Bug#634916: usb-modeswitch: seems to have no effect on Huawei E169

From	Didier 'OdyX' Raboud <odyx@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#634916: usb-modeswitch: seems to have no effect on Huawei E169
Date	2025-05-01 21:30 +0200
Message-ID	<KHHLz-2Qp-1@gated-at.bofh.it> (permalink)
References	<hgMv8-6OV-3@gated-at.bofh.it> <hozr3-863-19@gated-at.bofh.it> <KHAqJ-hz1G-1@gated-at.bofh.it> <hgMv8-6OV-3@gated-at.bofh.it> <KHAqJ-hz1G-1@gated-at.bofh.it>
Organization	Debian - The Universal OS

Cross-posted to 2 groups.

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Le jeudi, 1 mai 2025, 13.30:52 h heure d’été d’Europe centrale Salvatore 
Bonaccorso a écrit :
> Hi,
> 
> On Thu, Aug 11, 2011 at 10:57:24AM +0200, Didier Raboud wrote:
> > reassign 634916 src:linux-2.6 3.0.0-1
> > retitle 634916 Linux modeswitches some 3G dongles in kernelland
> > (duplicates userland functionality) thanks
> > 
> > Dear linux-2.6 maintainers,
> > 
> > I'm hereby re-assigning the #634916 bug to the Linux kernel, as per the
> > discussion held with Josua Dietze, the usb-modeswitch upstream developer.
> > 
> > In summary: the Linux kernel "modeswitches" some 3G dongles where
> > usb-modeswitch is supposed to be the userland tool doing this. Having this
> > behaviour hardcoded in Linux implies less flexibility and duplicates
> > a functionality already present in userland _today_.
> > 
> > Please ask if you need more information, cheers,
> 
> I have re-read the full bug today to do some BTS clean-up for
> src:linux and given there was not further action to "address" this in
> upstream I think it's time to close the bug.
> 
> AFAIU, in kernel mode switching is deprecated years ago, so I do not
> expect development in that part of the code anymore and that devices
> falling in this class will fade out as well.
> 
> Federico, I'm sorry you had to wait that long. If you feel strong
> about the issue I suggest to re-forward it to the upstream list
> including Josua, and see if there is still some interest in adressing
> this misbehaviour.
> 
> My udnerstanding is that there is as well not major harm caused by
> this.
> 
> I will thus close the bug with this explanation, keeping Josua as well
> in the loop in case he now disagrees.

Agreed, thanks for the investigation!

-- 
    OdyX

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Bug#634916: usb-modeswitch: seems to have no effect on Huawei E169 Salvatore Bonaccorso <carnil@debian.org> - 2025-05-01 13:40 +0200
  Bug#634916: usb-modeswitch: seems to have no effect on Huawei E169 Didier 'OdyX' Raboud <odyx@debian.org> - 2025-05-01 21:30 +0200

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