SUSE Linux users: Install this moderate-rated iotop update to fix kernel.task_delayacct detection (bsc#1241104). Patch instructions for 20+ affected products, including SLE 15 SP3-SP7, SAP Applications, and openSUSE Leap 15.6.
Why This iotop Update Matters
The latest SUSE update (Announcement ID: SUSE-RU-2025:02172-1) addresses a critical system monitoring gap in iotop, a top-like utility for tracking disk I/O. The patch ensures proper detection of the kernel.task_delayacct sysctl value—vital for accurate performance diagnostics in enterprise Linux environments.
Key Impact:
🚀 Improved System Monitoring: Corrects I/O accounting for processes in affected SUSE distributions.
⚠️ Moderate Security Rating: Recommended for all production systems.
📅 Released June 30, 2025: Timely deployment minimizes performance reporting errors.
Affected SUSE Linux Products
This update applies to 20+ enterprise and open-source distributions, including:
Enterprise Systems
SUSE Linux Enterprise Server (SP3-SP7, LTSS, SAP Editions)
High Performance Computing (HPC 15 SP3-SP5, ESPOS/LTSS variants)
SUSE Manager (Proxy 4.3, Retail Branch Server 4.3, Server 4.3)
Open-Source & Modular
openSUSE Leap 15.6
Basesystem Module (15-SP6/SP7)
(Full list in original bulletin)
How to Install the iotop Patch
Recommended Methods
YaST Online Update: Automated patching for enterprise environments.
Zypper Command-Line: Manual installation for precise control.
Sample Commands
# For SUSE Linux Enterprise Server 15 SP5: zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-2025-2172=1 # For openSUSE Leap 15.6: zypper in -t patch openSUSE-SLE-15.6-2025-2172=1
(Full command list per product in original bulletin)
Technical Deep Dive: kernel.task_delayacct Fix
Bug Reference: bsc#1241104
Issue: Prior versions of iotop failed to detect the sysctl toggle for task delay accounting, leading to incomplete I/O stats.
Patch Impact: Ensures compatibility with kernel-level performance tuning.
Best Practices for Enterprise Deployment
Test in Staging: Validate patch behavior before rolling out to production.
Monitor Post-Update: Verify I/O metrics in iotop align with kernel logs.
Automate Patching: Use SUSE Manager for large-scale deployments.
FAQ
Q: Is this update security-critical?
A: Rated "moderate"—recommended but not emergency-level.
Q: Does this affect containerized workloads?
A: Only if host systems use iotop for monitoring.
Q: How to verify successful installation?
A: Run iotop --version and confirm output matches 0.6-150000.4.6.2.
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