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#1 2022-05-09 13:31:22

schard
Member
From: Hannover
Registered: 2016-05-06
Posts: 1,356
Website

[SOLVED] qemu-common: /etc/qemu/bridge.conf exists in filesystem

I currently cannot upgrade my system:

1 ✗ neumann@ThinkCentre ~ $ LANG=C sudo pacman -Syu --noc
:: Synchronizing package databases...
 core is up to date
 extra is up to date
 community is up to date
 homeinfo is up to date
 rne is up to date
:: Starting full system upgrade...
:: Replace qemu with extra/qemu-desktop? [Y/n] 
:: Replace qemu-arch-extra with extra/qemu-emulators-full? [Y/n] 
resolving dependencies...
looking for conflicting packages...

Package (90)                             Old Version       New Version       Net Change 

extra/archiso                            63-1              63-2                 0.00 MiB
extra/dav1d                              0.9.2-1           1.0.0-1              0.27 MiB
extra/edk2-armvirt                                         202202-2           130.00 MiB
extra/ffmpeg                             2:5.0-6           2:5.0-7              0.00 MiB
extra/ffmpeg4.4                          4.4.1-4           4.4.1-5              0.00 MiB
extra/gd                                 2.3.3-3           2.3.3-4              0.00 MiB
extra/git                                2.36.0-1          2.36.1-1             0.00 MiB
community/gnome-boxes                    42.0.1-1          42.0.1-2             0.00 MiB
extra/gnome-shell-extensions             42.0-1            42.1-1              -0.03 MiB
extra/gspell                             1.10.0-1          1.10.0-2             0.00 MiB
core/hwdata                              0.358-1           0.359-1              0.00 MiB
extra/imagemagick                        7.1.0.32-1        7.1.0.33-1           0.00 MiB
community/libavif                        0.9.3-1           0.10.1-1             0.00 MiB
extra/libreoffice-fresh                  7.3.3-1           7.3.3-2              0.00 MiB
core/libunistring                        0.9.10-3          1.0-1                0.20 MiB
community/libvirt                        1:8.2.0-7         1:8.3.0-1            0.11 MiB
community/libyuv                         r2266+eb6e7bb6-1  r2322+3aebf69d-1     0.19 MiB
extra/mesa                               22.0.2-1          22.0.3-1             0.01 MiB
community/multipath-tools                                  0.8.9-1              1.12 MiB
extra/poppler                            22.03.0-1         22.05.0-1            0.06 MiB
extra/poppler-glib                       22.03.0-1         22.05.0-1            0.01 MiB
community/python-astroid                 2.11.4-1          2.11.5-1             0.00 MiB
community/python-markdown                3.3.6-3           3.3.7-1             -0.01 MiB
qemu                                     6.2.0-4                              -50.68 MiB
qemu-arch-extra                          6.2.0-4                             -766.41 MiB
extra/qemu-audio-alsa                                      7.0.0-9              0.03 MiB
extra/qemu-audio-dbus                                      7.0.0-9              0.03 MiB
extra/qemu-audio-jack                                      7.0.0-9              0.02 MiB
extra/qemu-audio-oss                                       7.0.0-9              0.02 MiB
extra/qemu-audio-pa                                        7.0.0-9              0.02 MiB
extra/qemu-audio-sdl                                       7.0.0-9              0.01 MiB
extra/qemu-audio-spice                                     7.0.0-9              0.02 MiB
extra/qemu-block-curl                                      7.0.0-9              0.04 MiB
extra/qemu-block-dmg                                       7.0.0-9              0.01 MiB
extra/qemu-block-nfs                                       7.0.0-9              0.03 MiB
extra/qemu-block-ssh                                       7.0.0-9              0.04 MiB
extra/qemu-chardev-spice                                   7.0.0-9              0.03 MiB
extra/qemu-common                                          7.0.0-9              3.58 MiB
extra/qemu-desktop                                         7.0.0-9              0.00 MiB
extra/qemu-emulators-full                                  7.0.0-9              0.00 MiB
extra/qemu-hw-display-qxl                                  7.0.0-9              0.10 MiB
