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Re: Enable audio virtualization in Xen

  • To: "olekstysh@xxxxxxxxx" <olekstysh@xxxxxxxxx>
  • From: "SHARMA, JYOTIRMOY" <JYOTIRMOY.SHARMA@xxxxxxx>
  • Date: Thu, 1 Sep 2022 07:28:22 +0000
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  • Cc: "SHARMA, JYOTIRMOY" <JYOTIRMOY.SHARMA@xxxxxxx>, "christopher.w.clark@xxxxxxxxx" <christopher.w.clark@xxxxxxxxx>, "dpsmith@xxxxxxxxxxxxxxxxxxxx" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, "Stabellini, Stefano" <stefano.stabellini@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "xen-users@xxxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Thu, 01 Sep 2022 07:28:44 +0000
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  • Thread-topic: Re: Enable audio virtualization in Xen

[AMD Official Use Only - General]


Hi Oleksandr, Christopher and others,

 

I am trying to enable audio playback from HVM guest as per discussion above using ALSA as back end.

 

I have compiled and installed libxenbe (https://github.com/xen-troops/libxenbe) and snd_be (https://github.com/xen-troops/snd_be).

Following is my vsnd detail in the HVM configuration file:

 

vsnd = [[ 'card, backend=Domain-0, buffer-size=65536, short-name=VCard, long-name=Virtual sound card, sample-rates=44100, sample-formats=s16_le', 'pcm, name=dev1', 'stream, unique-id=alsa<default>, type=P' ]]

 

Here is the virtual card listed in HVM guest:

amd@amd-HVM-domU:~$ aplay -l

**** List of PLAYBACK Hardware Devices ****

card 0: vsnd [], device 0: dev1 [Virtual card PCM]

  Subdevices: 0/1

  Subdevice #0: subdevice #0

 

I am trying to play audio in guest HVM using aplay command: aplay sample.wav. However, I am not able to hear any audio in this case.

 

Please note that if I play the wave file from dom 0 using the same command, audio can be heard. This means that audio is working fine in the dom 0 using default card.

 

Below is the log from snd_be. Has anyone tried ALSA back end before? If yes, can you help me in understanding the issue here?

 

01.09.22 12:46:37.240 | Main | INF - backend version:  v0.2.1-6-gb276

01.09.22 12:46:37.240 | Main | INF - libxenbe version: v0.2.1-11-g2e55-dirty

01.09.22 12:46:37.240 | XenStore | DBG - Create xen store

01.09.22 12:46:37.240 | XenStore | DBG - Read string domid : 0

01.09.22 12:46:37.240 | XenStore | DBG - Read int domid : 0

01.09.22 12:46:37.241 | SndBackend | DBG - Create backend, device: vsnd, dom Id: 0

01.09.22 12:46:37.241 | XenStore   | DBG - Start

01.09.22 12:46:37.241 | XenStore   | DBG - Set watch: /local/domain/0/backend/vsnd

01.09.22 12:46:37.241 | XenStore   | DBG - Watch triggered: /local/domain/0/backend/vsnd

01.09.22 12:46:50.469 | XenStore   | DBG - Watch triggered: /local/domain/0/backend/vsnd

01.09.22 12:46:50.470 | XenStore   | DBG - Set watch: /local/domain/0/backend/vsnd/1

01.09.22 12:46:50.470 | XenStore   | DBG - Watch triggered: /local/domain/0/backend/vsnd

01.09.22 12:46:50.470 | XenStore   | DBG - Watch triggered: /local/domain/0/backend/vsnd

01.09.22 12:46:50.471 | XenStore   | DBG - Watch triggered: /local/domain/0/backend/vsnd

01.09.22 12:46:50.471 | XenStore   | DBG - Watch triggered: /local/domain/0/backend/vsnd

01.09.22 12:46:50.471 | XenStore   | DBG - Watch triggered: /local/domain/0/backend/vsnd

01.09.22 12:46:50.472 | XenStore   | DBG - Watch triggered: /local/domain/0/backend/vsnd/1

01.09.22 12:46:50.472 | SndBackend | DBG - New frontend found, domid: 1, devid: 0

