Re: SNDRV_PCM_IOCTL_READI_FRAMES returns EIO

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On Fri, 11 Jun 2021 09:02:44 +0200,
Muni Sekhar wrote:
> 
> Hi all,
> 
> I am using a USB sound card(snd-usb-audio), and it fails while doing
> the audio recording "arecord: pcm_read:2032: read error: Input/output
> error".
> 
>  I noticed recording(arecord) audio data on a USB sound card fails at
> SNDRV_PCM_IOCTL_READI_FRAMES is giving EIO.
> 
> Can someone please clarify when the kernel returns EIO for Ioctl
> SNDRV_PCM_IOCTL_READI_FRAMES? and is there a workaround for this?

It's a problem of either your device (e.g. USB device firmware) or the
kernel.  Do you get any relevant kernel error messages?


Takashi



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