Description of problem: I have sound output configured for my external USB speakers. Upon resume from suspend-to-RAM, they are present in Pulseaudio but there is no sound from them. To get them to work again I must replug them. Version-Release number of selected component (if applicable): kernel-3.16.3-302.fc21.x86_64 pulseaudio-5.0-10.fc21.x86_64 How reproducible: Always. Steps to Reproduce: 1. Plug in and switch to USB speakers. 2. Suspend. 3. Resume. Actual results: No sound. Expected results: Sound resumes. Additional info: The speakers are attached to an external hub on a USB3 port, but the same happens when they are directly-attached to a USB2 port. The switch-on-connect plugin is loaded. Reporting this against PA to start things off, I appreciate this could be a driver bug. [ 2537.798411] usb 3-2.5.5: new full-speed USB device number 14 using xhci_hcd [ 2537.887712] usb 3-2.5.5: New USB device found, idVendor=18c3, idProduct=6255 [ 2537.887722] usb 3-2.5.5: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 2537.887727] usb 3-2.5.5: Product: USB Audio Device [ 2537.887731] usb 3-2.5.5: Manufacturer: Elite Silicon [ 2537.919512] input: Elite Silicon USB Audio Device as /devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb3/3-2/3-2.5/3-2.5.5/3-2.5.5:1.2/0003:18C3:6255.0008/input/input26 [ 2537.920157] hid-generic 0003:18C3:6255.0008: input,hidraw3: USB HID v1.00 Device [Elite Silicon USB Audio Device] on usb-0000:03:00.0-2.5.5/input2
Created attachment 944082 [details] pulseaudio -vvvv output When this log was taken: - PA was started with the USB speaker detached - The speaker was attached - The "test speaker" button in the GNOME volume control was check output - Machine suspended and resumed - "Test speaker" run again, no sound - Speaker re-plugged and re-tested successfully.
See also bugs 1151424 and 1152321. I have the same problem with ASUS Xonar U3 USB sound card. The log shows (full log attached) I: [pulseaudio] alsa-sink.c: Using 4.0 fragments of size 4408 bytes (24.99ms), buffer size is 17632 bytes (99.95ms) D: [pulseaudio] alsa-sink.c: hwbuf_unused=0 D: [pulseaudio] alsa-sink.c: setting avail_min=1 W: [pulseaudio] alsa-util.c: Unable to set sw params: Permission denied E: [pulseaudio] alsa-sink.c: Failed to set software parameters: Permission denied
Created attachment 947874 [details] pulseaudio -vvvv
Created attachment 947875 [details] Output of pactl -list
I should have mentioned that my problem remains after re-plugging. So might be different bug.
This is often a kernel/alsa issue, reassigning. Please post the output of 'alsa-info', thanks.
Created attachment 947934 [details] output of alsa-info
(In reply to Rex Dieter from comment #6) > This is often a kernel/alsa issue, reassigning. > > Please post the output of 'alsa-info', thanks. Do you want this taken: - when the speakers are working, before suspend; - when they've gone quiet, after resume; or - both of the above?
Good question, I assume it's probably better to have too much information than too little, so both?
Created attachment 948006 [details] alsa-info after resume (no sound from USB speakers)
Created attachment 948007 [details] alsa-info before suspend (with working sound) Uploaded both as there's a small diff.
My problem is solved by doing chmod a+rw /dev/snd/* after plugging in the USB device.
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Still about in kernel-4.2.3-200.fc22.x86_64
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