Баг 60885: окружение тестового стенда (ВМ в Proxmox, камера по SPICE)
Стенд: kworkstation-11-4-x86-64-legacy-ext4-20261013, пользователь test

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$ cat /etc/os-release
========================================================================
NAME="ALT"
RELEASE_TYPE="development"
VERSION_CODENAME="nemorosa"
VERSION="11.4"
ID=altlinux
VARIANT="Workstation K"
VARIANT_ID=kworkstation
LOGO="alt-distro-logo"
VERSION_ID=11.4
PRETTY_NAME="ALT Workstation K 11.4 (Nemorosa)"
ANSI_COLOR="1;33"
CPE_NAME="cpe:/o:alt:kworkstation:11"
BUILD_ID="ALT 11.4 Workstation K"
ALT_BRANCH_ID="sisyphus"
HOME_URL="https://www.basealt.ru/"
BUG_REPORT_URL="https://bugs.altlinux.org/"
DOCUMENTATION_URL="https://docs.altlinux.org/"
SUPPORT_URL="https://support.basealt.ru/"

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$ uname -a
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Linux kworkstation-11-4-x86-64-legacy-ext4-20261013.localdomain 6.12.112-6.12-alt1 #1 SMP PREEMPT_DYNAMIC Sun Oct  4 05:14:06 UTC 2026 x86_64 GNU/Linux

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$ printf 'session=%s desktop=%s\n' "$XDG_SESSION_TYPE" "$XDG_CURRENT_DESKTOP"
(выполнено в терминале графической сессии)
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session=wayland desktop=KDE

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$ rpm -qa | grep -Ei 'opentoonz|opencv|qt5.*(multimedia|wayland)|gstreamer|gst-plugins|v4l'
(вывод отсортирован по алфавиту)
========================================================================
gst-plugins-bad1.0-1.28.8-alt1.x86_64
gst-plugins-base1.0-1.28.8-alt1.x86_64
gst-plugins-good1.0-1.28.8-alt1.x86_64
gst-plugins-good1.0-qt6-1.28.8-alt1.x86_64
gst-plugins-libcamera1.0-0.7.2-alt1.x86_64
gst-plugins-ugly1.0-1.28.8-alt1.x86_64
gstreamer1.0-1.28.8-alt1.x86_64
i586-libv4l-1.32.0-alt1.i586
libgst-plugins1.0-1.28.8-alt1.x86_64
libgst-plugins1.0-gir-1.28.8-alt1.x86_64
libgstreamer1.0-1.28.8-alt1.x86_64
libgstreamer1.0-gir-1.28.8-alt1.x86_64
libopencv4.10-4.10.0-alt2.x86_64
libopencv4.13-4.13.0-alt2.x86_64
libopencv4.14-4.14.0-alt2.x86_64
libqt5-multimedia-5.15.18-alt1.x86_64
libqt5-waylandclient-5.15.18-alt1.x86_64
libqt5-waylandcompositor-5.15.18-alt1.x86_64
libv4l-1.32.0-alt1.x86_64
opentoonz-1.8.0-alt3.x86_64
qt5-multimedia-common-5.15.18-alt1.noarch
qt5-wayland-5.15.18-alt1.x86_64
qt5-wayland-common-5.15.18-alt1.noarch
v4l-utils-1.32.0-alt1.x86_64
vlc-plugin-v4l-3.0.24-alt1.x86_64

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$ id
========================================================================
uid=1000(test) gid=1000(test) группы=1000(test),10(wheel),14(uucp),19(proc),22(cdrom),36(vmusers),71(floppy),80(cdwriter),81(audio),83(radio),100(users),941(camera),942(scanner),949(usershares),957(vboxusers),959(fuse),971(video),976(xgrp),979(vboxsf),980(vboxadd)

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$ lsusb -t
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/:  Bus 001.Port 001: Dev 001, Class=root_hub, Driver=uhci_hcd/2p, 12M
    |__ Port 001: Dev 002, If 0, Class=Human Interface Device, Driver=usbhid, 12M
/:  Bus 002.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/15p, 480M
    |__ Port 004: Dev 003, If 0, Class=Video, Driver=uvcvideo, 480M
    |__ Port 004: Dev 003, If 1, Class=Video, Driver=uvcvideo, 480M
    |__ Port 004: Dev 003, If 2, Class=Application Specific Interface, Driver=[none], 480M
/:  Bus 003.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/15p, 5000M

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$ lspci | grep -i usb
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00:01.2 USB controller: Intel Corporation 82371SB PIIX3 USB [Natoma/Triton II] (rev 01)
00:1a.0 USB controller: Red Hat, Inc. QEMU XHCI Host Controller (rev 01)

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$ v4l2-ctl --list-devices
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HP FHD Camera: HP FHD Camera (usb-0000:00:1a.0-4):
        /dev/video0
        /dev/video1
        /dev/media0

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$ cat /sys/class/dmi/id/sys_vendor /sys/class/dmi/id/product_name /sys/class/dmi/id/product_version /sys/class/dmi/id/bios_version
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QEMU
Standard PC (i440FX + PIIX, 1996)
pc-i440fx-10.2
1.16.3-alt3

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Сервер с Proxmox (ключевые строки из pveversion -v)
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pve-manager: 9.2.5-alt5 (running version: 9.2-5/alt5)
pve-qemu-system: 1:10.2.2-alt1
pve-qemu-server: 9.2.0-alt3
libspice-server: 0.15.2-alt3
ОС сервера: alt-server 11.1
Ускорение KVM: включено (параметр ВМ)

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Ноутбук (камера физически здесь, запущен remote-viewer)
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ALT Workstation K 11.4
virt-viewer (remote-viewer): 11.0-alt3
libspice-gtk3: 0.42-alt1
libusbredir: 0.14.0-alt1
