Hi Greg,
Just tested on my machine:
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 4.4.110_pt_linux-v4.4.110
(ptatashi@ca-ostest441) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-16)
(GCC) ) #1 SMP Fri Jan 5 07:22:34 PST 2018
[ 0.000000] Command line:
BOOT_IMAGE=/vmlinuz-4.4.110_pt_linux-v4.4.110
root=UUID=fe908085-0117-442b-a57c-ce651cc95b38 ro crashkernel=auto
console=ttyS0,115200 LANG=en_US.UTF-8
[ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x01: 'x87 floating
point registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x02: 'SSE registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x04: 'AVX registers'
[ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832
bytes, using 'standard' format.
<cut>
[ 3.457106] hub 1-0:1.0: USB hub found
[ 3.461298] hub 1-0:1.0: 2 ports detected
[ 3.466173] ehci-pci 0000:00:1d.0: EHCI Host Controller
[ 3.472111] ehci-pci 0000:00:1d.0: new USB bus registered, assigned
bus number 2
[ 3.480381] ehci-pci 0000:00:1d.0: debug port 2
[ 3.489571] ehci-pci 0000:00:1d.0: irq 18, io mem 0xc7101000
[ 3.501393] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00
[ 3.507855] usb usb2: New USB device found, idVendor=1d6b,
idProduct=0002
[ 3.515436] usb usb2: New USB device strings: Mfr=3, Product=2,
SerialNumber=1
[ 3.523500] usb usb2: Product: EHCI Host Controller
[ 3.528947] usb usb2: Manufacturer: Linux 4.4.110_pt_linux-v4.4.110
ehci_hcd
[ 3.536816] usb usb2: SerialNumber: 0000:00:1d.0
[ 3.542107] hub 2-0:1.0: USB hub found
[ 3.546301] hub 2-0:1.0: 2 ports detected
[ 3.550942] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 3.557854] ohci-pci: OHCI PCI platform driver
[ 3.562844] uhci_hcd: USB Universal Host Controller Interface driver
[ 3.570032] usbcore: registered new interface driver usbserial
[ 3.576550] usbcore: registered new interface driver
usbserial_generic
[ 3.583844] usbserial: USB Serial support registered for generic
[ 3.590570] i8042: PNP: No PS/2 controller found. Probing ports
directly.
[ 3.995383] tsc: Refined TSC clocksource calibration: 2195.099 MHz
[ 4.002289] clocksource: tsc: mask: 0xffffffffffffffff max_cycles:
0x1fa41d170d9, max_idle_ns: 440795288527 ns
[ 4.046414] usb 2-1: new high-speed USB device number 2 using
ehci-pci
[ 4.174758] usb 2-1: New USB device found, idVendor=8087,
idProduct=8002
[ 4.182245] usb 2-1: New USB device strings: Mfr=0, Product=0,
SerialNumber=0
[ 4.190382] hub 2-1:1.0: USB hub found
[ 4.194609] hub 2-1:1.0: 8 ports detected
[ 4.637363] i8042: No controller found
[ 4.641646] mousedev: PS/2 mouse device common for all mice
[ 4.648117] rtc_cmos 00:00: RTC can wake from S4
[ 4.653447] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
[ 4.660272] rtc_cmos 00:00: alarms up to one month, y3k, 114 bytes
nvram, hpet irqs
[ 4.669050] Intel P-state driver initializing.
[ 4.676630] EFI Variables Facility v0.08 2004-May-17
<hangs here>
Reboots after about 30 seconds.
Boots fine with nopti option.
Thank you,
Pavel
