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debian-installer offb console bug on PowerPC

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Hello,

I was finally able to track down the problem this morning which breaks
debian-installer console output on powerpc and ppc64 since kernel v6.8.

There is a patch [1] in the current Debian kernel package which was supposed
to fix the exact same problem [2] on ppc64el and it was introduced with Debian's
kernel package version 6.1.25-1.

Since the regression is only present since v6.7 kernels, I assume that the
offb code has changed in the meantime upstream so that this patch is no
longer necessary and now has the opposite effect, i.e. it reintroduces the
bug.

Frédéric, could you verify that theory on ppc64el, i.e. could you check whether
the patch now reintroduces the problem on ppc64el as well?

Thanks,
Adrian

> [1] https://salsa.debian.org/kernel-team/linux/-/blob/master/debian/patches/bugfix/powerpc/fbdev-offb-Update-expected-device-name.patch?ref_type=heads
> [2] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1033058

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
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debian-installer offb console bug on PowerPC John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> - 2024-10-22 08:30 +0200

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