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[Xen-devel] HVM SMP linux guest hangs in cpu_idle() with EFLAGS.IF = 1



Hi,

I've spent a few weeks investigating a very reproducible guest-hangs bug
which appears to affect all hypervisors from at least 3.4.2 through 4.0
to unstable.

To reproduce setup an RHEL5.2 guest for kickstart network install
something like this:

vmlinuz ks=nfs:1.2.3.4:ks-rhel52.cfg ksdevice=eth0 console=tty0
        console=ttyS0,9600n8 serial initrd=initrd.img root=/dev/ram0

With a vm profile something like this:

kernel = "/usr/lib/xen/boot/hvmloader"
builder = 'hvm'
memory = 128
name = "RHEL5.2-ks"
vcpus = 2
vif = [ 'type=ioemu,bridge=xenbr0,mac=00:26:b9:87:0e:d3' ]
disk = [ 'phy:/dev/sdb1,hda,w' ]
device_model = '/usr/lib/xen/bin/qemu-dm'

As long as VCPU's > 1 the guest repeatedly hangs after userspace has
started. In all cases hvmctx reports that the kernel is spinning away in
cpu_idle() as if waiting for an interrupt and EFLAGS.IF = 1. If a key is
pressed either on kb or via serial the system unhangs itself. The system
still responds to network traffic (eg. ping) during this time but that
doesn't unhang it.

I have ruled out all the usual suspects, timer modes, vpt_align, guest
kernel clock sources, acpi, hpet, hap and oos. With a little debugging I
was able to show that timer IRQ's from HPET as well as RESCHED IPI's
were still getting delivered during the hangs. Full ctx dump follows.

Help! :)

HVM save record for domain 94
Entry 0: type 1 instance 0, length 24
     Header: magic 0x54381286, version 1
             Xen changeset 0
             CPUID[0][%eax] 0x000106a5
             gtsc_khz 2666735
Entry 1: type 2 instance 0, length 1024
    CPU:    rax 0x0000000000000000     rbx 0xffffffff8006ad3b
            rcx 0x0000000000000000     rdx 0x0000000000000000
            rbp 0x0000000000030000     rsi 0x0000000000000001
            rdi 0xffffffff802e5658     rsp 0xffffffff803cff90
             r8 0xffffffff803ce000      r9 0x000000000000003e
            r10 0xffff8100070a0038     r11 0xffff81000769f7a0
            r12 0x0000000000000000     r13 0x0000000000000000
            r14 0x0000000000000000     r15 0x0000000000000000
            rip 0xffffffff8006ad64  rflags 0x0000000000000246
            cr0 0x000000008005003b     cr2 0x000000000042cc00
            cr3 0x0000000006bf9000     cr4 0x00000000000006e0
            dr0 0x0000000000000000     dr1 0x0000000000000000
            dr2 0x0000000000000000     dr3 0x0000000000000000
            dr6 0x00000000ffff0ff0     dr7 0x0000000000000400
             cs 0x00000010 (0x0000000000000000 + 0xffffffff / 0x00a9b)
             ds 0x00000018 (0x0000000000000000 + 0xffffffff / 0x00c93)
             es 0x00000018 (0x0000000000000000 + 0xffffffff / 0x00c93)
             fs 0x00000000 (0x0000000000000000 + 0xffffffff / 0x00c00)
             gs 0x00000000 (0xffffffff8039e000 + 0xffffffff / 0x00c00)
             ss 0x00000018 (0x0000000000000000 + 0xffffffff / 0x00c93)
             tr 0x00000040 (0xffff810001033000 + 0x0000206f / 0x0008b)
           ldtr 0x00000000 (0x0000000000000000 + 0xffffffff / 0x00c00)
           itdr            (0xffffffff8041d000 + 0x00000fff)
           gdtr            (0xffffffff803d0000 + 0x00000080)
    sysenter cs 0x00000010  eip 0xffffffff80061408  esp 0x0000000000000000
      shadow gs 0x0000000000000000
      MSR flags 0x0000000000000007  lstar 0xffffffff8005d098
           star 0x0023001000000000  cstar 0xffffffff80061584
         sfmask 0x0000000000003700   efer 0x0000000000000d01
