NXP Tech Blog

記事を表示中: 07-05-2026 - 07-09-2026

Upgrading from LF6.12 to LF6.18 on i.MX943 brings a noticeable increase in S2R resume latency — from ~1420 ms up to ~3420 ms under default BSP configuration. This is not a regression to be fixed, but an intentional consequence of a critical suspend panic fix introduced in LF6.18. This article explains the root cause behind the PCIe FLR timing change, the secondary CRNG reseeding delay, and provides a confirmed workaround to reduce observable resume time.

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