and the then restart the installation process from scratch.

Greez
chris

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28 Oct 2020 18:02 #187596 by BeagleBrainz
The installer, as far as I am aware, has not been customized programmatically. It is the standard Debian installer.
It is the same situation as the Mint ISOs.
The following user(s) said Thank You: seuchato

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28 Oct 2020 20:11 #187616 by seuchato
BeagleBrainz,

OK, but I have remastered some Knoppix versions. I was able to add options. Long time ago though, I think it was on 4xx versions. Still: I really believe, my wishes are not so far from what could be wanted (my humble opinion only).

Greez
chris

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28 Oct 2020 20:29 #187620 by BeagleBrainz
Might be best to jump onto the dev mailing list, go to the linuxcnc main website and there is info under one of the headings.
Andy will probably respond fairly quickly.

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28 Oct 2020 20:31 #187621 by seuchato
Seems appropriate, will act accordingly

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28 Oct 2020 21:02 #187626 by seuchato
done, registered at the mailing list. I am not sure everything went Ok. Thus my post @

Topic: "Linuxcnc 2.8.0 buster iso: please add memtest and possibilty to wipe partition table and mc"
Hi all

My first post here.

I have two wishes:

    I recently ran into problems with a dell precision T3500 of a colleague of mine. I recommended this PC because of this post, where the said pc is tested with excellent results.

    We had figures well above 100'000 nS. So I had to start digging into the problems. In the course, I wanted to use memtest86+ off the USB install stick, based on buster ISO 2.8.0 2020-09-07. I tried to invoke memtest from the stick, but it fails, both when called from "Advanced options | Memory diagnostic Tool (memtest86+)" or through "Advanced options | Hardware detection tool (HDT) | Memory | Run test".

    If going through HDT, I get

    Loading /live/memtest... failed: no such file or directory
    boot:

    "Loading /live/memtest... failed: no such file or directory
    boot:"

    On the stick, in grub.cfg I could not find entries for memtest86 or memtest86+.

    I think, for debugging memtest is very handy, so I kindly ask, if memtest could not be added to the buster ISO?

    When installing on a used HD/SSD, I regularly get to the situation, where a disc has an incompatible partition table written. The graphical installer runs into a problem then, writing a new partition table. If on Ctrl-F1/2/3 terminal one could fire up say "fdisk" and thus write an empty dos partition table, that whole installation process could run through.

    A "nice to have" only. I get around this in aborting the installation process, shutting down the PC, extracting the dis, attach it to another PC, write an empty partition table to it and the then restart the installation process from scratch.

    Midnight commander in Ctrl-F1/2/3, please.

I'd call it nice to haves, not need to have. But if available: sooo good!

Greez

chris

Greez
chris

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