extra/qemu-hw-display-virtio-gpu                           7.0.0-9              0.06 MiB
extra/qemu-hw-display-virtio-gpu-gl                        7.0.0-9              0.03 MiB
extra/qemu-hw-display-virtio-gpu-pci                       7.0.0-9              0.01 MiB
extra/qemu-hw-display-virtio-gpu-pci-gl                    7.0.0-9              0.01 MiB
extra/qemu-hw-display-virtio-vga                           7.0.0-9              0.01 MiB
extra/qemu-hw-display-virtio-vga-gl                        7.0.0-9              0.01 MiB
extra/qemu-hw-s390x-virtio-gpu-ccw                         7.0.0-9              0.01 MiB
extra/qemu-hw-usb-host                                     7.0.0-9              0.05 MiB
extra/qemu-hw-usb-redirect                                 7.0.0-9              0.07 MiB
extra/qemu-hw-usb-smartcard                                7.0.0-9              0.03 MiB
extra/qemu-img                                             7.0.0-9             10.13 MiB
extra/qemu-pr-helper                                       7.0.0-9              0.98 MiB
extra/qemu-system-aarch64                                  7.0.0-9             24.94 MiB
extra/qemu-system-alpha                                    7.0.0-9             28.23 MiB
extra/qemu-system-arm                                      7.0.0-9             39.25 MiB
extra/qemu-system-avr                                      7.0.0-9             12.31 MiB
extra/qemu-system-cris                                     7.0.0-9             12.48 MiB
extra/qemu-system-hppa                                     7.0.0-9             28.87 MiB
extra/qemu-system-m68k                                     7.0.0-9             13.92 MiB
extra/qemu-system-microblaze                               7.0.0-9             24.96 MiB
extra/qemu-system-mips                                     7.0.0-9             77.54 MiB
extra/qemu-system-nios2                                    7.0.0-9             12.31 MiB
extra/qemu-system-or1k                                     7.0.0-9             12.40 MiB
extra/qemu-system-ppc                                      7.0.0-9             77.67 MiB
extra/qemu-system-riscv                                    7.0.0-9             64.52 MiB
extra/qemu-system-rx                                       7.0.0-9             12.30 MiB
extra/qemu-system-s390x                                    7.0.0-9             24.91 MiB
extra/qemu-system-sh4                                      7.0.0-9             33.96 MiB
extra/qemu-system-sparc                                    7.0.0-9             52.28 MiB
extra/qemu-system-tricore                                  7.0.0-9             12.46 MiB
extra/qemu-system-x86                                      7.0.0-9             66.21 MiB
extra/qemu-system-xtensa                                   7.0.0-9             41.33 MiB
extra/qemu-tools                                           7.0.0-9              1.43 MiB
extra/qemu-ui-curses                                       7.0.0-9              0.04 MiB
extra/qemu-ui-dbus                                         7.0.0-9              0.24 MiB
extra/qemu-ui-egl-headless                                 7.0.0-9              0.01 MiB
extra/qemu-ui-gtk                                          7.0.0-9              0.08 MiB
extra/qemu-ui-opengl                                       7.0.0-9              0.03 MiB
extra/qemu-ui-sdl                                          7.0.0-9              0.04 MiB
extra/qemu-ui-spice-app                                    7.0.0-9              0.01 MiB
extra/qemu-ui-spice-core                                   7.0.0-9              0.07 MiB
extra/qemu-user                                            7.0.0-9            272.05 MiB
extra/qemu-vhost-user-gpu                                  7.0.0-9              0.40 MiB
extra/qemu-virtiofsd                                       7.0.0-9              0.44 MiB
community/runc                           1.1.1-1           1.1.1-2              0.00 MiB
extra/samba                              4.16.1-2          4.16.1-3             0.00 MiB
extra/smbclient                          4.16.1-2          4.16.1-3             0.00 MiB
extra/vlc                                3.0.17.4-2        3.0.17.4-3           0.00 MiB
core/xfsprogs                            5.15.0-2          5.16.0-1             0.00 MiB

