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Date:      Tue, 13 Jan 2026 06:27:12 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 292423] axagon rss-m2sd m2 to sata bridge device not supported ?
Message-ID:  <bug-292423-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292423

            Bug ID: 292423
           Summary: axagon rss-m2sd m2 to sata bridge device not supported
                    ?
           Product: Base System
           Version: 15.0-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: pi@FreeBSD.org

As 2.5"-SATA SSD supplies dwindle, there are adapters available that allow to
mount m.2 SSDs into 2.5" SATA drive bays.

One of them is this:

https://www.jacob.de/produkte/axagon-rss-m2sd-rss-m2sd-artnr-5993722.html

manufacturer: https://www.axagon.eu/en/products/rss-m2sd

Problem: If plugged into a server and 'camcontrol rescan all', it reports:
ahciem0: Unsupported enclosure interface
(aprobe0:ahciem0:0:0:0): SEP_ATTN IDENTIFY. ACB: 67 ec 02 00 00 40 00 00 00 00
8
0 00
(aprobe0:ahciem0:0:0:0): CAM status: CCB request was invalid
(aprobe0:ahciem0:0:0:0): Error 22, Unretryable error

The code for this seems to be in /usr/src/sys/dev/ahci/ahciem.c - any tips on
how to get this going ?

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