[Bug 2158485] [NEW] Ceph mgr crashing due to Python issue

[Andrei Goldchleger]

Public bug reported:

I am experiencing several ceph mgr crashes due to Python issues in
various modules:

ceph crash info:

{
    "backtrace": [],
    "ceph_version": "20.2.0",
    "crash_id": "2026-06-19T21:03:14.868757Z_79af6a29-cd12-4615-9ea0-b7145dafb990",
    "entity_name": "mgr.vbtsrv02",
    "mgr_module": "status",
    "mgr_module_caller": "PyModule::load_subclass_of",
    "mgr_python_exception": "AttributeError",
    "os_id": "26.04",
    "os_name": "Ubuntu 26.04 LTS",
    "os_version": "26.04 LTS (Resolute Raccoon)",
    "os_version_id": "26.04",
    "process_name": "ceph-mgr",
    "stack_sig": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
    "timestamp": "2026-06-19T21:03:14.868757Z",
    "utsname_hostname": "vbtsrv02",
    "utsname_machine": "x86_64",
    "utsname_release": "7.0.0-22-generic",
    "utsname_sysname": "Linux",
    "utsname_version": "#22-Ubuntu SMP PREEMPT_DYNAMIC Mon May 25 15:54:34 UTC 2026"
}

I have similar entries for modules progress, iostat, crash, telemetry,
orchestrator, osd_perf_query, and pg_autoscaler

ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: ceph 20.2.0-0ubuntu2
ProcVersionSignature: Ubuntu 7.0.0-22.22-generic 7.0.0
Uname: Linux 7.0.0-22-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
Date: Fri Jun 26 19:42:28 2026
InstallationDate: Installed on 2026-06-18 (8 days ago)
InstallationMedia: Ubuntu-Server 26.04 "Resolute Raccoon" - Release amd64 (20260420.1)
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm
SourcePackage: ceph
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug resolute

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https://bugs.launchpad.net/bugs/2158485

Title:
  Ceph mgr crashing due to Python issue

Status in ceph package in Ubuntu:
  New

Bug description:
  I am experiencing several ceph mgr crashes due to Python issues in
  various modules:

  ceph crash info:

  {
      "backtrace": [],
      "ceph_version": "20.2.0",
      "crash_id": "2026-06-19T21:03:14.868757Z_79af6a29-cd12-4615-9ea0-b7145dafb990",
      "entity_name": "mgr.vbtsrv02",
      "mgr_module": "status",
      "mgr_module_caller": "PyModule::load_subclass_of",
      "mgr_python_exception": "AttributeError",
      "os_id": "26.04",
      "os_name": "Ubuntu 26.04 LTS",
      "os_version": "26.04 LTS (Resolute Raccoon)",
      "os_version_id": "26.04",
      "process_name": "ceph-mgr",
      "stack_sig": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
      "timestamp": "2026-06-19T21:03:14.868757Z",
      "utsname_hostname": "vbtsrv02",
      "utsname_machine": "x86_64",
      "utsname_release": "7.0.0-22-generic",
      "utsname_sysname": "Linux",
      "utsname_version": "#22-Ubuntu SMP PREEMPT_DYNAMIC Mon May 25 15:54:34 UTC 2026"
  }

  I have similar entries for modules progress, iostat, crash, telemetry,
  orchestrator, osd_perf_query, and pg_autoscaler

  ProblemType: Bug
  DistroRelease: Ubuntu 26.04
  Package: ceph 20.2.0-0ubuntu2
  ProcVersionSignature: Ubuntu 7.0.0-22.22-generic 7.0.0
  Uname: Linux 7.0.0-22-generic x86_64
  ApportVersion: 2.34.0-0ubuntu2
  Architecture: amd64
  CasperMD5CheckResult: pass
  Date: Fri Jun 26 19:42:28 2026
  InstallationDate: Installed on 2026-06-18 (8 days ago)
  InstallationMedia: Ubuntu-Server 26.04 "Resolute Raccoon" - Release amd64 (20260420.1)
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm
  SourcePackage: ceph
  UpgradeStatus: No upgrade log present (probably fresh install)

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