Public bug reported:
When logging in to a desktop install via ssh, while the graphical
session is not logged in, I noticed that snapd is consuming 100% cpu
from time to time and `snap.prompting-client.daemon.service` is
constantly restarting.
After logging in the graphical session, the crash restart loop stops.
```
$ lsb_release -rd
Description: Ubuntu 25.04
Release: 25.04
```
```
$ apt-cache policy snapd
snapd:
Installed: 2.68.5+ubuntu25.04.2
Candidate: 2.72+ubuntu25.04
Version table:
2.72+ubuntu25.04 500 (phased 20%)
500 http://de.archive.ubuntu.com/ubuntu plucky-updates/main amd64
Packages
*** 2.68.5+ubuntu25.04.2 100
100 /var/lib/dpkg/status
2.67.1+25.04 500
500 http://de.archive.ubuntu.com/ubuntu plucky/main amd64 Packages
```
```
$ journalctl --user -u snap.prompting-client.daemon.service
...
Nov 13 14:55:33 gamingpc systemd[2480]: Started
snap.prompting-client.daemon.service - Service for snap application
prompting-client.daemon.
Nov 13 14:55:33 gamingpc prompting-client.daemon[210920]:
2025-11-13T13:55:33.905999Z INFO prompting_client::snapd_client: using the
snapd snap socket at address: /run/snapd-snap.socket
Nov 13 14:55:33 gamingpc prompting-client-daemon[210920]: using the snapd snap
socket at address: /run/snapd-snap.socket
Nov 13 14:55:36 gamingpc systemd[2480]: snap.prompting-client.daemon.service:
Scheduled restart job, restart counter is at 2217.
Nov 13 14:55:36 gamingpc systemd[2480]: Started
snap.prompting-client.daemon.service - Service for snap application
prompting-client.daemon.
Nov 13 14:55:36 gamingpc prompting-client.daemon[210985]:
2025-11-13T13:55:36.152090Z INFO prompting_client::snapd_client: using the
snapd snap socket at address: /run/snapd-snap.socket
Nov 13 14:55:36 gamingpc prompting-client-daemon[210985]: using the snapd snap
socket at address: /run/snapd-snap.socket
Nov 13 14:55:38 gamingpc systemd[2480]: snap.prompting-client.daemon.service:
Scheduled restart job, restart counter is at 2218.
Nov 13 14:55:38 gamingpc systemd[2480]: Started
snap.prompting-client.daemon.service - Service for snap application
prompting-client.daemon.
Nov 13 14:55:38 gamingpc prompting-client.daemon[211048]:
2025-11-13T13:55:38.404867Z INFO prompting_client::snapd_client: using the
snapd snap socket at address: /run/snapd-snap.socket
Nov 13 14:55:38 gamingpc prompting-client-daemon[211048]: using the snapd snap
socket at address: /run/snapd-snap.socket
Nov 13 14:55:40 gamingpc systemd[2480]: snap.prompting-client.daemon.service:
Scheduled restart job, restart counter is at 2219.
Nov 13 14:55:40 gamingpc systemd[2480]: Started
snap.prompting-client.daemon.service - Service for snap application
prompting-client.daemon.
Nov 13 14:55:40 gamingpc prompting-client.daemon[211111]:
2025-11-13T13:55:40.650584Z INFO prompting_client::snapd_client: using the
snapd snap socket at address: /run/snapd-snap.socket
Nov 13 14:55:40 gamingpc prompting-client-daemon[211111]: using the snapd snap
socket at address: /run/snapd-snap.socket
Nov 13 14:55:42 gamingpc systemd[2480]: snap.prompting-client.daemon.service:
Scheduled restart job, restart counter is at 2220.
Nov 13 14:55:42 gamingpc systemd[2480]: Started
snap.prompting-client.daemon.service - Service for snap application
prompting-client.daemon.