            tsc 0x0000001af07d0e03
          event 0x00000000 error 0x00000000
    FPU:    fcw 0x037f fsw 0x0000
            ftw 0x00 (0x00) fop 0x0000
          fpuip 0x0000000000000000 fpudp 0x0000000000000000
          mxcsr 0x00001fa0 mask 0x0000ffff
            mm0 0x00000000000000000000 (0x000000000000)
            mm1 0x00000000000000000000 (0x000000000000)
            mm2 0x00000000000000000000 (0x000000000000)
            mm3 0x00000000000000000000 (0x000000000000)
            mm4 0x00000000000000000000 (0x000000000000)
            mm5 0x00000000000000000000 (0x000000000000)
            mm6 0x00000000000000000000 (0x000000000000)
            mm7 0x00000000000000000000 (0x000000000000)
          xmm00 0x00000000000000003fe333333f19999a
          xmm01 0x00000000000000000000000040266666
          xmm02 0x00000000000000000000000000000000
          xmm03 0x00000000000000000000000000000000
          xmm04 0x00000000000000000000000000000000
          xmm05 0x00000000000000000000000000000000
          xmm06 0x00000000000000000000000000000000
          xmm07 0x00000000000000000000000000000000
          xmm08 0x00000000000000000000000000000000
          xmm09 0x00000000000000000000000000000000
          xmm10 0x00000000000000000000000000000000
          xmm11 0x00000000000000000000000000000000
          xmm12 0x00000000000000000000000000000000
          xmm13 0x00000000000000000000000000000000
          xmm14 0x00000000000000000000000000000000
          xmm15 0x00000000000000000000000000000000
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
Entry 2: type 2 instance 1, length 1024
    CPU:    rax 0x0000000000000000     rbx 0xffffffff8006ad3b
            rcx 0x0000000000000000     rdx 0x0000000000000000
            rbp 0x0000000000000001     rsi 0x0000000000000001
            rdi 0xffffffff802e5658     rsp 0xffff81000708fef0
             r8 0xffff81000708e000      r9 0x000000000000003f
            r10 0xffff8100070a0008     r11 0xffff810006b5a200
            r12 0x00000000000000ff     r13 0xffffffff803a6080
            r14 0x0000000000000100     r15 0xffffffff803c8280
            rip 0xffffffff8006ad64  rflags 0x0000000000000246
            cr0 0x000000008005003b     cr2 0x0000000000866290
            cr3 0x0000000000201000     cr4 0x00000000000006e0
            dr0 0x0000000000000000     dr1 0x0000000000000000
            dr2 0x0000000000000000     dr3 0x0000000000000000
            dr6 0x00000000ffff0ff0     dr7 0x0000000000000400
             cs 0x00000010 (0x0000000000000000 + 0xffffffff / 0x00a9b)
             ds 0x00000018 (0x0000000000000000 + 0xffffffff / 0x00c93)
             es 0x00000018 (0x0000000000000000 + 0xffffffff / 0x00c93)
             fs 0x00000000 (0x0000000000000000 + 0xffffffff / 0x00c00)
             gs 0x00000000 (0xffff810007080b40 + 0xffffffff / 0x00c00)
             ss 0x00000000 (0x0000000000000000 + 0xffffffff / 0x00c00)
             tr 0x00000040 (0xffff81000103b580 + 0x0000206f / 0x0008b)
           ldtr 0x00000000 (0x0000000000000000 + 0xffffffff / 0x00c00)
           itdr            (0xffffffff8041d000 + 0x00000fff)
           gdtr            (0xffff810007085000 + 0x00000080)
    sysenter cs 0x00000010  eip 0xffffffff80061408  esp 0x0000000000000000
      shadow gs 0x0000000000000000
      MSR flags 0x0000000000000007  lstar 0xffffffff8005d098
           star 0x0023001000000000  cstar 0xffffffff80061584
         sfmask 0x0000000000003700   efer 0x0000000000000d01
            tsc 0x0000001af07d53b6
          event 0x00000000 error 0x00000000
    FPU:    fcw 0x037f fsw 0x0000