01.09.22 12:46:50.472 | XenStore   | DBG - Create xen store

01.09.22 12:46:50.472 | SndFrontend | DBG - Dom(1/0) Create frontend handler

01.09.22 12:46:50.473 | XenStore    | DBG - Read string /local/domain/1/device/vsnd/0/backend : /local/domain/0/backend/vsnd/1/0

01.09.22 12:46:50.473 | SndFrontend | DBG - Frontend path: /local/domain/1/device/vsnd/0

01.09.22 12:46:50.473 | SndFrontend | DBG - Backend path:  /local/domain/0/backend/vsnd/1/0

01.09.22 12:46:50.473 | XenStore    | DBG - Read string /local/domain/0/backend/vsnd/1/0/state : 1

01.09.22 12:46:50.473 | XenStore    | DBG - Read int /local/domain/0/backend/vsnd/1/0/state : 1

01.09.22 12:46:50.473 | SndFrontend | INF - Close

01.09.22 12:46:50.473 | SndFrontend | INF - Dom(1/0) Set backend state to: [Closing]

01.09.22 12:46:50.473 | XenStore    | DBG - Write int /local/domain/0/backend/vsnd/1/0/state : 5

01.09.22 12:46:50.473 | XenStore    | DBG - Write string /local/domain/0/backend/vsnd/1/0/state : 5

01.09.22 12:46:50.473 | SndFrontend | INF - Dom(1/0) Set backend state to: [Closed]

01.09.22 12:46:50.473 | XenStore    | DBG - Write int /local/domain/0/backend/vsnd/1/0/state : 6

01.09.22 12:46:50.474 | XenStore    | DBG - Write string /local/domain/0/backend/vsnd/1/0/state : 6

01.09.22 12:46:50.474 | SndFrontend | INF - Dom(1/0) Set backend state to: [Initializing]

01.09.22 12:46:50.474 | XenStore    | DBG - Write int /local/domain/0/backend/vsnd/1/0/state : 1

01.09.22 12:46:50.474 | XenStore    | DBG - Write string /local/domain/0/backend/vsnd/1/0/state : 1

01.09.22 12:46:50.474 | PulseMainloop | DBG - Init

01.09.22 12:46:50.477 | PulseMainloop | DBG - Context is ready

01.09.22 12:46:50.477 | XenStore      | DBG - Set watch: /local/domain/0/backend/vsnd/1/0

01.09.22 12:46:50.477 | XenStore      | DBG - Set watch: /local/domain/1/device/vsnd/0/state

01.09.22 12:46:50.478 | XenStore      | DBG - Set watch: /local/domain/0/backend/vsnd/1/0/state

01.09.22 12:46:50.478 | XenStore      | DBG - Start

01.09.22 12:46:50.478 | XenStore      | DBG - Watch triggered: /local/domain/0/backend/vsnd

01.09.22 12:46:50.478 | XenStore      | DBG - Watch triggered: /local/domain/1/device/vsnd/0/state

01.09.22 12:46:50.478 | XenStore      | DBG - Watch triggered: /local/domain/0/backend/vsnd/1

01.09.22 12:46:50.478 | XenStore      | DBG - Read string /local/domain/1/device/vsnd/0/state : 1

01.09.22 12:46:50.478 | XenStore      | DBG - Read int /local/domain/1/device/vsnd/0/state : 1

01.09.22 12:46:50.478 | SndFrontend   | INF - Dom(1/0) Frontend state changed to: [Initializing]

01.09.22 12:46:50.478 | XenStore      | DBG - Watch triggered: /local/domain/0/backend/vsnd

01.09.22 12:46:50.478 | SndFrontend   | INF - Dom(1/0) Set backend state to: [InitWait]

01.09.22 12:46:50.479 | XenStore      | DBG - Watch triggered: /local/domain/0/backend/vsnd/1

01.09.22 12:46:50.479 | XenStore      | DBG - Write int /local/domain/0/backend/vsnd/1/0/state : 2

01.09.22 12:46:50.479 | XenStore      | DBG - Write string /local/domain/0/backend/vsnd/1/0/state : 2

