GNU bug report logs - #59579
installing zbar prevents gdm to start on Ubuntu 22.04 foreign distro

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Package: guix; Severity: serious; Reported by: Clément Lassieur <clement@HIDDEN>; Owned by: glv@HIDDEN; Keywords: moreinfo; dated Fri, 25 Nov 2022 17:46:02 UTC; Maintainer for guix is bug-guix@HIDDEN.
Added tag(s) moreinfo. Request was from Maxim Cournoyer <maxim.cournoyer@HIDDEN> to control <at> debbugs.gnu.org. Full text available.

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From: Maxim Cournoyer <maxim.cournoyer@HIDDEN>
To: zimoun <zimon.toutoune@HIDDEN>
Subject: Re: bug#59579: installing zbar prevents gdm to start on Ubuntu
 22.04 foreign distro
In-Reply-To: <86k013vxn0.fsf@HIDDEN> (zimoun's message of "Tue, 31 Jan 2023
 10:52:51 +0100")
References: <5e1c0502-24b8-42b6-9adc-698e0bf1822c@HIDDEN>
 <868rhpql0f.fsf@HIDDEN> <875ycnz0he.fsf@HIDDEN>
 <86k013vxn0.fsf@HIDDEN>
Date: Fri, 17 May 2024 23:10:57 -0400
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Cc: 59579 <at> debbugs.gnu.org, glv@HIDDEN,
 =?utf-8?Q?Cl=C3=A9ment?= Lassieur <clement@HIDDEN>,
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Hi,

zimoun <zimon.toutoune@HIDDEN> writes:

> Hi,
>
> On Tue, 31 Jan 2023 at 14:23, =E5=AE=8B=E6=96=87=E6=AD=A6 via Bug reports=
 for GNU Guix <bug-guix@HIDDEN> wrote:
>
>> Hello, I don't think XDG_DATA_DIRS should be the problems, but other
>> environment variables with "lib", since the xdg data should be
>> portable...
>
> I had the issue yesterday on Ubuntu. :-)
>
>> I think GUIX_GTK3_PATH, QT_PLUGIN_PATH, GDK_PIXBUF_MODULE_FILE should be
>> the problems.
>
> None of these environment variables were in my profile, IIRC.  From my
> small experiment, the only common one is XDG_DATA_DIRS.  For instance, I
> had the issue and I just removed the package =E2=80=99fontconfig=E2=80=99=
 which fixed
> the issue;  the environment variables reads,
>
> $ guix shell fontconfig --search-paths
> export PATH=3D"/gnu/store/i5rdrrdq4zi98yzcw7rza169ir1zkj6n-profile/bin${P=
ATH:+:}$PATH"
> export XDG_DATA_DIRS=3D"/gnu/store/i5rdrrdq4zi98yzcw7rza169ir1zkj6n-profi=
le/share${XDG_DATA_DIRS:+:}$XDG_DATA_DIRS"
>
> The package =E2=80=99zbar=E2=80=99 also provides XDG_DATA_DIRS.  Maybe, I=
 am missing
> something.

Just to be sure, do you have default XDG_* environment variables as
configured by guix-install.sh:

--8<---------------cut here---------------start------------->8---
export XCURSOR_PATH=3D"${XCURSOR_PATH:-/usr/local/share/icons:/usr/share/ic=
ons}"
export XDG_DATA_HOME=3D"${XDG_DATA_HOME:-$HOME/.local/share}"
export XDG_CONFIG_HOME=3D"${XDG_CONFIG_HOME:-$HOME/.config}"
export XDG_STATE_HOME=3D"${XDG_STATE_HOME:-$HOME/.local/state}"
export XDG_DATA_DIRS=3D"${XDG_DATA_DIRS:-/usr/local/share/:/usr/share/}"
export XDG_CONFIG_DIRS=3D"${XDG_CONFIG_DIRS:-/etc/xdg}"
export XDG_CACHE_HOME=3D"${XDG_CACHE_HOME:-$HOME/.cache}",
--8<---------------cut here---------------end--------------->8---

I think their absence used to cause this sort of behavior, since Guix
setting it to something would wholly override the distribution-provided
files.

--=20
Thanks
Maxim
Information forwarded to bug-guix@HIDDEN, glv@HIDDEN:
bug#59579; Package guix. Full text available.

Message received at 59579 <at> debbugs.gnu.org:


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From: zimoun <zimon.toutoune@HIDDEN>
To: =?utf-8?B?5a6L5paH5q2m?= <iyzsong@HIDDEN>
Subject: Re: bug#59579: installing zbar prevents gdm to start on Ubuntu
 22.04 foreign distro
In-Reply-To: <875ycnz0he.fsf@HIDDEN>
References: <5e1c0502-24b8-42b6-9adc-698e0bf1822c@HIDDEN>
 <868rhpql0f.fsf@HIDDEN> <875ycnz0he.fsf@HIDDEN>
Date: Tue, 31 Jan 2023 10:52:51 +0100
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Hi,

On Tue, 31 Jan 2023 at 14:23, =E5=AE=8B=E6=96=87=E6=AD=A6 via Bug reports f=
or GNU Guix <bug-guix@HIDDEN> wrote:

> Hello, I don't think XDG_DATA_DIRS should be the problems, but other
> environment variables with "lib", since the xdg data should be
> portable...