            ftw 0x00 (0x00) fop 0x0000
          fpuip 0x0000000000000000 fpudp 0x0000000000000000
          mxcsr 0x00001fa0 mask 0x0000ffff
            mm0 0x00000000000000000000 (0x000000000000)
            mm1 0x00000000000000000000 (0x000000000000)
            mm2 0x00000000000000000000 (0x000000000000)
            mm3 0x00000000000000000000 (0x000000000000)
            mm4 0x00000000000000000000 (0x000000000000)
            mm5 0x00000000000000000000 (0x000000000000)
            mm6 0x00000000000000000000 (0x000000000000)
            mm7 0x00000000000000000000 (0x000000000000)
          xmm00 0x00000000000000003fe333333f19999a
          xmm01 0x00000000000000000000000040266666
          xmm02 0x00000000000000000000000000000000
          xmm03 0x00000000000000000000000000000000
          xmm04 0x00000000000000000000000000000000
          xmm05 0x00000000000000000000000000000000
          xmm06 0x00000000000000000000000000000000
          xmm07 0x00000000000000000000000000000000
          xmm08 0x00000000000000000000000000000000
          xmm09 0x00000000000000000000000000000000
          xmm10 0x00000000000000000000000000000000
          xmm11 0x00000000000000000000000000000000
          xmm12 0x00000000000000000000000000000000
          xmm13 0x00000000000000000000000000000000
          xmm14 0x00000000000000000000000000000000
          xmm15 0x00000000000000000000000000000000
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
Entry 3: type 3 instance 0, length 8
    PIC: IRQ base 0x20, irr 0x1, imr 0xfa, isr 0
         init_state 0, priority_add 0, readsel_isr 0, poll 0
         auto_eoi 1, rotate_on_auto_eoi 0
         special_fully_nested_mode 0, special_mask_mode 0
         is_master 1, elcr 0x24, int_output 0x1
Entry 4: type 3 instance 1, length 8
    PIC: IRQ base 0x28, irr 0, imr 0xff, isr 0
         init_state 0, priority_add 0, readsel_isr 0, poll 0
         auto_eoi 0, rotate_on_auto_eoi 0
         special_fully_nested_mode 0, special_mask_mode 0
         is_master 0, elcr 0xc, int_output 0
Entry 5: type 4 instance 0, length 400
    IOAPIC: base_address 0xfec00000, ioregsel 0x1c id 0x1
            pin 00: 0x0000000000010000
            pin 01: 0x0000000000000039
            pin 02: 0x0000000000000031
            pin 03: 0x0000000000000041
            pin 04: 0x0000000000000049
            pin 05: 0x000000000001a051
            pin 06: 0x0000000000000059
            pin 07: 0x0000000000000061
            pin 08: 0x0000000000000069
            pin 09: 0x0000000000000071
            pin 10: 0x000000000001a079
            pin 11: 0x000000000001a081
            pin 12: 0x0000000000000089
            pin 13: 0x0000000000000091
            pin 14: 0x0000000000000099
            pin 15: 0x00000000000000a1
            pin 16: 0x0000000000010000
            pin 17: 0x0000000000010000
            pin 18: 0x0000000000010000
            pin 19: 0x0000000000010000
            pin 20: 0x0000000000010000
            pin 21: 0x0000000000010000
            pin 22: 0x0000000000010000
            pin 23: 0x0000000000010000
            pin 24: 0x0000000000010000
            pin 25: 0x0000000000010000
            pin 26: 0x0000000000010000
            pin 27: 0x0000000000010000
            pin 28: 0x0000000000010000
            pin 29: 0x0000000000010000
            pin 30: 0x0000000000010000
            pin 31: 0x0000000000010000
            pin 32: 0x0000000000010000
            pin 33: 0x0000000000010000
            pin 34: 0x0000000000010000
            pin 35: 0x0000000000010000
            pin 36: 0x0000000000010000
