Capacity Planning

pr cp 116582 r2

Ubuntu 24.04 LTS – /var filesystem full breaks package and service operations

đź”´ Critical   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 24.04 LTS Ubuntu 24.04 Ubuntu 24.04.1 đź“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention […]

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pr cp 128163 r2

IBM AIX 7.3 – Common Problem 170 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: IBM AIX 7.3 đź“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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pr cp 122150 r2

FreeBSD 15 – expected core dumps are missing due to kern.corefile configuration

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: FreeBSD 15 đź“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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pr cp 120132 r2

Debian 12 – LVM thin pool reaches 100 percent and blocks writes

đź”´ Critical   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 12 đź“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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pr cp 122648 r2

FreeBSD 14 – expected core dumps are missing due to kern.corefile configuration

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: FreeBSD 14 đź“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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pr cp 115575 r2

RHEL 7 auditd Backlog Limit Reached

đźź  High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 7 đź“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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pr cp 111174 r2

Windows Server 2025 — Driver update rollback reintroduces vulnerability patched in newer version — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2025 đź“– ~2 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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pr cp 117059 r2

Ubuntu 22.04 LTS – swap is disabled and memory pressure triggers OOM kills

đźź  High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 đź“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention […]

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pr cp 117568 r2

Ubuntu 20.04 LTS – high CPU from kswapd0 due to memory pressure

đźź  High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 đź“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention […]

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pr cp 111173 r2

Windows Server 2025 — Feature update rollback fails and requires fresh OS installation — Fix & Prevention

đźź  High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2025 đź“– ~2 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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