I had the issue yesterday on Ubuntu. :-)

> I think GUIX_GTK3_PATH, QT_PLUGIN_PATH, GDK_PIXBUF_MODULE_FILE should be
> the problems.

None of these environment variables were in my profile, IIRC.  From my
small experiment, the only common one is XDG_DATA_DIRS.  For instance, I
had the issue and I just removed the package =E2=80=99fontconfig=E2=80=99 w=
hich fixed
the issue;  the environment variables reads,

--8<---------------cut here---------------start------------->8---
$ guix shell fontconfig --search-paths
export PATH=3D"/gnu/store/i5rdrrdq4zi98yzcw7rza169ir1zkj6n-profile/bin${PAT=
H:+:}$PATH"
export XDG_DATA_DIRS=3D"/gnu/store/i5rdrrdq4zi98yzcw7rza169ir1zkj6n-profile=
/share${XDG_DATA_DIRS:+:}$XDG_DATA_DIRS"
--8<---------------cut here---------------end--------------->8---

The package =E2=80=99zbar=E2=80=99 also provides XDG_DATA_DIRS.  Maybe, I a=
m missing
something.


Cheers,
simon
Information forwarded to bug-guix@HIDDEN, glv@HIDDEN:
bug#59579; Package guix. Full text available.

Message received at 59579 <at> debbugs.gnu.org:


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From: =?utf-8?B?5a6L5paH5q2m?= <iyzsong@HIDDEN>
To: Simon Tournier <zimon.toutoune@HIDDEN>
Subject: Re: bug#59579: installing zbar prevents gdm to start on Ubuntu
 22.04 foreign distro
References: <5e1c0502-24b8-42b6-9adc-698e0bf1822c@HIDDEN>
 <868rhpql0f.fsf@HIDDEN>
Date: Tue, 31 Jan 2023 14:23:09 +0800
In-Reply-To: <868rhpql0f.fsf@HIDDEN> (Simon Tournier's message of "Thu, 26
 Jan 2023 18:10:56 +0100")
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Simon Tournier <zimon.toutoune@HIDDEN> writes:

> Hi,
>
> On Fri, 25 Nov 2022 at 18:45, Cl=C3=A9ment Lassieur <clement@HIDDEN=
> wrote:
>
>> It's very difficult to pin the issue down to a guix package being
>> installed.
>>
>> I imagine the bug would not happen if ~/.guix-profile/share was not in
>> XDG_DATA_DIRS.
>
> Yes, it is related to XDG_DATA_DIRS and it can be tedious to find which
> package brings the issue.
>
> I had a similar issue with the package =E2=80=99python-ipython=E2=80=99 a=
nd recently
> with =E2=80=99fontconfig=E2=80=99 =E2=80=93 both cases running on the top=
 of Debian.
>
> The issue can happen whatever the profile; it just depends which ones
> are sourced by your login shell.
>

Hello, I don't think XDG_DATA_DIRS should be the problems, but other
environment variables with "lib", since the xdg data should be
portable...

So:
--8<---------------cut here---------------start------------->8---
$ guix shell -C coreutils zbar --no-grafts  -- env
PS1=3D\u@\h \w [env]\$=20
TMPDIR=3D/tmp
TEMPDIR=3D/tmp
TMP=3D/tmp
TEMP=3D/tmp
LOGNAME=3Diyzsong
USER=3Diyzsong
HOME=3D/home/iyzsong
PATH=3D/gnu/store/yfnm6nh3a6c7hiqk1nq228wpph1x1z1w-profile/bin:/gnu/store/y=
fnm6nh3a6c7hiqk1nq228wpph1x1z1w-profile/sbin
XDG_DATA_DIRS=3D/gnu/store/yfnm6nh3a6c7hiqk1nq228wpph1x1z1w-profile/share
GUIX_GTK3_PATH=3D/gnu/store/yfnm6nh3a6c7hiqk1nq228wpph1x1z1w-profile/lib/gt=
k-3.0
QMAKEPATH=3D/gnu/store/yfnm6nh3a6c7hiqk1nq228wpph1x1z1w-profile/lib/qt5
QT_PLUGIN_PATH=3D/gnu/store/yfnm6nh3a6c7hiqk1nq228wpph1x1z1w-profile/lib/qt=
5/plugins
XDG_CONFIG_DIRS=3D/gnu/store/yfnm6nh3a6c7hiqk1nq228wpph1x1z1w-profile/etc/x=
dg
XCURSOR_PATH=3D/gnu/store/yfnm6nh3a6c7hiqk1nq228wpph1x1z1w-profile/share/ic=
ons
GDK_PIXBUF_MODULE_FILE=3D/gnu/store/yfnm6nh3a6c7hiqk1nq228wpph1x1z1w-profil=
e/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache
GUIX_ENVIRONMENT=3D/gnu/store/yfnm6nh3a6c7hiqk1nq228wpph1x1z1w-profile
--8<---------------cut here---------------end--------------->8---