            pin 37: 0x0000000000010000
            pin 38: 0x0000000000010000
            pin 39: 0x0000000000010000
            pin 40: 0x0000000000010000
            pin 41: 0x0000000000010000
            pin 42: 0x0000000000010000
            pin 43: 0x0000000000010000
            pin 44: 0x0000000000010000
            pin 45: 0x0000000000010000
            pin 46: 0x0000000000010000
            pin 47: 0x0000000000010000
Entry 6: type 5 instance 0, length 16
    LAPIC: base_msr 0xfee00900, disabled 0, timer_divisor 0x10
Entry 7: type 5 instance 1, length 16
    LAPIC: base_msr 0xfee00800, disabled 0, timer_divisor 0x10
Entry 8: type 6 instance 0, length 1024
    LAPIC registers:
          0x0000: 0x0000000000000000   0x0010: 0x0000000000000000
          0x0020: 0x0000000000000000   0x0030: 0x0000000000050014
          0x0040: 0x0000000000000000   0x0050: 0x0000000000000000
          0x0060: 0x0000000000000000   0x0070: 0x0000000000000000
          0x0080: 0x0000000000000000   0x0090: 0x0000000000000000
          0x00a0: 0x0000000000000000   0x00b0: 0x0000000000000000
          0x00c0: 0x0000000000000000   0x00d0: 0x0000000001000000
          0x00e0: 0x00000000ffffffff   0x00f0: 0x00000000000001ff
          0x0100: 0x0000000000000000   0x0110: 0x0000000000000000
          0x0120: 0x0000000000000000   0x0130: 0x0000000000000000
          0x0140: 0x0000000000000000   0x0150: 0x0000000000000000
          0x0160: 0x0000000000000000   0x0170: 0x0000000000000000
          0x0180: 0x0000000000000000   0x0190: 0x0000000000000000
          0x01a0: 0x0000000000000000   0x01b0: 0x0000000000000000
          0x01c0: 0x0000000000000000   0x01d0: 0x0000000000000000
          0x01e0: 0x0000000000000000   0x01f0: 0x0000000000000000
          0x0200: 0x0000000000000000   0x0210: 0x0000000000000000
          0x0220: 0x0000000000000000   0x0230: 0x0000000000000000
          0x0240: 0x0000000000000000   0x0250: 0x0000000000000000
          0x0260: 0x0000000000000000   0x0270: 0x0000000000000000
          0x0280: 0x0000000000000000   0x0290: 0x0000000000000000
          0x02a0: 0x0000000000000000   0x02b0: 0x0000000000000000
          0x02c0: 0x0000000000000000   0x02d0: 0x0000000000000000
          0x02e0: 0x0000000000000000   0x02f0: 0x0000000000000000
          0x0300: 0x00000000000000fc   0x0310: 0x0000000002000000
          0x0320: 0x00000000000200ef   0x0330: 0x0000000000010000
          0x0340: 0x0000000000010000   0x0350: 0x0000000000000400
          0x0360: 0x0000000000000400   0x0370: 0x00000000000000fe
          0x0380: 0x000000000000186a   0x0390: 0x0000000000000000
          0x03a0: 0x0000000000000000   0x03b0: 0x0000000000000000
          0x03c0: 0x0000000000000000   0x03d0: 0x0000000000000000
          0x03e0: 0x0000000000000003   0x03f0: 0x0000000000000000
Entry 9: type 6 instance 1, length 1024
    LAPIC registers:
          0x0000: 0x0000000000000000   0x0010: 0x0000000000000000
          0x0020: 0x0000000002000000   0x0030: 0x0000000000050014
          0x0040: 0x0000000000000000   0x0050: 0x0000000000000000
          0x0060: 0x0000000000000000   0x0070: 0x0000000000000000
          0x0080: 0x0000000000000000   0x0090: 0x0000000000000000
          0x00a0: 0x0000000000000000   0x00b0: 0x0000000000000000
          0x00c0: 0x0000000000000000   0x00d0: 0x0000000002000000
          0x00e0: 0x00000000ffffffff   0x00f0: 0x00000000000001ff
          0x0100: 0x0000000000000000   0x0110: 0x0000000000000000
          0x0120: 0x0000000000000000   0x0130: 0x0000000000000000
