https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255263
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: [email protected]
Reporter: [email protected]
My AMD Epyc has an amdsmn and amdtemp:
$ pciconf -l | grep 0x1480
hostb0@pci0:192:0:0: class=0x060000 rev=0x00 hdr=0x00 vendor=0x1022
device=0x1480 subvendor=0x1022 subdevice=0x1450
hostb8@pci0:128:0:0: class=0x060000 rev=0x00 hdr=0x00 vendor=0x1022
device=0x1480 subvendor=0x1022 subdevice=0x1450
hostb16@pci0:64:0:0: class=0x060000 rev=0x00 hdr=0x00 vendor=0x1022
device=0x1480 subvendor=0x1022 subdevice=0x1450
hostb24@pci0:0:0:0: class=0x060000 rev=0x00 hdr=0x00 vendor=0x1022
device=0x1480 subvendor=0x1022 subdevice=0x1450
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’t consider even loading this driver. If we 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"
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