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Bug#1053937: debian-installer: installer does not detect internal UFS-drive



Hi Patrick,

and thanks for your report.

Patrick Rudin <taxi_bs@gmx.ch> (2023-10-14):
> I have a Microsoft Surface Go 4 Tablet, which has an internal 256 GB UFS-Drive.
> Debian Live works fine, but its not possible to install Debian: When I get to
> partitioning, the installer does not see the drive (the ubuntu installer does)
> and only shows my installer-stick.
> 
> I guess the installer would need the ufshci-module to recognize the internal
> UFS-Flash.

Looking around, it seems “ufshci-module” is a best guess name for what
the industry calls UFSHCI, and seems to be shipped as ufshcd-core.ko
(ufs/core) and ufshcd-pci.ko (ufs/host). Those are likely to be
sufficient as the only dependency is between them (no extra modules
should be needed), and I can load both of them in a test VM. But we've
already seen that sometimes another seemingly unrelated module might be
needed (I did spot a softdep on a governor, so I'm not sure about the
runtime when such a device is present).

I've built a test netboot-gtk installation image; contrary to a full
netinst ISO, there's no firmware in there, but I thought it might be
good enough for you to test and report whether the storage appears,
without going through the whole installation process.

  https://people.debian.org/~kibi/bug-1053937/

Your follow-up about Live was very nice as well. Hopefully that fits
your immediate needs and lets you install Debian without waiting on a
fix in debian-installer; a full netinst ISO could be arranged
otherwise.


Cheers,
-- 
Cyril Brulebois (kibi@debian.org)            <https://debamax.com/>
D-I release manager -- Release team member -- Freelance Consultant

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