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Bug#1033398: linux-image-amd64: reproducible kernel freeze on 5.19+

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  Bug#1033398: linux-image-amd64: reproducible kernel freeze on 5.19+ Diederik de Haas <didi.debian@cknow.org> - 2023-03-24 14:00 +0100

#78587 — Bug#1033398: linux-image-amd64: reproducible kernel freeze on 5.19+

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Control: reassign -1 src:linux 6.1.20-1

On Friday, 24 March 2023 12:44:33 CET Tim Rühsen wrote:
> Package: linux-image-amd64
> Version: 6.1.20-1
> 
> We run a priviledged eBPF based tool with a communication between kernel and
> user space. It runs without issues on kernels 4.15 to 5.18.
> On kernels 5.19+, the whole system freezes after a few minutes.

Via https://snapshot.debian.org/binary/linux-image-amd64/ you can easily test 
various kernel versions. Could you try whether 5.19~rc4-1~exp1 indeed produces 
the problem?

> Since the running program is rather complex, it is not easily possible to
> carve out a small reproducer. We can provide gdb backtraces from freezes
> inside qemu.

Someone else would have to chime in for the backtraces; that's beyond my skill 
set.
Verifying in which kernel version/commit the issue started is still useful.

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