ZFS: panic: VERIFY3(dev->l2ad_hand <= dev->l2ad_evict) failed

[Graham Perrin]

Three panics with c2c9ac88c2bb (2023-05-26, 1400089):

<https://reviews.freebsd.org/P569> Dumptime: 2023-05-27 03:17:16 +0100

<https://reviews.freebsd.org/P570> Dumptime: 2023-05-27 03:41:03 +0100

<https://reviews.freebsd.org/P571> Dumptime: 2023-05-27 14:03:32 +0100

Are they symptomatic of <https://github.com/openzfs/zfs/issues/13899> (fixed 2023-05-09 with <https://github.com/openzfs/zfs/commit/d38c815fe27c033564d1f7cc769e74eba11cfb83>), or should I treat today's panics as separate?

The first panic occurred during installworld, uptime five minutes.

The second was in single user mode, when I took the third of three L2ARC devices online, uptime twenty-two minutes. The third panic was whilst using Plasma, without the device that featured in the second panic, uptime twenty-three minutes. The result of a probe at 07:49 UTC: <https://bsd-hardware.info/?probe=65376d6b42>

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