[Bug]: Crash when shutting down FreeBSD 16.0 with 13 devices attached to LSI Logic SAS controller

[snowflake]

Version

7.2.6

Host OS Type

macOS

Host OS name + version

macOS 15.7.3 24G419

Host Architecture

x86

Guest OS Type

other

Guest Architecture

x86

Guest OS name + version

FreeBSD 16.0 built from FreeBSD-src checkout 90a7728cd890

Component

Storage and Virtual Disks

What happened?

I attached 13 disks including a CDROM and 12 hard disks to the LSI Logic SAS controller.

When shutting down FreeBSD with "shutdown -p now" or sending it an ACPI signal, VMBOX crashed.
It does not crash if only 2 disks are attached. Nor does it crash every time.

MacOS crash report:
report.txt

VBOX log:
fbjunk-2026-02-07-09-48-18.log

How can we reproduce this?

Attach 13 disks to a VM.

I don't think the problem is confined to FreeBSD

Did you upload all of your necessary log files, screenshots, etc.?

• Yes, I've uploaded all pertinent files to this issue.

[snowflake]

I attached 15 disks to a Debian machine using the SATA controller. It did not crash on shutdown.

I then attached the same 15 disks to the Debian machine with the LSI Logic SAS controller. It crashed on shutdown. This would appear to exonerate FreeBSD as the cause of the crash.

14 of the disks were 2G in size and had no filesystems.

The problem appears to be with the LSI Logic SAS controller.