[Bullseye] downgrade python2

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[Bullseye] downgrade python2

Postby caminero » 2020-09-16 13:48

Hi * .
Today I run "apt upgrade" without checking properly. I got an upgrade on python2 to version 2.7.18-2
which broke latest Virtualbox (to run un kernel 5.8 ).
Now I need to downgrade from 2.7.18-2 to 2.7.17-2

Code: Select all
# apt-get install python=2.7.17-2

Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
python : PreDepends: python-minimal (= 2.7.17-2) but it is not installable
Depends: libpython-stdlib (= 2.7.17-2) but it is not installable
Depends: python2 (= 2.7.17-2) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.


Also removed the installed python2, downloaded previous one manually and tried to install to no avail .:(

Help !

Thanks in advance .
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Re: [Bullseye] downgrade python2

Postby dilberts_left_nut » 2020-09-16 14:53

Downgrading python is not really a feasible solution - every upgrade from now will be expecting the new version.

You should probably just wait for a new version of VB that supports the updated python, or do what you should have been doing all along and run stable.
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Re: [Bullseye] downgrade python2

Postby stevepusser » 2020-09-16 17:12

Since virtualbox is not in the testing repositories, only in Sid, that begs the question as to where you got it.

I do have VBox 6.1.14 backported to Buster and Stretch for MX Linux, and it does work with backported 5.8 kernels there. http://mxrepo.com/mx/testrepo/pool/test/v/virtualbox/

Maybe if someone asks nicely, I could update my Debian OBS repo for it, too.
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Re: [Bullseye] downgrade python2

Postby stevepusser » 2020-09-16 18:24

Well, here's the rebuilt virtualbox 6.1.14 for Buster and testing. Virtualbox-ext-pack and -guest-additions-iso 6.1.14 are also in the repo.

https://build.opensuse.org/package/show ... virtualbox

The OBS automatically rebuilds a package if any of the build-depends changes, such as python2, so hopefully, it will remain compatible.
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Re: [Bullseye] downgrade python2

Postby caminero » 2020-09-16 20:20

I downloaded from http://virtualbox.org

Actually, I backup'd everything and installed Buster (is the only version I dislike since potato).
I need to deliver "windows" stuff tomorrow morning.
Thanks to all for your support.
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Re: [Bullseye] downgrade python2

Postby stevepusser » 2020-09-16 20:25

Obviously, there had been changes in Bullseye since Oracle built their version, and they didn't respond to them. That's one advantage of the automatic rebuilds in the OBS.

Anyway, there's no 5.8 kernel in buster-backports yet, though we do have a couple already in the MX repos so we can test the new VBox packages with it.
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Re: [Bullseye] downgrade python2

Postby caminero » 2020-09-16 20:39

@stevepusser
Next week I'll get to install new laptop (Ryzen at last !!!! ).
Which packages should I install from that repo?
http://mxrepo.com/mx/testrepo/pool/test ... _amd64.deb ?
http://mxrepo.com/mx/testrepo/pool/test ... _amd64.deb ?
I'm guessing here !
Thanks
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Re: [Bullseye] downgrade python2

Postby caminero » 2020-09-18 14:24

Can I point to that repo on /etc/apt/sources.list ?

Thanks
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Re: [Bullseye] downgrade python2

Postby Head_on_a_Stick » 2020-09-18 15:30

Black Lives Matter

Debian buster-backports ISO image: for new hardware support
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Re: [Bullseye] downgrade python2

Postby caminero » 2020-09-19 13:15

Thank you !
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Re: [Bullseye] downgrade python2

Postby stevepusser » 2020-09-19 17:35

I would use my debian testing OBS repo linked above for the new virtualbox that I just went to the trouble of updating instead, since the MX repos are not based on any Bullseye platform, and trying to use it for Bullseye is sure to lead to grief. Plus you might be confused by all the extra packages that are in the MX repos. My OBS Bullseye builds have only virtualbox related packages, and rebuild themselves if anything changes in the build-depends, which happens pretty frequently in Sid and testing.

About Ryzens, has anyone had experience with the new AMD Ryzen 7 4800H eight core laptops? It seems like there are some nice laptops coming out with this processor that would be great for building packages, and don't cost an arm and a leg. An extra discrete GPU is not necessary for building packages, either. That's in case my current heavy 2018 MSI GP63 with 2 hours battery life gives up the ghost...
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