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Re: Bug#879662: apt: debian-installer FTBFS: E: Method copy has died unexpectedly!

On 2017-10-24 10:34, Julian Andres Klode wrote:
It says SIGSYS, which means a system call trapped by seccomp. Can you
get a coredump
and run gdb on it and get me a backtrace :) Or guess from the lists:

https://people.debian.org/~jak/syscalls-trapped.txt (all syscalls I
found - first list)

Or play with the settings in the NEWS file,
	APT::Sandbox::Seccomp "false"; to disable it
	APT::Sandbox::Seccomp::Allow { "syscall1"; "syscall2"; }; to allow
more syscalls by name

I was wondering if we could install a SIGSYS signal handler to print
which syscall was blocked, but did not find anything yet.

Does a seccomp kill land in dmesg?

Kind regards
Philipp Kern

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