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CONTAP-332797: WAFL Hang After Virtual NVRAM DMA Does Not Complete

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Issue

On certain cloud-based systems, a virtual NVRAM DMA operation may fail to start without reporting an error. The operation remains incomplete, preventing affected I/O requests from being acknowledged. As resources become unavailable, WAFL operations may stop progressing and the system may hang.
The observed message is: Panic on cpu#6 : PANIC: WAFL hung for aggr_01. in SK process wafl_exempt01

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