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

On 11/07/2021 14:19, Peter Robinson wrote:
> On Fri, Jul 9, 2021 at 2:44 PM David W. Legg<dwlegg@gmail.com> wrote:
>> On 09/07/2021 14:19, Peter Robinson wrote:
>>> Please leave the list on replies.
>>>
>>> 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?
>> Oops, sorry; yes, other USB devices work, e.g. USB 3.0 disk, plugged
>> into USB 3 socket. The XMOS USB audio device is in a USB 2 socket.
> The usb2/usb3 is mostly irrelevant for this problem. I'm surprised the
> disk is working, in my testing it's an all or nothing thing, maybe if
> you're booting off it thank changes things.
>
>> I did not run rpi-uboot-update, because it was not an upgrade from an
>> older release ...
> Was it a beta or pre release install?
>
>> ... and yes, the rpi-uboot-update fixes it! Hoorah. Many thanks, Peter.:)
>>
>> Why did the rpi-uboot-update make a USB device reappear? I thought dnf
>> updates did all that sort of thing nowadays.
> We don't generally update the U-Boot firmware automatically, it's a
> complicated thing. The whole RPi4 is complicated and had caused
> numerous issues, it's the lack of stability of these things and key
> things like accelerated graphics not being upstream why it's not
> "officially supported"
>
>> Is there some documentation somwhere for rpi-uboot-update, please?
> What sort of docs, it's a bash script, there's not much too it.


Thanks, Peter.

I'm booting of an SD card.

The original F34 may indeed have been a beta release.

How does one know when the rpi-uboot-update needs to be run? Or do you
just wait until something breaks and then run it ;) ?

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