Re: [Xen-devel] vsnd issue

[Oleksandr Andrushchenko <andr2000@xxxxxxxxx>]

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?
> > > 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.
> > >
> > > _______________________________________________
> > > Xen-devel mailing list
> > > Xen-devel@xxxxxxxxxxxxxxxxxxxx
> > >
> > > https://urldefense.com/v3/__https://lists.xenproject.org/mailman/listinfo/xen-devel__;!K6dmGCEab4ueJg!iTeJON61Y2nUcGMQr_y7-27bR_QlOG8gXqvRMaU8yy8nJuDhzWizylvl_6stD-ILOQ$
> > >   
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[1] 
https://elixir.bootlin.com/linux/v5.4-rc8/source/sound/xen/xen_snd_front_alsa.c#L685 

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