Re: Bug#879662: apt: debian-installer FTBFS: E: Method copy has died unexpectedly!
On Tue, Oct 24, 2017 at 07:48:52AM +0200, Cyril Brulebois wrote:
> Package: apt
> Version: 1.4.8
I assume you mean 1.6~alpha1? Because that's what the error
seems to indicate.
> Severity: serious
> Tags: d-i
> Justification: FTBFS
>
> [ Please keep both debian-boot@ and me in copy. ]
>
> It seems the “most secure file downloading on the planet” can no longer
> copy files around:
> | get-packages udeb
> | make[5]: 'sources.list.udeb' is up to date.
> | Ign:1 copy:/home/kibi/debian-installer/installer/build localudebs/ InRelease
> | Ign:2 copy:/home/kibi/debian-installer/installer/build localudebs/ Release
> | Ign:3 copy:/home/kibi/debian-installer/installer/build localudebs/ Packages
> | Ign:4 copy:/home/kibi/debian-installer/installer/build localudebs/ Translation-en
> | Ign:5 copy:/home/kibi/debian-installer/installer/build localudebs/ Contents (deb)
> | Ign:6 copy:/home/kibi/debian-installer/installer/build localudebs/ Contents (deb)
> | Ign:7 copy:/home/kibi/debian-installer/installer/build localudebs/ Contents (udeb)
> | Get:8 http://localhost/debian unstable InRelease [235 kB]
> | Ign:9 copy:/home/kibi/debian-installer/installer/build localudebs/ Contents (udeb)
> | Ign:3 copy:/home/kibi/debian-installer/installer/build localudebs/ Packages
> | Ign:4 copy:/home/kibi/debian-installer/installer/build localudebs/ Translation-en
> | Ign:5 copy:/home/kibi/debian-installer/installer/build localudebs/ Contents (deb)
> | Ign:6 copy:/home/kibi/debian-installer/installer/build localudebs/ Contents (deb)
> | Ign:7 copy:/home/kibi/debian-installer/installer/build localudebs/ Contents (udeb)
> | Ign:9 copy:/home/kibi/debian-installer/installer/build localudebs/ Contents (udeb)
> | Ign:3 copy:/home/kibi/debian-installer/installer/build localudebs/ Packages
> | Ign:4 copy:/home/kibi/debian-installer/installer/build localudebs/ Translation-en
> | Ign:5 copy:/home/kibi/debian-installer/installer/build localudebs/ Contents (deb)
> | Ign:6 copy:/home/kibi/debian-installer/installer/build localudebs/ Contents (deb)
> | Ign:7 copy:/home/kibi/debian-installer/installer/build localudebs/ Contents (udeb)
> | Ign:9 copy:/home/kibi/debian-installer/installer/build localudebs/ Contents (udeb)
> | Reading package lists...
> | E: Method copy has died unexpectedly!
> | E: Sub-process copy received signal 31.
>
> Error reporting is a bit underwhelming. :(
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-allowed.txt
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.
--
Debian Developer - deb.li/jak | jak-linux.org - free software dev
| Ubuntu Core Developer |
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