          0x0140: 0x0000000000000000   0x0150: 0x0000000000000000
          0x0160: 0x0000000000000000   0x0170: 0x0000000000000000
          0x0180: 0x0000000000000000   0x0190: 0x0000000000000000
          0x01a0: 0x0000000000000000   0x01b0: 0x0000000000000000
          0x01c0: 0x0000000000000000   0x01d0: 0x0000000000000000
          0x01e0: 0x0000000000000000   0x01f0: 0x0000000000000000
          0x0200: 0x0000000000000000   0x0210: 0x0000000000000000
          0x0220: 0x0000000000000000   0x0230: 0x0000000000000000
          0x0240: 0x0000000000000000   0x0250: 0x0000000000000000
          0x0260: 0x0000000000000000   0x0270: 0x0000000000000000
          0x0280: 0x0000000000000000   0x0290: 0x0000000000000000
          0x02a0: 0x0000000000000000   0x02b0: 0x0000000000000000
          0x02c0: 0x0000000000000000   0x02d0: 0x0000000000000000
          0x02e0: 0x0000000000000000   0x02f0: 0x0000000000000000
          0x0300: 0x00000000000000fd   0x0310: 0x0000000000000000
          0x0320: 0x00000000000200ef   0x0330: 0x0000000000010000
          0x0340: 0x0000000000010000   0x0350: 0x0000000000000400
          0x0360: 0x0000000000010400   0x0370: 0x00000000000000fe
          0x0380: 0x000000000000186a   0x0390: 0x0000000000000000
          0x03a0: 0x0000000000000000   0x03b0: 0x0000000000000000
          0x03c0: 0x0000000000000000   0x03d0: 0x0000000000000000
          0x03e0: 0x0000000000000003   0x03f0: 0x0000000000000000
Entry 10: type 7 instance 0, length 16
    PCI IRQs: 0x00000000000000000000000000000000
Entry 11: type 8 instance 0, length 8
    ISA IRQs: 0x0001
Entry 12: type 9 instance 0, length 8
    PCI LINK: 5 10 11 5
Entry 13: type 10 instance 0, length 56
    PIT: speaker off
         ch 0: count 0x4a9, latched_count 0x4a5, count_latched 0
               status 0, status_latched 0
               rd_state 0x3, wr_state 0x3, wr_latch 0xa9, rw_mode 0x3
               mode 0x2, bcd 0, gate 0x1
         ch 1: count 0x10000, latched_count 0, count_latched 0
               status 0, status_latched 0
               rd_state 0, wr_state 0, wr_latch 0, rw_mode 0
               mode 0xff, bcd 0, gate 0x1
Entry 14: type 11 instance 0, length 16
    RTC: regs 0x18 0x00 0x36 0x00 0x18 0x00 0x03 0x07
              0x07 0x10 0x26 0x02 0x00 0x80, index 0x10
Entry 15: type 12 instance 0, length 1048
    HPET: capability 0xf424008086a201 config 0
          isr 0 counter 0xa1ad6b9c
          timer0 config 0xf0000000000030 cmp 0
          timer0 period 0 fsb 0
          timer1 config 0xf0000000000030 cmp 0
          timer1 period 0 fsb 0
          timer2 config 0xf0000000000030 cmp 0
          timer2 period 0 fsb 0
Entry 16: type 13 instance 0, length 8
    ACPI PM: TMR_VAL 0x8fff, PM1a_STS 0x0, PM1a_EN 0x0
Entry 17: type 14 instance 0, length 240
    MTRR: PAT 0x7040600070406, cap 0x508, default 0xc06
          var 0 0x00000000f0000000 0x0000000ff8000800
          var 1 0x00000000f8000000 0x0000000ffc000800
          var 2 0x0000000000000000 0x0000000000000000
          var 3 0x0000000000000000 0x0000000000000000
          var 4 0x0000000000000000 0x0000000000000000
          var 5 0x0000000000000000 0x0000000000000000
          var 6 0x0000000000000000 0x0000000000000000
          var 7 0x0000000000000000 0x0000000000000000
          fixed 00 0x0606060606060606
          fixed 01 0x0606060606060606
          fixed 02 0x0101010101010101
          fixed 03 0x0606060606060606
          fixed 04 0x0606060606060606
          fixed 05 0x0606060606060606
          fixed 06 0x0606060606060606
          fixed 07 0x0606060606060606
