seem your USB audio did not have any volume.controls post the output of alsa-info.sh
lsusb -vvvv and pulseaudio verbose log 5646.825928] cannot submit datapipe for urb 0, error -28: not enough bandwidth [ 5646.826103] cannot submit datapipe for urb 0, error -28: not enough bandwidth [ 5646.826285] cannot submit datapipe for urb 0, error -28: not enough bandwidth [ 5659.702970] retire_capture_urb: 140 callbacks suppressed [ 5775.552402] usb 2-1.4: USB disconnect, device number 4 [ 5779.333175] usb 3-2: new full-speed USB device number 2 using xhci_hcd [ 5779.392795] xhci_hcd 0000:05:00.0: ERROR: unexpected command completion code 0x11. [ 5779.392814] usb 3-2: Not enough bandwidth for altsetting 1 [ 5779.393001] xhci_hcd 0000:05:00.0: ERROR: unexpected command completion code 0x11. [ 5779.393013] usb 3-2: Not enough bandwidth for altsetting 2 [ 5779.499483] xhci_hcd 0000:05:00.0: ERROR: unexpected command completion code 0x11. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1000811 Title: [USB-Audio - Razer Megalodon, playback] Underruns, dropouts or crackling sound Status in “alsa-driver” package in Ubuntu: Confirmed Bug description: Intermittantly, the Sound Configuration settings finds the headset with input and output, but 9/10 times it is used as "1 Input / Analogue Mono Input". dmesg, when the card is plugged into a USB 3.0 port says: [ 5860.928881] usb 3-2: Not enough bandwidth for altsetting 1 [ 5860.928886] 2:2:1: usb_set_interface failed [ 5860.929552] xhci_hcd 0000:05:00.0: ERROR: unexpected command completion code 0x11. [ 5860.929563] usb 3-2: Not enough bandwidth for altsetting 1 [ 5860.929567] 2:2:1: usb_set_interface failed [ 5860.930484] xhci_hcd 0000:05:00.0: ERROR: unexpected command completion code 0x11. [ 5860.930496] usb 3-2: Not enough bandwidth for altsetting 1 [ 5860.930501] 2:2:1: usb_set_interface failed [ 5860.931486] xhci_hcd 0000:05:00.0: ERROR: unexpected command completion code 0x11. [ 5860.931498] usb 3-2: Not enough bandwidth for altsetting 1 [ 5860.931503] 2:2:1: usb_set_interface failed [ 5960.465649] xhci_hcd 0000:05:00.0: ERROR: unexpected command completion code 0x11. [ 5960.465671] usb 3-2: Not enough bandwidth for altsetting 2 [ 5960.465677] 2:2:2: usb_set_interface failed ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: alsa-base 1.0.25+dfsg-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14 Uname: Linux 3.2.0-24-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu7 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: paul 3725 F.... pulseaudio /dev/snd/pcmC1D0c: paul 3725 F...m pulseaudio /dev/snd/controlC0: paul 3725 F.... pulseaudio Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xd1b00000 irq 52' Mixer name : 'Intel CougarPoint HDMI' Components : 'HDA:10ec0269,10250504,00100100 HDA:80862805,80860101,00100000' Controls : 26 Simple ctrls : 12 Card1.Amixer.info: Card hw:1 'Megalodon'/'Razer Razer Megalodon at usb-0000:05:00.0-2, full speed' Mixer name : 'USB Mixer' Components : 'USB1532:000e' Controls : 1 Simple ctrls : 1 Card1.Amixer.values: Simple mixer control 'PCM',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] Date: Fri May 18 01:27:22 2012 EcryptfsInUse: Yes InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120327.1) PackageArchitecture: all ProcEnviron: LANGUAGE=en_AU:en TERM=xterm PATH=(custom, no user) LANG=en_AU.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Megalodon failed Symptom_AlsaPlaybackTestStderr: U n a b l e t o s e t h w p a r a m s f o r p l a y b a c k : I n p u t / o u t p u t e r r o r Symptom_Card: Razer Megalodon - Razer Megalodon Symptom_Type: Underruns, dropouts, or "crackling" sound Title: [USB-Audio - Razer Megalodon, playback] Underruns, dropouts or crackling sound UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/25/2011 dmi.bios.vendor: Acer dmi.bios.version: V1.10 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: JE50_HR dmi.board.vendor: Acer dmi.board.version: Base Board Version dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V1.10 dmi.modalias: dmi:bvnAcer:bvrV1.10:bd04/25/2011:svnAcer:pnAspire5750G:pvrV1.10:rvnAcer:rnJE50_HR:rvrBaseBoardVersion:cvnAcer:ct10:cvrV1.10: dmi.product.name: Aspire 5750G dmi.product.version: V1.10 dmi.sys.vendor: Acer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1000811/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