Nov 13 14:55:42 gamingpc prompting-client.daemon[211176]:
2025-11-13T13:55:42.905157Z INFO prompting_client::snapd_client: using the
snapd snap socket at address: /run/snapd-snap.socket
Nov 13 14:55:42 gamingpc prompting-client-daemon[211176]: using the snapd snap
socket at address: /run/snapd-snap.socket
Nov 13 14:55:45 gamingpc systemd[2480]: snap.prompting-client.daemon.service:
Scheduled restart job, restart counter is at 2221.
Nov 13 14:55:45 gamingpc systemd[2480]: Started
snap.prompting-client.daemon.service - Service for snap application
prompting-client.daemon.
Nov 13 14:55:45 gamingpc prompting-client.daemon[211239]:
2025-11-13T13:55:45.153535Z INFO prompting_client::snapd_client: using the
snapd snap socket at address: /run/snapd-snap.socket
Nov 13 14:55:45 gamingpc prompting-client-daemon[211239]: using the snapd snap
socket at address: /run/snapd-snap.socket
Nov 13 14:55:47 gamingpc systemd[2480]: snap.prompting-client.daemon.service:
Scheduled restart job, restart counter is at 2222.
Nov 13 14:55:47 gamingpc systemd[2480]: Started
snap.prompting-client.daemon.service - Service for snap application
prompting-client.daemon.
Nov 13 14:55:47 gamingpc prompting-client.daemon[211304]:
2025-11-13T13:55:47.401113Z INFO prompting_client::snapd_client: using the
snapd snap socket at address: /run/snapd-snap.socket
Nov 13 14:55:47 gamingpc prompting-client-daemon[211304]: using the snapd snap
socket at address: /run/snapd-snap.socket
Nov 13 14:55:49 gamingpc systemd[2480]: snap.prompting-client.daemon.service:
Scheduled restart job, restart counter is at 2223.
Nov 13 14:55:49 gamingpc systemd[2480]: Started
snap.prompting-client.daemon.service - Service for snap application
prompting-client.daemon.
Nov 13 14:55:49 gamingpc prompting-client.daemon[211367]:
2025-11-13T13:55:49.653020Z INFO prompting_client::snapd_client: using the
snapd snap socket at address: /run/snapd-snap.socket
Nov 13 14:55:49 gamingpc prompting-client-daemon[211367]: using the snapd snap
socket at address: /run/snapd-snap.socket
...
<logging in graphical session>
...
Nov 13 15:01:07 gamingpc systemd[2678]: Started
snap.prompting-client.daemon.service - Service for snap application
prompting-client.daemon.
Nov 13 15:01:07 gamingpc prompting-client.daemon[4065]:
2025-11-13T14:01:07.365818Z INFO prompting_client::snapd_client: using the
snapd snap socket at address: /run/snapd-snap.socket
Nov 13 15:01:07 gamingpc prompting-client-daemon[4065]: using the snapd snap
socket at address: /run/snapd-snap.socket
Nov 13 15:01:07 gamingpc prompting-client.daemon[4065]:
2025-11-13T14:01:07.370870Z ERROR prompting_client::daemon: Failed to remove
old socket file: /run/user/1000/snap.prompting-client/prompting.sock. >
Nov 13 15:01:07 gamingpc prompting-client.daemon[4065]:
2025-11-13T14:01:07.370948Z INFO prompting_client::daemon::poll: checking for
pending prompts
Nov 13 15:01:07 gamingpc prompting-client-daemon[4065]: Failed to remove old
socket file: /run/user/1000/snap.prompting-client/prompting.sock. Error: No
such file or directory (os error 2)
Nov 13 15:01:07 gamingpc prompting-client-daemon[4065]: checking for pending
prompts
Nov 13 15:01:07 gamingpc prompting-client.daemon[4065]:
2025-11-13T14:01:07.373176Z INFO prompting_client::daemon::poll: no currently
pending prompts
Nov 13 15:01:07 gamingpc prompting-client-daemon[4065]: no currently pending
prompts
```
** Affects: snapd (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2131229
Title:
snap.prompting-client.daemon.service constantly restarts and consumes
100% cpu
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