Source: qemu
Version: 1:10.0.2+ds-2+deb13u1
Severity: important

Dear Maintainer,

when using arm64 emulation on amd64 host with

    pbuilder build --architecture arm64 --distro trixie

it's incredibly slow to a point where tests fail due to timeouts and
installation of texlive-latex-extra takes tens of minutes.

This problem is present:

* only on Trixie GUESTS (Bookworm, Bullseye, and even Buster guests work
  fine)
* on both Bookworm and Trixie amd64 HOSTS (tested on 2 Bookworm and 1 Trixie
  host)
* only with arm64 emulation, armhf works fine

Furthermore, this has been the case for few months before Trixie
release.

We're talking about 10x to 100x slowdown or more, I'm having really hard times
building arm64 packages rn.

I can do some debugging if you provide instructions / pointers.


Cheers,
Jakub Ružička

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