[Bug 2107955] [NEW] When restarting esm-cache, the process is stuck

[liuxueping]

Public bug reported:

ubuntu 24.04
ps -ef | grep apt
root       29181   28857  0 03:02 ?        00:00:00 apt -y install make g++ openssl libtool libssl-dev pkg-config zlib1g-dev
root       29382   29181  0 03:02 ?        00:00:00 apt -y install make g++ openssl libtool libssl-dev pkg-config zlib1g-dev
root       29391   29382  0 03:02 ?        00:00:00 sh -c -- test -x /usr/lib/needrestart/apt-pinvoke && /usr/lib/needrestart/apt-pinvoke -m u || true
root       29483   29392  0 03:02 ?        00:00:00 systemctl restart apt-news.service cloud-monitor-agent.service esm-cache.service irqbalance-ng.service packagekit.service polkit.service proxima.service rsyslog.service ssh.service systemd-journald.service systemd-networkd.service systemd-resolved.service systemd-udevd.service tuned.service udisks2.service upower.service
_apt       29648   29495  0 03:02 ?        00:00:00 /usr/lib/apt/methods/https


systemctl status esm-cache.service
● esm-cache.service - Update the local ESM caches
     Loaded: loaded (/usr/lib/systemd/system/esm-cache.service; static)
     Active: activating (start) since Tue 2025-04-22 03:02:11 CST; 16h ago
   Main PID: 29495 (python3)
      Tasks: 2 (limit: 37821)
     Memory: 17.3M (peak: 18.9M)
        CPU: 4.450s
     CGroup: /system.slice/esm-cache.service
             ├─29495 /usr/bin/python3 /usr/lib/ubuntu-advantage/esm_cache.py
             └─29648 /usr/lib/apt/methods/https

Apr 22 03:02:11 iv-ydu5wcv3ls7fzxcplrij systemd[1]: Starting esm-cache.service - Update the local ESM caches...
Apr 22 03:02:23 iv-ydu5wcv3ls7fzxcplrij python3[29495]: ["2025-04-22T03:02:23.353", "WARNING", "ubuntupro.apt", "fail", 907, "Failed to fetch ESM Apt Cache item: https:>
Apr 22 03:02:23 iv-ydu5wcv3ls7fzxcplrij python3[29495]: ["2025-04-22T03:02:23.353", "WARNING", "ubuntupro.apt", "fail", 907, "Failed to fetch ESM Apt Cache item: https:>


The apt install process is stuck because the esm-cache service is stuck at startup

** Affects: apt (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2107955

Title:
  When restarting esm-cache, the process is stuck

Status in apt package in Ubuntu:
  New

Bug description:
  ubuntu 24.04
  ps -ef | grep apt
  root       29181   28857  0 03:02 ?        00:00:00 apt -y install make g++ openssl libtool libssl-dev pkg-config zlib1g-dev
  root       29382   29181  0 03:02 ?        00:00:00 apt -y install make g++ openssl libtool libssl-dev pkg-config zlib1g-dev
  root       29391   29382  0 03:02 ?        00:00:00 sh -c -- test -x /usr/lib/needrestart/apt-pinvoke && /usr/lib/needrestart/apt-pinvoke -m u || true
  root       29483   29392  0 03:02 ?        00:00:00 systemctl restart apt-news.service cloud-monitor-agent.service esm-cache.service irqbalance-ng.service packagekit.service polkit.service proxima.service rsyslog.service ssh.service systemd-journald.service systemd-networkd.service systemd-resolved.service systemd-udevd.service tuned.service udisks2.service upower.service
  _apt       29648   29495  0 03:02 ?        00:00:00 /usr/lib/apt/methods/https

  
  systemctl status esm-cache.service
  ● esm-cache.service - Update the local ESM caches
       Loaded: loaded (/usr/lib/systemd/system/esm-cache.service; static)
       Active: activating (start) since Tue 2025-04-22 03:02:11 CST; 16h ago
     Main PID: 29495 (python3)
        Tasks: 2 (limit: 37821)
       Memory: 17.3M (peak: 18.9M)
          CPU: 4.450s
       CGroup: /system.slice/esm-cache.service
               ├─29495 /usr/bin/python3 /usr/lib/ubuntu-advantage/esm_cache.py
               └─29648 /usr/lib/apt/methods/https

  Apr 22 03:02:11 iv-ydu5wcv3ls7fzxcplrij systemd[1]: Starting esm-cache.service - Update the local ESM caches...
  Apr 22 03:02:23 iv-ydu5wcv3ls7fzxcplrij python3[29495]: ["2025-04-22T03:02:23.353", "WARNING", "ubuntupro.apt", "fail", 907, "Failed to fetch ESM Apt Cache item: https:>
  Apr 22 03:02:23 iv-ydu5wcv3ls7fzxcplrij python3[29495]: ["2025-04-22T03:02:23.353", "WARNING", "ubuntupro.apt", "fail", 907, "Failed to fetch ESM Apt Cache item: https:>

  
  The apt install process is stuck because the esm-cache service is stuck at startup

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