Total Installed Size:  1900.44 MiB
Net Upgrade Size:       277.93 MiB

:: Proceed with installation? [Y/n] 
(88/88) checking keys in keyring                                                                                                               [########################################################################################] 100%
(88/88) checking package integrity                                                                                                             [########################################################################################] 100%
(88/88) loading package files                                                                                                                  [########################################################################################] 100%
(88/88) checking for file conflicts                                                                                                            [########################################################################################] 100%
error: failed to commit transaction (conflicting files)
qemu-common: /etc/qemu/bridge.conf exists in filesystem
Errors occurred, no packages were upgraded.

But the config file in question was never owned by a package.

1 ✗ neumann@ThinkCentre ~ $ LANG=C pacman -Qo /etc/qemu/bridge.conf
error: No package owns /etc/qemu/bridge.conf
1 ✗ neumann@ThinkCentre ~ $ 

Why has qemu-common commandeered my custom config file?
How should I resolve this file conflict?

PS: I just saw that some config files in /etc/ are now provided by said package: https://github.com/archlinux/svntogit-p … BUILD#L103
I find this surprising, since I'd expect config files in /etc/ to be managed by the systems administrator and not by a package.
Hence, I am steadfast of the opinion, that those files should also be in the backup=() array.

Last edited by schard (2022-05-09 13:42:40)


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#2 2022-05-09 13:38:57

Gyscos
Member
Registered: 2009-09-19
Posts: 30

Re: [SOLVED] qemu-common: /etc/qemu/bridge.conf exists in filesystem

I suppose the packaging team thought this file was unlikely to be actually customized?

To update it anyway, you could first save a backup, then let pacman overwrite the custom file, and finally restore the backup:

# BACKUP=$(< /etc/qemu.bridge.conf)
# pacman -Syu --overwrite /etc/qemu.bridge.conf
# >/etc/qemu/bridge.conf <<<$BACKUP

(Of course if you never actually customized this file you don't need to backup & restore.)

Last edited by Gyscos (2022-05-09 13:39:46)

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#3 2022-05-09 13:41:33

schard
Member
From: Hannover
Registered: 2016-05-06
Posts: 1,356
Website

Re: [SOLVED] qemu-common: /etc/qemu/bridge.conf exists in filesystem

Ah, you jinxed me. I also just realized that the content of the upstream file and my config file is the same.
So I'll just let pacman override the file:

sudo pacman -Syu --overwrite etc/qemu/bridge.conf

Still, this file really should be in backup=() and customizable.

Last edited by schard (2022-05-09 13:44:52)


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#4 2022-05-09 20:06:53

Lichtprotoss
Member
Registered: 2021-09-01
Posts: 5

Re: [SOLVED] qemu-common: /etc/qemu/bridge.conf exists in filesystem

Hi all

I hope you are all safe. I had the same issue and solved it as @Gyscos suggests.

Also, I agree and would not expect this. Maybe it is worth considering, in case bridge.conf already exists, a bridge.conf.pacnew is created. It would be the decision of the system administrator how to resolve it. This is also how I understand [1]. However, I might also mix things up here.

Thanks

[1] https://wiki.archlinux.org/title/Pacman … nd_Pacsave

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#5 2022-05-10 07:09:01

schard
Member
From: Hannover
Registered: 2016-05-06
Posts: 1,356
Website

Re: [SOLVED] qemu-common: /etc/qemu/bridge.conf exists in filesystem

The temporary backup is not a real solution, since subsequent updates of qemu-common will override said config file.


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