[Bug 289651] scrub of read-only zpool hangs process

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 17 Sep 2025 04:49:48 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289651

Graham Perrin <grahamperrin@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |asomers@FreeBSD.org

--- Comment #4 from Graham Perrin <grahamperrin@gmail.com> ---
> 14.3-RELEASE

(In reply to Ron from comment #2)

> … didn't get a kernel panic, …

The GENERIC kernel with RELEASE does not use the INVARIANTS option, which can
assist with debugging. The backtrace given by Alan Somers at
<https://github.com/openzfs/zfs/issues/17527#issuecomment-3267036313>, for
example. 

With 15.0-CURRENT (past) and 16.0-CURRENT, the option is, by default: 

- enabled in the GENERIC kernel
- disabled in the GENERIC-NODEBUG kernel.

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