From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Subject: bug#37843: bug#37911: Cannot build a system with colord-service.
Date: Sat, 02 Nov 2019 00:17:06 +0100
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To: Jack Hill <jackhill@jackhill.us>
Cc: 37843@debbugs.gnu.org, 37911@debbugs.gnu.org

Hi Jack and all,

Ludovic Court=C3=A8s <ludo@gnu.org> skribis:

> Jack Hill <jackhill@jackhill.us> skribis:

[...]

>> I did spot another issue with colord since the recent core-updates
>> merge: https://issues.guix.gnu.org/issue/37843 It seems like it is no
>> longer being started automatically via dbus?
>
> Indeed, stracing dbus-daemon while going to the GNOME settings panel,
> =E2=80=9CColor=E2=80=9D tag, I see:
>
> 459   sendmsg(48, {msg_name=3DNULL, msg_namelen=3D0, msg_iov=3D[{iov_base=
=3D"l\3\1\1\213\0\0\0\3\0\0\0m\0\0\0\6\1s\0\5\0\0\0:1.95\0\0\0\4\1s\0'\0\0\=
0org.freedesktop.DBus.Error.AccessDenied\0\5\1u\0\2\0\0\0\10\1g\0\1s\0\0\7\=
1s\0\24\0\0\0org.freedesktop.DBus\0\0\0\0", iov_len=3D128}, {iov_base=3D"\2=
06\0\0\0Connection \":1.95\" is not allowed to own the service \"org.freede=
sktop.ColorManager\" due to security policies in the configuration file\0",=
 iov_len=3D139}], msg_iovlen=3D2, msg_controllen=3D0, msg_flags=3D0}, MSG_N=
OSIGNAL <unfinished ...>
>
> So something somewhere is unhappy.

Commit 33f9778bc83086837b99e5c5e99cd514cb0d154e fixes this and colord
now starts correctly again.

I believe that should also fix the =E2=80=9Cnight light=E2=80=9D feature in=
 GNOME.  I
tested it in a VM but it was hard to tell if it was working.

Could you confirm, Jack?

Thanks,
Ludo=E2=80=99.