[fedora-arm] Re: Kernel update has lost XMOS USB hardware

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On Fri, Jul 9, 2021 at 1:30 PM David W. Legg <dwlegg@gmail.com> wrote:
>
> On 09/07/2021 12:38, Peter Robinson wrote:
> > Adding arm@ list back in.
> >
> > On Fri, Jul 9, 2021 at 12:37 PM Peter Robinson<pbrobinson@gmail.com> wrote:
> >> On Fri, Jul 9, 2021 at 12:30 PM David W. Legg<dwlegg@gmail.com> wrote:
> >>> On 09/07/2021 11:24, Peter Robinson wrote:
> >>>
> >>>> On Fri, Jul 9, 2021 at 10:10 AM David W. Legg<dwlegg@gmail.com> wrote:
> >>>>> I tried updating my Fedora 34 kernel from-
> >>>>>
> >>>>> 5.11.17-300
> >>>>>
> >>>>> to
> >>>>>
> >>>>> 5.12.14-300
> >>>>>
> >>>>> and it no longer recognises my XMOS USB device:
> >>>>>
> >>>>> $ cat /proc/asound/cards
> >>>>>
> >>>>> 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA
> >>>>> bcm2835 ALSA
> >>>>> 1 [vc4hdmi0 ]: vc4-hdmi - vc4-hdmi-0
> >>>>> vc4-hdmi-0
> >>>>> 2 [vc4hdmi1 ]: vc4-hdmi - vc4-hdmi-1
> >>>>> vc4-hdmi-1
> >>>>> 4 [H20 ]: USB-Audio - HU300 HiFi 2.0
> >>>>> Yunyue Audio HU300 HiFi 2.0 at usb-0000:01:00.0-1.3, high speed
> >>>>>
> >>>>> So, device number 4 is missing with the 5.12.14-300 kernel.
> >>>>>
> >>>>> Given that the rpi4 is not yet supported, whom should I tell about this apparent bug, please?
> >>>> What's a "XMOS USB hardware"? I doubt being USB it's specific to the
> >>>> RPi4, does it work on another devices such as an x86 device? Can you
> >>>> give more information about the device, what driver does it use when
> >>>> it worked, what's the output of the lsusb line for it etc.
> >>> Thanks, for replying, Peter.
> >>>
> >>> It is the sound card #4 mentioned above, labelled H20. It is a USB to
> >>> I2S audio interface to an ES9038 DAC.
> >>>
> >>> I can try it with an x86_64 PC when a new card arrives at some point in
> >>> the future.
> >> I don't know what you mean by that.
> >>
> >>> lsusb says it is this:-
> >>>
> >>> Bus 001 Device 003: ID 20b1:0008 XMOS Ltd HU300 HiFi 2.0
> >>>
> >>>
> >>> It uses the snd_usb_audio driver, according to lsmod.
> >>>
> >>> Should I just report it on Bugzilla, saying that it is
> >>> hardware-non-specific?
> >> Do other USB devices work in the RPi?
> >>
> >> Was this an upgrade from and older Fedora release at some point in the
> >> past? If so does running rpi-uboot-update and rebooting fix it?
>
> It was a fresh F34 installation some months ago, but with minimal updates.
>
> Last week updated just the kernel and my usb audio card was not recognised.

As asked above do other USB devices still work?

> Yesterday, I updated everything, with the same results.

Did you run rpi-uboot-update?
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