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Date:      Fri, 14 Jun 2024 14:28:55 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 279737] mpi3mr running out of chain in 14.1-RELEASE
Message-ID:  <bug-279737-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D279737

            Bug ID: 279737
           Summary: mpi3mr running out of chain in 14.1-RELEASE
           Product: Base System
           Version: Unspecified
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: misc
          Assignee: bugs@FreeBSD.org
          Reporter: bsd.m0osk@gmail.com

hardware: Dell PowerEdge R760xd2=20
Storage Controller: Dell HBA355i Adp

extract from pciconf -lv

mpr0@pci0:80:0:0:       class=3D0x010700 rev=3D0x00 hdr=3D0x00 vendor=3D0x1=
000
device=3D0x00e6 subvendor=3D0x1028 subdevice=3D0x200b
    vendor     =3D 'Broadcom / LSI'
    device     =3D 'Fusion-MPT 12GSAS/PCIe Secure SAS38xx'
    class      =3D mass storage
    subclass   =3D SAS


# cat /boot/loader.conf
zfs_load=3D"YES"
mpi3mr_load=3D"YES"
hw.mpr.max_chains=3D"16384"
dev.mpr.0.max_chains=3D"16384"

If booting from 14.0-RELEASEp6, the system boots without any issue

when booting from 14.1-RELEASE, it fails to boot.

How to reproduce:
1. boot from a fresh installer. The boot fails to detect the drives and the
message on the display indicating error is

mpr0: Out of chain frames, consider increasing hw.mpr.max_chains

I have used the loader prompt and put
set hw.mpr.max_chains=3D16384
set dev.mpr.0.max_chains=3D16384
boot

that too fails

2. install a system with 14.0-RELEASE, put the values in /boot/loader.conf,=
 the
system boots without any problem/glitch

try to upgrade to 14.1-RELEASE, after the first phase (kernel update) the
system fails to boot.

Tried going to loader prompt, put the the variables as above, still it fails

However, if you select the old kernel, it boots without any issue.


If further informaiont/details are required, please ask.

Thanks and regards
SK

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