Re: Merging ‘wip-newt-installer’ in master?

[Ludovic Courtès]

Hi,

Mathieu Othacehe <address@hidden> skribis:

>>>       ERROR: pty: failed to exec child /gnu/store/…-installer: Operation 
>>> not permitted (exec_child() in src/pty.c:299)
>>>
>>>     in a loop and the VM became unusable.  Not sure what happened!
>>
>> Hmm at least I can reproduce this issue, not sure what's
>> happening. This error does not happend when creating a disk-image and
>> running qemu manually. I'll try to investigate it soon.
>
> The problem seem to be related to cow-store on VM produced by guix
> system vm. I can reproduce it on "master" by running:
>
> guix system vm /gnu/system/install.scm and appending -drive
> format=raw,file=/home/mathieu/vm-test.img to the produced script.
>
> Then,
>
> mount /dev/sda1 /mnt
> herd start cow-store /mnt
>
> -> Every command (like ls ou mount) fails because /gnu/store does not
> seem to be reachable anymore.

Oh indeed.  I think that’s because / is already an overlayfs in ‘guix
system vm’, so somehow we can’t just stack another overlayfs there.

I should test in a standalone image produced by ‘guix system vm-image’
instead.

Sorry for the confusion!

Ludo’.