          fixed 08 0x0606060606060606
          fixed 09 0x0606060606060606
          fixed 10 0x0606060606060606
Entry 18: type 14 instance 1, length 240
    MTRR: PAT 0x7040600070406, cap 0x508, default 0xc06
          var 0 0x00000000f0000000 0x0000000ff8000800
          var 1 0x00000000f8000000 0x0000000ffc000800
          var 2 0x0000000000000000 0x0000000000000000
          var 3 0x0000000000000000 0x0000000000000000
          var 4 0x0000000000000000 0x0000000000000000
          var 5 0x0000000000000000 0x0000000000000000
          var 6 0x0000000000000000 0x0000000000000000
          var 7 0x0000000000000000 0x0000000000000000
          fixed 00 0x0606060606060606
          fixed 01 0x0606060606060606
          fixed 02 0x0101010101010101
          fixed 03 0x0606060606060606
          fixed 04 0x0606060606060606
          fixed 05 0x0606060606060606
          fixed 06 0x0606060606060606
          fixed 07 0x0606060606060606
          fixed 08 0x0606060606060606
          fixed 09 0x0606060606060606
          fixed 10 0x0606060606060606
Entry 19: type 0 instance 0, length 0
[scara@habil xen-unstable.hg]$ sudo xen-hvmctx 94 | grep rip
            rip 0xffffffff8006ad64  rflags 0x0000000000000246
            rip 0xffffffff8006ad64  rflags 0x0000000000000246
[scara@habil xen-unstable.hg]$ sudo xen-hvmctx 94
HVM save record for domain 94
Entry 0: type 1 instance 0, length 24
     Header: magic 0x54381286, version 1
             Xen changeset 0
             CPUID[0][%eax] 0x000106a5
             gtsc_khz 2666735
Entry 1: type 2 instance 0, length 1024
    CPU:    rax 0x0000000000000000     rbx 0xffffffff8006ad3b
            rcx 0x0000000000000000     rdx 0x0000000000000000
            rbp 0x0000000000030000     rsi 0x0000000000000001
            rdi 0xffffffff802e5658     rsp 0xffffffff803cff90
             r8 0xffffffff803ce000      r9 0x000000000000003e
            r10 0xffff8100070a0038     r11 0xffff81000769f7a0
            r12 0x0000000000000000     r13 0x0000000000000000
            r14 0x0000000000000000     r15 0x0000000000000000
            rip 0xffffffff8006ad64  rflags 0x0000000000000246
            cr0 0x000000008005003b     cr2 0x000000000042cc00
            cr3 0x0000000006bf9000     cr4 0x00000000000006e0
            dr0 0x0000000000000000     dr1 0x0000000000000000
            dr2 0x0000000000000000     dr3 0x0000000000000000
            dr6 0x00000000ffff0ff0     dr7 0x0000000000000400
             cs 0x00000010 (0x0000000000000000 + 0xffffffff / 0x00a9b)
             ds 0x00000018 (0x0000000000000000 + 0xffffffff / 0x00c93)
             es 0x00000018 (0x0000000000000000 + 0xffffffff / 0x00c93)
             fs 0x00000000 (0x0000000000000000 + 0xffffffff / 0x00c00)
             gs 0x00000000 (0xffffffff8039e000 + 0xffffffff / 0x00c00)
             ss 0x00000018 (0x0000000000000000 + 0xffffffff / 0x00c93)
             tr 0x00000040 (0xffff810001033000 + 0x0000206f / 0x0008b)
           ldtr 0x00000000 (0x0000000000000000 + 0xffffffff / 0x00c00)
           itdr            (0xffffffff8041d000 + 0x00000fff)
           gdtr            (0xffffffff803d0000 + 0x00000080)
    sysenter cs 0x00000010  eip 0xffffffff80061408  esp 0x0000000000000000
      shadow gs 0x0000000000000000
      MSR flags 0x0000000000000007  lstar 0xffffffff8005d098
           star 0x0023001000000000  cstar 0xffffffff80061584
         sfmask 0x0000000000003700   efer 0x0000000000000d01
            tsc 0x0000001ffb1191c5
          event 0x00000000 error 0x00000000
    FPU:    fcw 0x037f fsw 0x0000
            ftw 0x00 (0x00) fop 0x0000
