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* [regression] Bug 217084 - Roland VS-100 non working (snd_usb_audio) since kernel 5.11
@ 2023-03-03  8:17 Linux regression tracking (Thorsten Leemhuis)
  0 siblings, 0 replies; only message in thread
From: Linux regression tracking (Thorsten Leemhuis) @ 2023-03-03  8:17 UTC (permalink / raw)
  To: Jaroslav Kysela, Takashi Iwai
  Cc: Alsa-devel, LKML, Linux kernel regressions list

Hi, this is your Linux kernel regression tracker.

I noticed a regression report in As many (most?)
kernel developer don't keep an eye on it, I decided to forward it by
mail. Quoting from :

>  Alberto Zin 2023-02-24 18:11:31 UTC
> The issue I encountered is on a Roland VS-100:
> it seems that snd_usb_audio module has broken the compatibility with the VS-100 at around kernel 5.11 time. After that kernel the interface is recognized only as a midi interface, on recent kernels there is only dummy audio device and no sound at all. 
> I have two alsa-info reports, on the same desktop pc:
> working (my current setup, linux kernel 5.6.0-1055-oem):
> non working (live, avlinux, 6.0.x):
> in the non working case the interface is recognised by "lsusb", it is seen by "aconnect -l" but not by "aplay -l".
> I'm willing to help testing as much as I can.
> Alberto

See the ticket for more details. There you noticed that Alberto retried
with a vanilla kernel later and the problem happens there, too.

[TLDR for the rest of this mail: I'm adding this report to the list of
tracked Linux kernel regressions; the text you find below is based on a
few templates paragraphs you might have encountered already in similar

BTW, let me use this mail to also add the report to the list of tracked
regressions to ensure it's doesn't fall through the cracks:

#regzbot introduced: v5.4.59..v5.4.233
#regzbot title: alsa: Roland VS-100 stopped working
#regzbot ignore-activity

This isn't a regression? This issue or a fix for it are already
discussed somewhere else? It was fixed already? You want to clarify when
the regression started to happen? Or point out I got the title or
something else totally wrong? Then just reply and tell me -- ideally
while also telling regzbot about it, as explained by the page listed in
the footer of this mail.

Developers: When fixing the issue, remember to add 'Link:' tags pointing
to the report (e.g. the buzgzilla ticket and maybe this mail as well, if
this thread sees some discussion). See page linked in footer for details.

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
Everything you wanna know about Linux kernel regression tracking:
If I did something stupid, please tell me, as explained on that page.

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2023-03-03  8:17 [regression] Bug 217084 - Roland VS-100 non working (snd_usb_audio) since kernel 5.11 Linux regression tracking (Thorsten Leemhuis)

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