Ok, it seems like this bug is not reproduced every time I plug webcam.
This time webcam was hooked up successfully, revealing following in
`pactl list cards`:
Card #4
Name: alsa_card.usb-046d_0825_FCE88FE0-02-U0x46d0x825
Driver: module-alsa-card.c
Owner Module: 26
Properties:
alsa.card = "2"
alsa.card_name = "USB Device 0x46d:0x825"
alsa.long_card_name = "USB Device 0x46d:0x825 at
usb-0000:00:12.2-5, high speed"
alsa.driver_name = "snd_usb_audio"
device.bus_path = "pci-0000:00:12.2-usb-0:5:1.2"
sysfs.path =
"/devices/pci0000:00/0000:00:12.2/usb1/1-5/1-5:1.2/sound/card2"
udev.id = "usb-046d_0825_FCE88FE0-02-U0x46d0x825"
device.bus = "usb"
device.vendor.id = "046d"
device.vendor.name = "Logitech, Inc."
device.product.id = "0825"
device.product.name = "Webcam C270"
device.serial = "046d_0825_FCE88FE0"
device.form_factor = "webcam"
device.string = "2"
device.description = "Webcam C270"
module-udev-detect.discovered = "1"
device.icon_name = "camera-web-usb"
Profiles:
input:analog-mono: Analog Mono Input (sinks: 0, sources: 1,
priority. 1)
off: Off (sinks: 0, sources: 0, priority. 0)
Active Profile: input:analog-mono
Ports:
analog-input-microphone: Microphone (priority: 8700)
Part of profile(s): input:analog-mono
Nevertheless, kern.log had following after plugging webcam in:
Jan 6 20:52:44 t-rex kernel: [30006.048355] usb 1-5: new high-speed USB device
number 6 using ehci_hcd
Jan 6 20:52:45 t-rex kernel: [30006.396631] usb 1-5: New USB device found,
idVendor=046d, idProduct=0825
Jan 6 20:52:45 t-rex kernel: [30006.396644] usb 1-5: New USB device strings:
Mfr=0, Product=0, SerialNumber=2
Jan 6 20:52:45 t-rex kernel: [30006.396652] usb 1-5: SerialNumber: FCE88FE0
Jan 6 20:52:45 t-rex kernel: [30006.398104] uvcvideo: Found UVC 1.00 device
<unnamed> (046d:0825)
Jan 6 20:52:45 t-rex kernel: [30006.495377] input: UVC Camera (046d:0825) as
/devices/pci0000:00/0000:00:12.2/usb1/1-5/1-5:1.0/input/input19
Jan 6 20:52:46 t-rex kernel: [30007.502483] 6:3:3: cannot set freq 32000 to ep
0x86
Note "32000" in last line instead of "48000" as in original issue.
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https://bugs.launchpad.net/bugs/1007542
Title:
pulseaudio stops responding after plugging Logitech webcam in
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