          fpuip 0x0000000000000000 fpudp 0x0000000000000000
          mxcsr 0x00001fa0 mask 0x0000ffff
            mm0 0x00000000000000000000 (0x000000000000)
            mm1 0x00000000000000000000 (0x000000000000)
            mm2 0x00000000000000000000 (0x000000000000)
            mm3 0x00000000000000000000 (0x000000000000)
            mm4 0x00000000000000000000 (0x000000000000)
            mm5 0x00000000000000000000 (0x000000000000)
            mm6 0x00000000000000000000 (0x000000000000)
            mm7 0x00000000000000000000 (0x000000000000)
          xmm00 0x00000000000000003fe333333f19999a
          xmm01 0x00000000000000000000000040266666
          xmm02 0x00000000000000000000000000000000
          xmm03 0x00000000000000000000000000000000
          xmm04 0x00000000000000000000000000000000
          xmm05 0x00000000000000000000000000000000
          xmm06 0x00000000000000000000000000000000
          xmm07 0x00000000000000000000000000000000
          xmm08 0x00000000000000000000000000000000
          xmm09 0x00000000000000000000000000000000
          xmm10 0x00000000000000000000000000000000
          xmm11 0x00000000000000000000000000000000
          xmm12 0x00000000000000000000000000000000
          xmm13 0x00000000000000000000000000000000
          xmm14 0x00000000000000000000000000000000
          xmm15 0x00000000000000000000000000000000
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
Entry 2: type 2 instance 1, length 1024
    CPU:    rax 0x0000000000000000     rbx 0xffffffff8006ad3b
            rcx 0x0000000000000000     rdx 0x0000000000000000
            rbp 0x0000000000000001     rsi 0x0000000000000001
            rdi 0xffffffff802e5658     rsp 0xffff81000708fef0
             r8 0xffff81000708e000      r9 0x000000000000003f
            r10 0xffff8100070a0008     r11 0xffff810006b5a480
            r12 0x00000000000000ff     r13 0xffffffff803a6080
            r14 0x0000000000000100     r15 0xffffffff803c8280
            rip 0xffffffff8006ad64  rflags 0x0000000000000246
            cr0 0x000000008005003b     cr2 0x0000000000866290
            cr3 0x0000000000201000     cr4 0x00000000000006e0
            dr0 0x0000000000000000     dr1 0x0000000000000000
            dr2 0x0000000000000000     dr3 0x0000000000000000
            dr6 0x00000000ffff0ff0     dr7 0x0000000000000400
             cs 0x00000010 (0x0000000000000000 + 0xffffffff / 0x00a9b)
             ds 0x00000018 (0x0000000000000000 + 0xffffffff / 0x00c93)
             es 0x00000018 (0x0000000000000000 + 0xffffffff / 0x00c93)
             fs 0x00000000 (0x0000000000000000 + 0xffffffff / 0x00c00)
             gs 0x00000000 (0xffff810007080b40 + 0xffffffff / 0x00c00)
             ss 0x00000000 (0x0000000000000000 + 0xffffffff / 0x00c00)
             tr 0x00000040 (0xffff81000103b580 + 0x0000206f / 0x0008b)
           ldtr 0x00000000 (0x0000000000000000 + 0xffffffff / 0x00c00)
           itdr            (0xffffffff8041d000 + 0x00000fff)
           gdtr            (0xffff810007085000 + 0x00000080)
    sysenter cs 0x00000010  eip 0xffffffff80061408  esp 0x0000000000000000
      shadow gs 0x0000000000000000
      MSR flags 0x0000000000000007  lstar 0xffffffff8005d098
           star 0x0023001000000000  cstar 0xffffffff80061584
         sfmask 0x0000000000003700   efer 0x0000000000000d01
            tsc 0x0000001ffb11d380
          event 0x00000000 error 0x00000000
    FPU:    fcw 0x037f fsw 0x0000
            ftw 0x00 (0x00) fop 0x0000
          fpuip 0x0000000000000000 fpudp 0x0000000000000000
          mxcsr 0x00001fa0 mask 0x0000ffff
