FreeBSD 13.0-RC5 on Intel CPU i5-6200U: .... xhci0: <Intel Sunrise Point-LP USB 3.0 controller> mem 0xf1320000-0xf132ffff at device 20.0 on pci0 xhci0: 32 bytes context size, 64-bit DMA usbus0 on xhci0 usbus0: 5.0Gbps Super Speed USB v3.0 pci0: <simple comms> at device 22.0 (no driver attached) pcib1: <ACPI PCI-PCI bridge> at device 28.0 on pci0 pci1: <ACPI PCI bus> on pcib1 rtsx0: <2.0c Realtek RTS52SA PCI MMC/SD Card Reader> mem 0xf1200000-Oxf1200fff at device 0.0 on pci1 rtsx0: pci_read_config() error - reg: 0xeeffffaa rtsx0: Card absent pcib2: <RCPI PCI-PCI bridge> at device 28.2 on pci0 pci2: <ACPI PCI bus> on pcib2 pci2: <network> at device 0.0 (no driver attached) pcib3: <ACPI PCI-PCI bridge> at device 28.4 on pci0 pci3: <ACPI PCI bus> on pcib3 nvme0: <Generic NVMe Device> mem 0xf1000000-0xf1003fff at device 0.0 on pci3 isab0: <PCI-ISA bridge> at device 31.0 on pci0 isa0: <ISA bus> on isab0 pci0: <memory> at device 31.2 (no driver attached) hdac0: <Intel Sunrise Point-LP HDA Controller> mem 0xf1340000-0xf1343fff,0xf1330000-0x1133ffff at device 3 1.3 on pci0 em0: <Intel(R) PRO/1000 Network Connection> mem 0xf1300000-0xf131ffff at device 31.6 on pci0 em0: Using 1024 TX descriptors and 1024 RX descriptors em0: Using an MSI interrupt em0: Ethernet address: 54:ee:75:ac:51:83 em0: netmap queues/slots: TX 1/1024, RX 1/1024 acpi_tz0: <Thermal Zone> on acpi0 atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0 atkbd0: <AT Keyboard> irq 1 on atkbdc0 kbd0 at atkbd0 atkbd0: [GIANT-LOCKED] psm0: <PS/2 Mouse> irq 12 on atkbdc0 psm@: [GIANT-LOCKED] WARNING: Device "psm" is Giant locked and may be deleted before FreeBSD 14.0. psm0: model Synaptics Touchpad, device ID 0 battery0: <ACPI Control Method Battery> on acpi0 acpi_acad0: <AC Adapter> on acpi0 orm0: <ISA Option ROM> at iomem Oxc0000-0xcffff pnpid ORM0000 on isa0 hwpstate_intel0: <Intel Speed Shift> on cpu0 Adding the following line to /boot/loader.conf helps: hint.hwpstate_intel.0.disabled="1".
Via: https://forums.freebsd.org/threads/freebsd-13-0-rc5-boot-stops-at-intel-speed-shift.79685/