From owner-freebsd-arm@freebsd.org  Wed Feb 10 21:55:32 2021
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To: freebsd-arm@freebsd.org
From: Jesper Schmitz Mouridsen <jsm@FreeBSD.org>
Subject: nvme dma returns EFBIG (27)
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Date: Wed, 10 Feb 2021 22:55:27 +0100
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Hi

I can dd blocks from /dev/nda0p0 but I cannot run newfs.

It prints nvme0: nvme_payload_map: err  27.  and ctrl+t shows it is 
stuck in physwri

https://github.com/freebsd/freebsd-src/blob/a6dc68c0e0f8a24ffaf0b4e78e58141ef7897047/sys/dev/nvme/nvme_qpair.c#L1003

https://github.com/freebsd/freebsd-src/blob/c6c70c074633569447be4bfd2b694a1c294015bd/sys/dev/nvme/nvme_qpair.c#L567

I could format as ext4 under Linux.

Any hints or pointers are welcome.

Thanks

Jesper