[Bug 251610] rc.d/zpool runs before ada(4) attaches

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 01 Oct 2023 16:47:29 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251610

Graham Perrin <grahamperrin@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|patch                       |needs-qa
                 CC|                            |fs@FreeBSD.org
             Status|New                         |Open
                URL|                            |https://github.com/freebsd/
                   |                            |freebsd-src/blob/main/libex
                   |                            |ec/rc/rc.d/dumpon
            Summary|[patch] rc.d/zpool runs     |rc.d/zpool runs before
                   |before ada(4) attaches      |ada(4) attaches

--- Comment #6 from Graham Perrin <grahamperrin@gmail.com> ---
(In reply to Harald Schmalzbauer from comment #0)

> … probably also true for nvd(4) backed root systems, …

Is the situation significantly different with 15.0-CURRENT? 

<https://cgit.freebsd.org/src/log/?qt=grep&q=nvd>, a few things catch my eye.


(In reply to Harald Schmalzbauer from comment #1)

% git -C /usr/src pull --ff-only freebsd main
From https://git.freebsd.org/src
 * branch                      main       -> FETCH_HEAD
Already up to date.
% git -C /usr/src apply --check --verbose /tmp/222477.patch
Checking patch libexec/rc/rc.d/dumpon...
Hunk #1 succeeded at 47 (offset 12 lines).
% 


(In reply to Hauke Fath from comment #4)

Re: <https://old.reddit.com/r/freebsd/comments/n0rxud/-/gwbx5up/> for reference
only, 

% sysctl -d kern.cam.boot_delay kern.cam.scsi_delay
kern.cam.boot_delay: Bus registration wait time
kern.cam.scsi_delay: Delay to allow devices to settle after a SCSI bus reset
(ms)
%

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