01.09.22 12:46:50.479 | XenStore      | DBG - Watch triggered: /local/domain/0/backend/vsnd/1/0/state

01.09.22 12:46:50.479 | XenStore      | DBG - Watch triggered: /local/domain/0/backend/vsnd

01.09.22 12:46:50.479 | XenStore      | DBG - Watch triggered: /local/domain/0/backend/vsnd/1

01.09.22 12:46:50.479 | XenStore      | DBG - Read string /local/domain/0/backend/vsnd/1/0/state : 2

01.09.22 12:46:50.479 | XenStore      | DBG - Read int /local/domain/0/backend/vsnd/1/0/state : 2

01.09.22 12:46:50.479 | XenStore      | DBG - Watch triggered: /local/domain/0/backend/vsnd/1/0/state

01.09.22 12:46:50.479 | XenStore      | DBG - Watch triggered: /local/domain/0/backend/vsnd/1/0

01.09.22 12:46:50.479 | SndBackend    | DBG - Frontend path changed: /local/domain/0/backend/vsnd/1/0

01.09.22 12:46:50.479 | XenStore      | DBG - Read string /local/domain/0/backend/vsnd/1/0/state : 2

01.09.22 12:46:50.479 | XenStore      | DBG - Watch triggered: /local/domain/0/backend/vsnd

01.09.22 12:46:50.480 | XenStore      | DBG - Read int /local/domain/0/backend/vsnd/1/0/state : 2

01.09.22 12:46:50.480 | XenStore      | DBG - Watch triggered: /local/domain/0/backend/vsnd/1

01.09.22 12:46:50.480 | XenStore      | DBG - Watch triggered: /local/domain/0/backend/vsnd/1/0

01.09.22 12:46:50.480 | SndBackend    | DBG - Frontend path changed: /local/domain/0/backend/vsnd/1/0

01.09.22 12:47:03.021 | XenStore      | DBG - Watch triggered: /local/domain/1/device/vsnd/0/state

01.09.22 12:47:03.022 | XenStore      | DBG - Read string /local/domain/1/device/vsnd/0/state : 3

01.09.22 12:47:03.022 | XenStore      | DBG - Read int /local/domain/1/device/vsnd/0/state : 3

01.09.22 12:47:03.022 | SndFrontend   | INF - Dom(1/0) Frontend state changed to: [Initialized]

01.09.22 12:47:03.022 | SndFrontend   | DBG - onBind

01.09.22 12:47:03.022 | SndFrontend   | DBG - Found device: 0

01.09.22 12:47:03.022 | SndFrontend   | DBG - Found stream: 0

01.09.22 12:47:03.022 | XenStore      | DBG - Read string /local/domain/1/device/vsnd/0/0/0/unique-id : alsa<default>

01.09.22 12:47:03.022 | XenStore      | DBG - Read string /local/domain/1/device/vsnd/0/0/0/type : p

01.09.22 12:47:03.023 | XenStore      | DBG - Read string /local/domain/1/device/vsnd/0/0/0/event-channel : 31

01.09.22 12:47:03.023 | XenStore      | DBG - Read int /local/domain/1/device/vsnd/0/0/0/event-channel : 31

01.09.22 12:47:03.023 | XenStore      | DBG - Read string /local/domain/1/device/vsnd/0/0/0/ring-ref : 321

01.09.22 12:47:03.023 | XenStore      | DBG - Read int /local/domain/1/device/vsnd/0/0/0/ring-ref : 321

01.09.22 12:47:03.023 | XenStore      | DBG - Read string /local/domain/1/device/vsnd/0/0/0/evt-event-channel : 32

01.09.22 12:47:03.023 | XenStore      | DBG - Read int /local/domain/1/device/vsnd/0/0/0/evt-event-channel : 32

01.09.22 12:47:03.023 | XenStore      | DBG - Read string /local/domain/1/device/vsnd/0/0/0/evt-ring-ref : 1437

01.09.22 12:47:03.023 | XenStore      | DBG - Read int /local/domain/1/device/vsnd/0/0/0/evt-ring-ref : 1437

01.09.22 12:47:03.024 | XenEvtchn     | DBG - Create event channel, dom: 1, remote port: 32, local port: 76