I think GUIX_GTK3_PATH, QT_PLUGIN_PATH, GDK_PIXBUF_MODULE_FILE should be
the problems.
Information forwarded to bug-guix@HIDDEN, glv@HIDDEN:
bug#59579; Package guix. Full text available.

Message received at 59579 <at> debbugs.gnu.org:


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From: Simon Tournier <zimon.toutoune@HIDDEN>
To: =?utf-8?Q?Cl=C3=A9ment?= Lassieur <clement@HIDDEN>
Subject: Re: bug#59579: installing zbar prevents gdm to start on Ubuntu
 22.04 foreign distro
References: <5e1c0502-24b8-42b6-9adc-698e0bf1822c@HIDDEN>
Date: Thu, 26 Jan 2023 18:10:56 +0100
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 (=?utf-8?Q?=22Cl=C3=A9ment?=
 Lassieur"'s message of "Fri, 25 Nov 2022 18:45:10 +0100")
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Hi,

On Fri, 25 Nov 2022 at 18:45, Cl=C3=A9ment Lassieur <clement@HIDDEN> =
wrote:

> It's very difficult to pin the issue down to a guix package being
> installed.
>
> I imagine the bug would not happen if ~/.guix-profile/share was not in
> XDG_DATA_DIRS.

Yes, it is related to XDG_DATA_DIRS and it can be tedious to find which
package brings the issue.

I had a similar issue with the package =E2=80=99python-ipython=E2=80=99 and=
 recently
with =E2=80=99fontconfig=E2=80=99 =E2=80=93 both cases running on the top o=
f Debian.

The issue can happen whatever the profile; it just depends which ones
are sourced by your login shell.


Cheers,
simon
Information forwarded to bug-guix@HIDDEN, glv@HIDDEN:
bug#59579; Package guix. Full text available.
Owner recorded as glv@HIDDEN Request was from Clément Lassieur <clement@HIDDEN> to control <at> debbugs.gnu.org. Full text available.

Message received at submit <at> debbugs.gnu.org:


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Date: Fri, 25 Nov 2022 18:45:10 +0100
From: =?UTF-8?Q?Cl=C3=A9ment_Lassieur?= <clement@HIDDEN>
To: bug-guix@HIDDEN
Subject: installing zbar prevents gdm to start on Ubuntu 22.04 foreign distro
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--d8f2cfe42eb9458dbcfd158ca05bfcdf
Content-Type: text/plain

Severity: serious

Steps to reproduce:

> - install Ubuntu 22.04
> - install Guix package manager
> - guix package -i zbar
> - reboot

Expected result

> boot

result

> login loop

It's very difficult to pin the issue down to a guix package being installed.

I imagine the bug would not happen if ~/.guix-profile/share was not in XDG_DATA_DIRS.
--d8f2cfe42eb9458dbcfd158ca05bfcdf
Content-Type: text/html

<!DOCTYPE html><html><head><title></title><style type="text/css">p.MsoNormal,p.MsoNoSpacing{margin:0}
p.MsoNormal,p.MsoNoSpacing{margin:0}
p.MsoNormal,p.MsoNoSpacing{margin:0}</style></head><body><div>Severity: serious<br></div><div><br></div><div>Steps to reproduce:<br></div><div><br></div><blockquote type="cite"><div>- install Ubuntu 22.04<br></div><div>- install Guix package manager<br></div><div>- guix package -i zbar<br></div><div>- reboot<br></div></blockquote><div><br></div><div>Expected result<br></div><div><br></div><blockquote type="cite"><div>boot<br></div></blockquote><div><br></div><div>result<br></div><div><br></div><blockquote type="cite"><div>login loop<br></div></blockquote><div><br></div><div>It's very difficult to pin the issue down to a guix package being installed.<br></div><div><br></div><div>I imagine the bug would not happen if ~/.guix-profile/share was not in XDG_DATA_DIRS.<br></div></body></html>
--d8f2cfe42eb9458dbcfd158ca05bfcdf--
Acknowledgement sent to Clément Lassieur <clement@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-guix@HIDDEN. Full text available.
Report forwarded to bug-guix@HIDDEN:
bug#59579; Package guix. Full text available.
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