this post was submitted on 11 Aug 2023
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"sgx: There are zero EPC sections" When trying to install Debian with existing /home in encrypted lvm in vm. (sopuli.xyz)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/linuxquestions
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I want to install Debian over an existing Debian install with an existing home partition in an encrypted lvm (to upgrade to testing), and I have been practising in a vm.

After trying to follow the advice on https://www.blakehartshorn.com/installing-debian-on-existing-encrypted-lvm/, I successfully reached the end of the installation, but when I try to boot into my system, I get the error(s) shown in the attached screenshot.

Any idea what I did wrong/need to do?

Edit: "sgx: There are zero EPC sections" is something that displayes when booting successfully into a machine that works too.

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[–] possiblylinux127 3 points 1 year ago (2 children)

Check your fstab as its probably trying to mount something that doesn't exist.

Why are you reinstalling to upgrade to testing? Can't you just update sources.list?

[–] [email protected] 1 points 1 year ago (1 children)

I just tried doing the install without the encrypted partition and only a root user to check that would still boot after using expert mode to do the install. I'll do the install as I did before and try to compare fstab to the available partitions.

I'm sure I already tried updating the sources.list, but I'd already installed a desktop and there were errors when I tried to apt update and apt upgrade/dist-upgrade.

[–] possiblylinux127 1 points 1 year ago (1 children)

Its going to be way easier to upgrade via apt. Can you share what errors you were seeing?

[–] [email protected] 1 points 1 year ago

I tried a dist-upgrade in a virtual machine with xfce then left it for a bit. When I got back, black screen with a terminal cursor in the top right. I left it for a bit more, then tried to get a tty terminal using the keyboard shortcuts that Boxes provides, but it would only show the login for a split second before returning to the blank screen with just a cursor.

I decided to try to soft restart with the button in boxes. It seemed to shutdown successfully, but when it tried to boot back up it gave a kernel panic instead.

[–] [email protected] 1 points 1 year ago* (last edited 1 year ago)

I'm not sure how I can check fstab. It's not letting me mount the root partition from the installer environment.