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Re: [Xen-devel] vsnd issue

  • To: Oleksandr Andrushchenko <andr2000@xxxxxxxxx>, Artem Mygaiev <Artem_Mygaiev@xxxxxxxx>, Oleksandr Andrushchenko <Oleksandr_Andrushchenko@xxxxxxxx>
  • From: Peng Fan <peng.fan@xxxxxxx>
  • Date: Mon, 25 Nov 2019 12:22:08 +0000
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  • Cc: "sstabellini@xxxxxxxxxx" <sstabellini@xxxxxxxxxx>, "julien@xxxxxxx" <julien@xxxxxxx>, "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>
  • Delivery-date: Mon, 25 Nov 2019 12:22:19 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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  • Thread-topic: [Xen-devel] vsnd issue
> Cc: sstabellini@xxxxxxxxxx; julien@xxxxxxx; xen-devel@xxxxxxxxxxxxx
> Subject: Re: [Xen-devel] vsnd issue
> 
> On 11/25/19 12:40 PM, Artem Mygaiev wrote:
> > Hello Peng Fan
> >
> > Please contact Oleksandr Andrushchenko (added to this thread) on this
> > issue.
> >
> >   -- Artem
> >
> > On Mon, 2019-11-25 at 10:24 +0000, Julien Grall wrote:
> >> On 25/11/2019 10:19, Peng Fan wrote:
> >>> Hi All,
> >> Hi,
> >>
> >>> I am trying vsnd from xen-troops with xen 4.13 and Linux 5.4, but
> >>> domu reports:
> >> xen-troops is not part of Xen Project. Please contact the owner of
> >> the repo for any help here.
> >>
> >> I have CCed Artem who should be able to point to the author of vsnd.
> >>
> >> Best regards,
> >>
> >>> aplay compl.mp3
> Hm, could you please try the same with wav and not mp3 and get back with
> the logs?

Same issue.
aplay hu01_48k.wav
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

Is there any limitation with current vsnd? Is there any plan to upstream 
libxenbe and snd_be
to xen?

Thanks,
Peng.

> >>> 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 frontend does not support mmap because of [1], so this is expected
> >>> 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'
> >>>           ],
> >>>       ]
> Config seems to be ok
> >>> 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.
> >>>
> >>> _______________________________________________
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