我是新手。好几年没用过 ubuntu 了。
我有一个 Logitec ConferenceCam Connect。在 Windows 和 Chrome OS 上工作正常。一旦我将其插入 Ubuntu，系统就会冻结并变得无响应。一旦我拔下电源，一切就会恢复正常。在执行所有更新后，在全新安装的 Mate 18.04 和 Ubuntu 20.04 上进行了测试。
不知道从哪里开始解决这个问题。
编辑：这似乎与音频有关。我可以关闭摄像头/麦克风/扬声器组合的视频组件，但即使如此，大约 30 秒后系统也会冻结。并且它被当作外部声卡。
编辑：发生错误时的系统日志：
3
Aug 11 11:02:09 barry-System-Product-Name kernel: [ 1623.488198] usb 2-1.2.1: USB disconnect, device number 44
Aug 11 11:02:09 barry-System-Product-Name kernel: [ 1623.490070] usb 2-1.2: clear tt 1 (02c0) error -71
Aug 11 11:02:09 barry-System-Product-Name kernel: [ 1623.494118] usb 2-1.2.1: 1:1: usb_set_interface failed (-71)
Aug 11 11:02:09 barry-System-Product-Name pulseaudio[1713]: [pulseaudio] udev-util.c: Failed to get card object.
Aug 11 11:02:09 barry-System-Product-Name pulseaudio[1713]: [pulseaudio] module-alsa-card.c: Failed to find a working profile.
Aug 11 11:02:09 barry-System-Product-Name upowerd[1208]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.1/2-1.2.1:1.2
Aug 11 11:02:09 barry-System-Product-Name pulseaudio[1713]: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="1" name="usb-Logitech_ConferenceCam_Connect_0X450X090XCB0X15-00" card_name="alsa_card.usb-Logitech_ConferenceCam_Connect_0X450X090XCB0X15-00" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes card_properties="module-udev-detect.discovered=1""): initialization failed.
Aug 11 11:02:09 barry-System-Product-Name upowerd[1208]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.1/2-1.2.1:1.0
Aug 11 11:02:09 barry-System-Product-Name acpid: input device has been disconnected, fd 15
Aug 11 11:02:09 barry-System-Product-Name upowerd[1208]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.1/2-1.2.1:1.1
Aug 11 11:02:09 barry-System-Product-Name acpid: input device has been disconnected, fd 16
Aug 11 11:02:09 barry-System-Product-Name kernel: [ 1623.627156] usb 2-1.2.2: USB disconnect, device number 45
Aug 11 11:02:09 barry-System-Product-Name upowerd[1208]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.1/2-1.2.1:1.3/0003:046D:084C.0018
Aug 11 11:02:09 barry-System-Product-Name upowerd[1208]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.1/2-1.2.1:1.3
Aug 11 11:02:10 barry-System-Product-Name upowerd[1208]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.1
Aug 11 11:02:10 barry-System-Product-Name upowerd[1208]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.2/2-1.2.2:1.1
Aug 11 11:02:10 barry-System-Product-Name upowerd[1208]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.2/2-1.2.2:1.0
Aug 11 11:02:10 barry-System-Product-Name upowerd[1208]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.0
Aug 11 11:02:10 barry-System-Product-Name upowerd[1208]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.2/2-1.2.2:1.2/0003:046D:084B.0019
Aug 11 11:02:10 barry-System-Product-Name upowerd[1208]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.2/2-1.2.2:1.2
Aug 11 11:02:10 barry-System-Product-Name upowerd[1208]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.2
Aug 11 11:02:10 barry-System-Product-Name upowerd[1208]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2
答案1
您可以安装 Ubuntu 16.04。这使我的设置正常工作。