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Bug#1038701: lightdm logs "lightdm[1166]: gkr-pam: unable to locate daemon control file" error on boot

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Yura

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Jun 20, 2023, 5:50:05 AM6/20/23
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Package: lightdm
Version: 1.26.0-8
Severity: minor
X-Debbugs-Cc: splashed_o...@simplelogin.com

Dear Maintainer,

I've noticed that on boot system logs the "lightdm[1166]: gkr-pam: unable to locate daemon control file" error message from lightdm, which indicates that there is some issue.

Nevertheless, the booting process succeeds.

The expectation is that such error shouldn't occur.

-- System Information:
Debian Release: 12.0
APT prefers stable-security
APT policy: (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.1.0-9-amd64 (SMP w/8 CPU threads; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
DE: Xfce

Versions of packages lightdm depends on:
ii adduser 3.134
ii dbus 1.14.6-1
ii debconf [debconf-2.0] 1.5.82
ii libaudit1 1:3.0.9-1
ii libc6 2.36-9
ii libgcrypt20 1.10.1-3
ii libglib2.0-0 2.74.6-2
ii libpam-systemd [logind] 252.6-1
ii libpam0g 1.5.2-6
ii libxcb1 1.15-1
ii libxdmcp6 1:1.1.2-3
ii lightdm-gtk-greeter [lightdm-greeter] 2.0.8-2+b1
ii lsb-base 11.6
ii sysvinit-utils [lsb-base] 3.06-4

Versions of packages lightdm recommends:
ii xserver-xorg 1:7.7+23

Versions of packages lightdm suggests:
ii accountsservice 22.08.8-6
ii upower 0.99.20-2
pn xserver-xephyr <none>

-- Configuration Files:
/etc/lightdm/lightdm.conf changed:
[LightDM]
[Seat:*]
greeter-hide-users=false
[XDMCPServer]
[VNCServer]


-- debconf information:
lightdm/daemon_name: /usr/sbin/lightdm
* shared/default-x-display-manager: lightdm

Yves-Alexis Perez

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Jun 20, 2023, 5:30:05 PM6/20/23
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

control: forwarded -1 https://github.com/canonical/lightdm/issues/70

On Tue, 2023-06-20 at 12:44 +0300, Yura wrote:
> Dear Maintainer,
>
> I've noticed that on boot system logs the "lightdm[1166]: gkr-pam: unable to
> locate daemon control file" error message from lightdm, which indicates that
> there is some issue.
>
> Nevertheless, the booting process succeeds.
>
> The expectation is that such error shouldn't occur.

Hey,

this looks to be https://github.com/canonical/lightdm/issues/70 but there's
not definite conclusion in that issue. It looks like gnome-keyring is launched
for the lightdm user but lacks space to write some files. I don't think we
really need gnome-keyring as part of the lightdm session anyway so I don't
think it's really problematic, mostly cosmetic at that point.

Regards,
- --
Yves-Alexis
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splashed_o...@simplelogin.com

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Jun 21, 2023, 3:40:04 AM6/21/23
to
Hi,

Thanks for the response! Yes, it seems so. If I'm not mistaken, the problem was also present for the entirety of the Bullseye lifecycle. I guess the conclusion is that it's an upstream issue and nothing could be done to address it on the Debian side. Maybe in the future better display managers will be developed, but for now we have to live with it. GDM is better suited for GNOME, SDDM for KDE and all more or less supported that is currently available for Xfce is Lightdm.

Best Regards,
Yura

------- Original Message -------
On Wednesday, June 21st, 2023 at 00:23, Yves-Alexis Perez - corsac at debian.org <corsac_at_deb...@simplelogin.co> wrote:

> Hey,
>
> this looks to be https://github.com/canonical/lightdm/issues/70 but there's
> not definite conclusion in that issue. It looks like gnome-keyring is launched
> for the lightdm user but lacks space to write some files. I don't think we
> really need gnome-keyring as part of the lightdm session anyway so I don't
> think it's really problematic, mostly cosmetic at that point.
>
> Regards,
> --
> Yves-Alexis
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