01.09.22 12:47:03.024 | XenGnttabBuffer | DBG - Create grant table buffer, dom: 1, count: 1, ref: 1437, buffer offset: 0

01.09.22 12:47:03.024 | RingBuffer      | DBG - Create ring buffer, port: 32, ref: 1437

01.09.22 12:47:03.024 | SndFrontend     | INF - Dom(1/0) Add ring buffer, ref: 1437, port: 32

01.09.22 12:47:03.024 | XenEvtchn       | DBG - Start event channel, port: 76

01.09.22 12:47:03.024 | SndFrontend     | DBG - Parse stream id: alsa<default>

01.09.22 12:47:03.024 | SndFrontend     | DBG - Create pcm device, type: ALSA, device: default, propName: , propValue:

01.09.22 12:47:03.024 | AlsaPcm         | DBG - Create pcm device: default

01.09.22 12:47:03.024 | XenEvtchn       | DBG - Event received, port: 76

01.09.22 12:47:03.024 | XenEvtchn       | DBG - Create event channel, dom: 1, remote port: 31, local port: 77

01.09.22 12:47:03.024 | XenGnttabBuffer | DBG - Create grant table buffer, dom: 1, count: 1, ref: 321, buffer offset: 0

01.09.22 12:47:03.024 | RingBuffer      | DBG - Create ring buffer, port: 31, ref: 321

01.09.22 12:47:03.024 | CommandHandler  | DBG - Create command handler, dom: 1

01.09.22 12:47:03.024 | StreamRing      | DBG - Create stream ring buffer, id: alsa<default>

01.09.22 12:47:03.024 | SndFrontend     | INF - Dom(1/0) Add ring buffer, ref: 321, port: 31

01.09.22 12:47:03.024 | XenEvtchn       | DBG - Start event channel, port: 77

01.09.22 12:47:03.024 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:03.025 | SndFrontend     | INF - Dom(1/0) Set backend state to: [Connected]

01.09.22 12:47:03.025 | XenStore        | DBG - Write int /local/domain/0/backend/vsnd/1/0/state : 4

01.09.22 12:47:03.025 | XenStore        | DBG - Write string /local/domain/0/backend/vsnd/1/0/state : 4

01.09.22 12:47:03.026 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vsnd/1/0/state

01.09.22 12:47:03.026 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vsnd

01.09.22 12:47:03.026 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vsnd/1

01.09.22 12:47:03.026 | XenStore        | DBG - Read string /local/domain/0/backend/vsnd/1/0/state : 4

01.09.22 12:47:03.026 | XenStore        | DBG - Read int /local/domain/0/backend/vsnd/1/0/state : 4

01.09.22 12:47:03.026 | XenStore        | DBG - Watch triggered: /local/domain/0/backend/vsnd/1/0

01.09.22 12:47:03.026 | SndBackend      | DBG - Frontend path changed: /local/domain/0/backend/vsnd/1/0

01.09.22 12:47:03.034 | XenStore        | DBG - Watch triggered: /local/domain/1/device/vsnd/0/state

01.09.22 12:47:03.034 | XenStore        | DBG - Read string /local/domain/1/device/vsnd/0/state : 4

01.09.22 12:47:03.034 | XenStore        | DBG - Read int /local/domain/1/device/vsnd/0/state : 4

01.09.22 12:47:03.034 | SndFrontend     | INF - Dom(1/0) Frontend state changed to: [Connected]

01.09.22 12:47:04.390 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.390 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.390 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.390 | AlsaPcm         | DBG - Opening pcm device for queries: default

