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[Xen-devel] vsnd issue

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Date: Mon, 25 Nov 2019 10:19:08 +0000

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Cc: "julien.grall@xxxxxxx" <julien.grall@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>

Delivery-date: Mon, 25 Nov 2019 10:19:16 +0000

List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

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Thread-topic: vsnd issue

Hi All, I am trying vsnd from xen-troops with xen 4.13 and Linux 5.4, but domu reports: aplay compl.mp3 ALSA lib ../../../alsa-lib-1.1.9/src/pcm/pcm_direct.c:1156:(snd1_pcm_direct_initialize_slave) slave plugin does not support mmap interleaved or mmap noninterleaved access ALSA lib ../../../alsa-lib-1.1.9/src/pcm/pcm_dmix.c:1120:(snd_pcm_dmix_open) unable to initialize slave aplay: main:828: audio open error: Invalid argument When executing aplay in domu, dom0 side log: root@imx8qmmek:~# 13.11.19 08:24:57.484 | XenEvtchn | DBG - Event received, port: 10 13.11.19 08:24:57.491 | StreamRing | DBG - Request received, id: alsa<hw:2;0>, cmd:9 13.11.19 08:24:57.500 | CommandHandler | DBG - Handle command [QUERY_HW_PARAM] 13.11.19 08:24:57.508 | AlsaPcm | DBG - Query pcm device hw:2,0 for HW parameters 13.11.19 08:24:57.516 | CommandHandler | DBG - Return status: [0] 13.11.19 08:24:57.523 | XenEvtchn | DBG - Notify event channel, port: 10 13.11.19 08:24:57.531 | XenEvtchn | DBG - Event received, port: 10 13.11.19 08:24:57.538 | StreamRing | DBG - Request received, id: alsa<hw:2;0>, cmd:9 13.11.19 08:24:57.546 | CommandHandler | DBG - Handle command [QUERY_HW_PARAM] 13.11.19 08:24:57.554 | AlsaPcm | DBG - Query pcm device hw:2,0 for HW parameters 13.11.19 08:24:57.563 | CommandHandler | DBG - Return status: [0] 13.11.19 08:24:57.570 | XenEvtchn | DBG - Notify event channel, port: 10 13.11.19 08:24:57.577 | XenEvtchn | DBG - Event received, port: 10 13.11.19 08:24:57.584 | StreamRing | DBG - Request received, id: alsa<hw:2;0>, cmd:9 13.11.19 08:24:57.593 | CommandHandler | DBG - Handle command [QUERY_HW_PARAM] 13.11.19 08:24:57.601 | AlsaPcm | DBG - Query pcm device hw:2,0 for HW parameters 13.11.19 08:24:57.610 | CommandHandler | DBG - Return status: [0] 13.11.19 08:24:57.616 | XenEvtchn | DBG - Notify event channel, port: 10 13.11.19 08:24:57.624 | XenEvtchn | DBG - Event received, port: 10 13.11.19 08:24:57.631 | StreamRing | DBG - Request received, id: alsa<hw:2;0>, cmd:9 13.11.19 08:24:57.640 | CommandHandler | DBG - Handle command [QUERY_HW_PARAM] 13.11.19 08:24:57.647 | AlsaPcm | DBG - Query pcm device hw:2,0 for HW parameters 13.11.19 08:24:57.656 | CommandHandler | DBG - Return status: [0] 13.11.19 08:24:57.663 | XenEvtchn | DBG - Notify event channel, port: 10 13.11.19 08:24:57.671 | XenEvtchn | DBG - Event received, port: 10 13.11.19 08:24:57.678 | StreamRing | DBG - Request received, id: alsa<hw:2;0>, cmd:9 13.11.19 08:24:57.686 | CommandHandler | DBG - Handle command [QUERY_HW_PARAM] 13.11.19 08:24:57.694 | AlsaPcm | DBG - Query pcm device hw:2,0 for HW parameters 13.11.19 08:24:57.703 | CommandHandler | DBG - Return status: [0] 13.11.19 08:24:57.709 | XenEvtchn | DBG - Notify event channel, port: 10 My xl.cfg: vsnd = [ ['CARD, short-name=Main, sample-formats=s16_le;s8;u32_be', 'PCM, name=Main', 'STREAM, unique-id=alsa<hw:2;0>, type=p', 'STREAM, unique-id=alsa<hw:2;1>, type=c, channels-max=2' ], ] The audio device on my board: aplay -l **** List of PLAYBACK Hardware Devices **** card 0: imxaudmix [imx-audmix], device 0: HiFi-AUDMIX-FE (*) [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: imxaudmix [imx-audmix], device 1: HiFi-AUDMIX-FE (*) [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: cs42888audio [cs42888-audio], device 0: HiFi cs42888-0 [HiFi cs42888-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: cs42888audio [cs42888-audio], device 1: HiFi-ASRC-FE (*) [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: wm8960audio [wm8960-audio], device 0: HiFi wm8960-hifi-0 [] Subdevices: 0/1 Subdevice #0: subdevice #0 Is there something wrong in my configuration? Thanks, Peng. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel

Follow-Ups:

Re: [Xen-devel] vsnd issue
- From: Julien Grall

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