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#1 2022-09-11 04:32:02
- rmz
- Member
- Registered: 2022-09-11
- Posts: 4
Strange and scary things
[thinkpad x1 carbon 3th gen]
After the last two updates (pacman -Syu) I had the same problem: the wlan0 interface became unavailable after the second reboot.
The first time the problem strangely literally disappeared on its own - after one or two more reboots, the wlan0 interface became available again.
After one month I did the next update and the problem recurred. In addition to this problem, another one arose - some applications stopped running due to incompatibility with the video card:
https://ibb.co/vjJbJ3x
After some "research" I found that after downgrading mesa package the problem with launching applications disappears. And one more interesting thing: as a result of installing the mesa package in the directory /dev/net/ appears file ~tun. When ~tun file exist - wlan0 interface is not availible, if the file is deleted - everything works fine. Wlan0 interface always becomes unavailable after the second reboot since reinstalling the mesa package when it creates the file ~tun.
Further - more interesting: mesa package version 22.1.7-1 on github has sha512sum: 447e87359445edce231761d94b316b2aa20e9ab58e4b59d75cbb1696dd0900e7164c32bebc3b75700b4070570b456f7a8cf0914181371754a52427d34e4b9120
https://github.com/archlinux/svntogit-p … k/PKGBUILD
But my local mesa package (/var/cache/pacman/pkg) with same version(22.1.7-1) has another sha512sum. BUT it signed by Laurent Carlier gpg key 535F8C0339450F054A4D282706096A6AD1CEDDAC.
my local mesa package file: https://www.transfernow.net/dl/20220911qQgLWRqN
signature file: https://www.transfernow.net/dl/20220911EZ2b789X
As well as an error occurs when I try to install a mesa package directly downloaded from the link https://mesa.freedesktop.org/archive/ (pacman -U)
https://ibb.co/0JLZGs3
There is no developer Laurent Carlier at all in the list of mesa package validpgpkeys on github.
What the hell is going on?
Last edited by rmz (2022-09-11 05:07:37)
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#2 2022-09-11 04:51:31
- Allan
- Pacman
- From: Brisbane, AU
- Registered: 2007-06-09
- Posts: 11,672
- Website
Re: Strange and scary things
The sha512sum and validpgpkeys refer to the checksum and who can sign the upstream tarball. The packager (Laurent Carlier) key is not listed there.
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#3 2022-09-11 04:56:53
- rmz
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- Registered: 2022-09-11
- Posts: 4
Re: Strange and scary things
Understood. But anyway checksums are different, as well as the strange behavior of the package during installation.
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#4 2022-09-11 05:00:44
- Slithery
- Administrator
- From: Norfolk, UK
- Registered: 2013-12-01
- Posts: 5,776
Re: Strange and scary things
As well as an error occurs when I try to install a mesa package directly downloaded from the link https://mesa.freedesktop.org/archive/ (pacman -U)
https://ibb.co/0JLZGs3
The download from your linked URL is a source tarball, not an Arch package. Of course you can't install it with pacman.
There is no developer Laurent Carlier at all in the list of mesa package validpgpkeys on github.
That's because Laurent isn't a mesa developer, they're an Arch packager.
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#5 2022-09-11 05:05:52
- rmz
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- Registered: 2022-09-11
- Posts: 4
Re: Strange and scary things
thank you for your answer, but what about sha512sum and ~tun file after installing?
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#6 2022-09-11 05:22:13
- Slithery
- Administrator
- From: Norfolk, UK
- Registered: 2013-12-01
- Posts: 5,776
Re: Strange and scary things
...but what about sha512sum...
You're still confusing upstream with Arch packages.
The sha512sum in the PKGBUILD on the Arch Github is for the upstream source, not for the built package in the repos.
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#7 2022-09-11 05:40:10
- rmz
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- Registered: 2022-09-11
- Posts: 4
Re: Strange and scary things
Thank you. I understood my mistake about sums. But why mesa package creates ~tun file in /dev/net after installing and everytime just after two reboots my wlan0 interface become unavailible until I delete file ~tun?
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#8 2022-09-12 12:49:56
- Lone_Wolf
- Administrator
- From: Netherlands, Europe
- Registered: 2005-10-04
- Posts: 15,167
Re: Strange and scary things
Online searches indicate /dev/net/tun is created as a static node through tmpfiles.d when tun is built as module .
/usr/lib/tmpfiles.d/static-nodes-permissions.conf does have an entry for /dev/net/tun .
$ pacman -Qo /usr/lib/tmpfiles.d/static-nodes-permissions.conf
/usr/lib/tmpfiles.d/static-nodes-permissions.conf is owned by systemd 251.4-1
$ I suggest you create a new thread for the vanishing wlan0 issue.
Include the network tools you use to manage your netwotk connections and the outputs of ip link with wlan0 and without it.
The output of ls -la /dev/net masy also be useful.
Last edited by Lone_Wolf (2022-09-12 12:50:32)
Disliking systemd intensely, but not satisfied with alternatives so focusing on taming systemd.
clean chroot building not flexible enough ?
Try clean chroot manager by graysky
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#9 2022-09-12 14:28:09
- dogknowsnx
- Guest
Re: Strange and scary things
As mentioned above the existence of '/dev/net/tun' doesn't depend on 'mesa' and there is no '/dev/net/~tun' file on my system running 'mesa' 22.1.7-1. There's also no reaction* to your bug report yet, so you seem to be the only one having network issues as a (presumptive) result of installing the latest 'mesa' package.
I have to agree that the issue you're experiencing must be rooted in something else (how do you know/deduce that your "~tun" file is created by upgrading mesa, anyway?)
Please adjust the title of this topic to reflect your actual issue...
EDIT: *Who are you trying to fool? Yourself??
Last edited by dogknowsnx (2022-09-13 07:32:33)
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