01.09.22 12:47:04.395 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.395 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.395 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.395 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.395 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.395 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.395 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.395 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.395 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.395 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.395 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.395 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.395 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.395 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.395 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.396 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.396 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.396 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.396 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.396 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.396 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.396 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.396 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.396 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.396 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.396 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.396 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.396 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.396 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.396 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.396 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.396 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.396 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.396 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.396 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.396 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.396 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.396 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.396 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.396 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.397 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.397 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.397 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.397 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.397 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.397 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.397 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.397 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.397 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.397 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.397 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.397 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.397 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.397 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.397 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.397 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.397 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.397 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.397 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.397 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.397 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.397 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.397 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.397 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.397 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.397 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.398 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.398 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.398 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.398 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.398 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.398 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.398 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.398 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.398 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.398 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.398 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.398 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.398 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.398 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.398 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.398 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.398 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.398 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.398 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.398 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.398 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.398 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.398 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.398 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.398 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.398 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.398 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.398 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.398 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.399 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.399 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.399 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.399 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.399 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.399 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.399 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.399 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.399 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.399 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.399 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.399 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.399 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.399 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.399 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.399 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.399 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.399 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.399 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.399 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.399 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.399 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.399 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.399 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.399 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.399 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.399 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.399 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.402 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.402 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.402 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.402 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.402 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.402 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.406 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.406 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.406 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.406 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.406 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.406 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.408 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.408 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:0

01.09.22 12:47:04.408 | CommandHandler  | DBG - Handle command [OPEN]

01.09.22 12:47:04.408 | CommandHandler  | DBG - Get buffer refs, directory: 316, size: 17632, in grefs: 5

01.09.22 12:47:04.408 | XenGnttabBuffer | DBG - Create grant table buffer, dom: 1, count: 1, ref: 316, buffer offset: 0

01.09.22 12:47:04.409 | CommandHandler  | DBG - Gref address: 0x7fd1ea112004, numGrefs 5

01.09.22 12:47:04.409 | XenGnttabBuffer | DBG - Delete grant table buffer

01.09.22 12:47:04.409 | CommandHandler  | DBG - Get buffer refs, num refs: 5

01.09.22 12:47:04.409 | XenGnttabBuffer | DBG - Create grant table buffer, dom: 1, count: 5, ref: 1485, buffer offset: 0

01.09.22 12:47:04.409 | AlsaPcm         | DBG - Open pcm device: default

01.09.22 12:47:04.409 | AlsaPcm         | DBG - Close pcm query device: default

01.09.22 12:47:04.410 | AlsaPcm         | DBG - Format: S16_LE, rate: 44100, channels: 2, period: 4408, buffer: 17632

01.09.22 12:47:04.666 | AlsaPcm         | DBG - Playback supports audio default timestamps

01.09.22 12:47:04.668 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.669 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.681 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.681 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:1

01.09.22 12:47:04.681 | CommandHandler  | DBG - Handle command [CLOSE]

01.09.22 12:47:04.681 | XenGnttabBuffer | DBG - Delete grant table buffer

01.09.22 12:47:04.681 | AlsaPcm         | DBG - Close pcm device: default

01.09.22 12:47:04.684 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.685 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.689 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.689 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.689 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.689 | AlsaPcm         | DBG - Opening pcm device for queries: default

01.09.22 12:47:04.691 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.691 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.691 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.694 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.694 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.694 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.694 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.694 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.694 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.695 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.696 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.696 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.696 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.696 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.696 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.699 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.699 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.699 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.699 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.699 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.699 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.699 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.699 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.700 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.700 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.700 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.700 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.700 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.700 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.700 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.700 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.700 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.700 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.700 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.700 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.700 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.700 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.701 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.701 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.701 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.701 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.701 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.701 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.701 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.701 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.701 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.701 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.701 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.701 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.701 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.701 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.701 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.701 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.701 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.701 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.702 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.702 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.702 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.702 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.702 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.702 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.702 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.702 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.702 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.702 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.702 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.702 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.702 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.702 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.703 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.703 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.703 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.703 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.703 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.703 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.703 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.703 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.703 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.703 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.703 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.703 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.703 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.703 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.704 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.704 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.704 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.704 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.704 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.704 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.704 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.704 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.704 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.704 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.704 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.704 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.704 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.704 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.704 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.704 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.704 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.704 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.704 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.704 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.704 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.704 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.705 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.705 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.705 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.705 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.705 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.705 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.705 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.705 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.705 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.705 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.705 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.705 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.705 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.705 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.705 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.705 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.705 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.705 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.705 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.705 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.705 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.705 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.706 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.706 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.706 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.706 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.706 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.706 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.706 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.706 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.706 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.706 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:0

