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Date:      Tue, 20 Apr 2021 13:59:22 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 255263] amdsmn and amdtemp not loaded by devmatch on AMD Epyc
Message-ID:  <bug-255263-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D255263

            Bug ID: 255263
           Summary: amdsmn and amdtemp not loaded by devmatch on AMD Epyc
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: bin
          Assignee: bugs@FreeBSD.org
          Reporter: olivier@freebsd.org

My AMD Epyc has an amdsmn and amdtemp:

$ pciconf -l | grep 0x1480
hostb0@pci0:192:0:0:    class=3D0x060000 rev=3D0x00 hdr=3D0x00 vendor=3D0x1=
022
device=3D0x1480 subvendor=3D0x1022 subdevice=3D0x1450
hostb8@pci0:128:0:0:    class=3D0x060000 rev=3D0x00 hdr=3D0x00 vendor=3D0x1=
022
device=3D0x1480 subvendor=3D0x1022 subdevice=3D0x1450
hostb16@pci0:64:0:0:    class=3D0x060000 rev=3D0x00 hdr=3D0x00 vendor=3D0x1=
022
device=3D0x1480 subvendor=3D0x1022 subdevice=3D0x1450
hostb24@pci0:0:0:0:     class=3D0x060000 rev=3D0x00 hdr=3D0x00 vendor=3D0x1=
022
device=3D0x1480 subvendor=3D0x1022 subdevice=3D0x1450

But devmatch isn't able to load them

"because there is a mis-match between hostb and pci."

and

"So this driver attaches to the various host bridges. These bridges have
drivers. So, devmatch won=E2=80=99t consider even loading this driver. If w=
e fix the
pci -> hostb message, it highlights a mismatch between pci vs hostb in the
module_pnp_info tables. This driver is a bit unique and only adds itself as=
 a
child to an otherwise passive hostb0 device"

--=20
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