From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Integration of the Nix daemon
Date: Sun, 16 Dec 2012 17:58:36 +0100
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References: <87zk1u3htq.fsf@gnu.org> <201212161216.51858.andreas@enge.fr>
	<87r4mqkl8b.fsf@gnu.org> <201212161756.24257.andreas@enge.fr>
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In-Reply-To: <201212161756.24257.andreas@enge.fr> (Andreas Enge's message of
	"Sun, 16 Dec 2012 17:56:24 +0100")
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To: Andreas Enge <andreas@enge.fr>
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Andreas Enge <andreas@enge.fr> skribis:

> When starting the execution, only the following lines are printed:
>           {sa_family=3DAF_FILE, NULL}, [2]) =3D 4
> fcntl(4, F_GETFD)                       =3D 0
> fcntl(4, F_SETFD, FD_CLOEXEC)           =3D 0
> getsockopt(4, SOL_SOCKET, SO_PEERCRED, "\24\36\0\0\350\3\0\0\350\3\0\0",=
=20
> [12]) =3D 0
> write(2, "accepted connection from pid 770"..., 44accepted connection fro=
m=20
> pid 7700, uid 1000
> ) =3D 44
> clone(child_stack=3D0, flags=3DCLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SI=
GCHLD,=20

Oh, actually since the daemon forks (last line above), you need -f:

  # strace -o log -f guix-daemon --build-users-group=3Dnixbld

Ludo=E2=80=99.