01.09.22 12:47:04.706 | CommandHandler  | DBG - Handle command [OPEN]

01.09.22 12:47:04.706 | CommandHandler  | DBG - Get buffer refs, directory: 326, size: 17632, in grefs: 5

01.09.22 12:47:04.706 | XenGnttabBuffer | DBG - Create grant table buffer, dom: 1, count: 1, ref: 326, buffer offset: 0

01.09.22 12:47:04.706 | CommandHandler  | DBG - Gref address: 0x7fd1ea112004, numGrefs 5

01.09.22 12:47:04.707 | XenGnttabBuffer | DBG - Delete grant table buffer

01.09.22 12:47:04.707 | CommandHandler  | DBG - Get buffer refs, num refs: 5

01.09.22 12:47:04.707 | XenGnttabBuffer | DBG - Create grant table buffer, dom: 1, count: 5, ref: 319, buffer offset: 0

01.09.22 12:47:04.707 | AlsaPcm         | DBG - Open pcm device: default

01.09.22 12:47:04.707 | AlsaPcm         | DBG - Close pcm query device: default

01.09.22 12:47:04.708 | AlsaPcm         | DBG - Format: S16_LE, rate: 44100, channels: 2, period: 4408, buffer: 17632

01.09.22 12:47:04.710 | AlsaPcm         | DBG - Playback supports audio default timestamps

01.09.22 12:47:04.712 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.712 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.712 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.712 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.712 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.712 | AlsaPcm         | DBG - Opening pcm device for queries: default

01.09.22 12:47:04.715 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.715 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.715 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.715 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.715 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.715 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.715 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.715 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.715 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.715 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.715 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.715 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.715 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.715 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.715 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.716 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.716 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.716 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.716 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.716 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.716 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.716 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.716 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.716 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.716 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.716 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.716 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.716 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.716 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.716 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.716 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.716 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.716 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.716 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.716 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.716 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.717 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.717 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.717 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.717 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.717 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.717 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.717 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.717 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.717 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.717 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.717 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.717 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.717 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.717 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.717 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.718 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.718 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.718 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.718 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.718 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.718 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.718 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.718 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.718 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.718 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.718 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.718 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.718 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.718 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:9

01.09.22 12:47:04.718 | CommandHandler  | DBG - Handle command [QUERY_HW_PARAM]

01.09.22 12:47:04.718 | AlsaPcm         | DBG - Query pcm device default for HW parameters

01.09.22 12:47:04.718 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.718 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.727 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.727 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:3

01.09.22 12:47:04.727 | CommandHandler  | DBG - Handle command [WRITE]

01.09.22 12:47:04.727 | AlsaPcm         | DBG - Write to pcm device: default, size: 4408

01.09.22 12:47:04.727 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.727 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.729 | XenEvtchn       | DBG - Event received, port: 77

01.09.22 12:47:04.729 | StreamRing      | DBG - Request received, id: alsa<default>, cmd:8

01.09.22 12:47:04.729 | CommandHandler  | DBG - Handle command [TRIGGER][START]

01.09.22 12:47:04.729 | AlsaPcm         | DBG - Start

01.09.22 12:47:04.731 | CommandHandler  | DBG - Return status: [0]

01.09.22 12:47:04.731 | XenEvtchn       | DBG - Notify event channel, port: 77

01.09.22 12:47:04.756 | AlsaPcm         | DBG - Frame: 0, bytes: 17632, state: 4

01.09.22 12:47:04.756 | RingBuffer      | DBG - Send event, port: 32, prod: 0, cons: 0, num events: 63

01.09.22 12:47:04.756 | XenEvtchn       | DBG - Notify event channel, port: 76

01.09.22 12:47:04.780 | AlsaPcm         | DBG - Frame: 0, bytes: 17632, state: 4

01.09.22 12:47:04.780 | RingBuffer      | DBG - Send event, port: 32, prod: 1, cons: 1, num events: 63

01.09.22 12:47:04.780 | XenEvtchn       | DBG - Notify event channel, port: 76

 

 

 

Regards,

Jyotirmoy

 

 

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