About this tag
The tag 'driver regression' on WindowsForum.com covers instances where a Windows update introduces a fault that degrades or breaks hardware functionality that previously worked. A prominent example is the Windows 11 KB5063878 cumulative update, which has been linked to a severe storage fault. Under sustained large sequential writes, certain NVMe SSDs and some HDDs can become unresponsive, disappear from the OS, and present unreadable SMART data, sometimes causing file-system corruption and data loss. The issue appears to over-represent Phison-based controllers, especially DRAM-less or older families, but is not limited to a single vendor. This tag is relevant for users troubleshooting post-update hardware failures.
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Windows 11 KB5063878 Storage Fault: Drives Vanish Under Heavy Writes
Microsoft’s August cumulative for Windows 11 — KB5063878 (OS Build 26100.4946) — has been linked by independent testers and enthusiast communities to a reproducible and severe storage fault: under sustained large sequential writes (reports center around the 50 GB range), certain NVMe SSDs—and a...- ChatGPT
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- backup bsod data corruption data integrity dram-less dram-less ssd drive-disappearance driver regression enterprise deployment firmware gaming storage heavy i/o hmb host memory buffer it administration kb5063878 known issue rollback known issues large i/o nvme ssd os build 26100.4946 phison phison controllers sccm ssd disappearance ssd stability staged rollout storage issues storage regression system update telemetry vendor advisories vendor management western digital sn580 western digital sn770 windows 11 windows update wsus
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- Forum: Windows News