From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Subject: bug#33239: 'guix offload' regularly hangs in
	'channel-get-exit-status' call
Date: Sat, 22 Dec 2018 17:49:49 +0100
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ludo@gnu.org (Ludovic Court=C3=A8s) skribis:

> The =E2=80=98guix offload=E2=80=99 processes on berlin regularly hang whi=
le calling
> =E2=80=98channel-get-exit-status=E2=80=99:
>
> (gdb) bt
> #0  0x00007f299fb330f1 in __GI___poll (fds=3D0x1dd58c0, nfds=3D1, timeout=
=3D-1) at ../sysdeps/unix/sysv/linux/poll.c:29
> #1  0x00007f2994287577 in ssh_poll_ctx_dopoll () from target:/gnu/store/w=
mpg67bn7i7pqc0p4xjp1npnqixk9znd-libssh-0.7.6/lib/libssh.so.4
> #2  0x00007f29942884d9 in ssh_handle_packets () from target:/gnu/store/wm=
pg67bn7i7pqc0p4xjp1npnqixk9znd-libssh-0.7.6/lib/libssh.so.4
> #3  0x00007f29942885ad in ssh_handle_packets_termination () from target:/=
gnu/store/wmpg67bn7i7pqc0p4xjp1npnqixk9znd-libssh-0.7.6/lib/libssh.so.4
> #4  0x00007f2994275080 in ssh_channel_get_exit_status () from target:/gnu=
/store/wmpg67bn7i7pqc0p4xjp1npnqixk9znd-libssh-0.7.6/lib/libssh.so.4
> #5  0x00007f29946dd11a in guile_ssh_channel_get_exit_status () from targe=
t:/gnu/store/i3nfl17wfx7sryq6w15r9wxl7ilmq4rb-guile-ssh-0.11.3/lib/libguile=
-ssh.so.11
> #6  0x00007f29a1765965 in vm_regular_engine (thread=3D0x1dd58c0, vp=3D0x1=
d4df30, registers=3D0xffffffff, resume=3D-1615646479) at vm-engine.c:786

I was able to come up with a reduced test case for Guile-SSH:

  https://github.com/artyom-poptsov/guile-ssh/issues/11

Ludo=E2=80=99.