            mm0 0x00000000000000000000 (0x000000000000)
            mm1 0x00000000000000000000 (0x000000000000)
            mm2 0x00000000000000000000 (0x000000000000)
            mm3 0x00000000000000000000 (0x000000000000)
            mm4 0x00000000000000000000 (0x000000000000)
            mm5 0x00000000000000000000 (0x000000000000)
            mm6 0x00000000000000000000 (0x000000000000)
            mm7 0x00000000000000000000 (0x000000000000)
          xmm00 0x00000000000000003fe333333f19999a
          xmm01 0x00000000000000000000000040266666
          xmm02 0x00000000000000000000000000000000
          xmm03 0x00000000000000000000000000000000
          xmm04 0x00000000000000000000000000000000
          xmm05 0x00000000000000000000000000000000
          xmm06 0x00000000000000000000000000000000
          xmm07 0x00000000000000000000000000000000
          xmm08 0x00000000000000000000000000000000
          xmm09 0x00000000000000000000000000000000
          xmm10 0x00000000000000000000000000000000
          xmm11 0x00000000000000000000000000000000
          xmm12 0x00000000000000000000000000000000
          xmm13 0x00000000000000000000000000000000
          xmm14 0x00000000000000000000000000000000
          xmm15 0x00000000000000000000000000000000
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
               (0x00000000000000000000000000000000)
Entry 3: type 3 instance 0, length 8
    PIC: IRQ base 0x20, irr 0x1, imr 0xfa, isr 0
         init_state 0, priority_add 0, readsel_isr 0, poll 0
         auto_eoi 1, rotate_on_auto_eoi 0
         special_fully_nested_mode 0, special_mask_mode 0
         is_master 1, elcr 0x24, int_output 0x1
Entry 4: type 3 instance 1, length 8
    PIC: IRQ base 0x28, irr 0, imr 0xff, isr 0
         init_state 0, priority_add 0, readsel_isr 0, poll 0
         auto_eoi 0, rotate_on_auto_eoi 0
         special_fully_nested_mode 0, special_mask_mode 0
         is_master 0, elcr 0xc, int_output 0
Entry 5: type 4 instance 0, length 400
    IOAPIC: base_address 0xfec00000, ioregsel 0x1c id 0x1
            pin 00: 0x0000000000010000
            pin 01: 0x0000000000000039
            pin 02: 0x0000000000000031
            pin 03: 0x0000000000000041
            pin 04: 0x0000000000000049
            pin 05: 0x000000000001a051
            pin 06: 0x0000000000000059
            pin 07: 0x0000000000000061
            pin 08: 0x0000000000000069
            pin 09: 0x0000000000000071
            pin 10: 0x000000000001a079
            pin 11: 0x000000000001a081
            pin 12: 0x0000000000000089
            pin 13: 0x0000000000000091
            pin 14: 0x0000000000000099
            pin 15: 0x00000000000000a1
            pin 16: 0x0000000000010000
            pin 17: 0x0000000000010000
            pin 18: 0x0000000000010000
            pin 19: 0x0000000000010000
            pin 20: 0x0000000000010000
            pin 21: 0x0000000000010000
            pin 22: 0x0000000000010000
            pin 23: 0x0000000000010000
            pin 24: 0x0000000000010000
            pin 25: 0x0000000000010000
            pin 26: 0x0000000000010000
            pin 27: 0x0000000000010000
            pin 28: 0x0000000000010000
            pin 29: 0x0000000000010000
            pin 30: 0x0000000000010000
            pin 31: 0x0000000000010000
            pin 32: 0x0000000000010000
            pin 33: 0x0000000000010000
            pin 34: 0x0000000000010000
            pin 35: 0x0000000000010000
            pin 36: 0x0000000000010000
            pin 37: 0x0000000000010000
            pin 38: 0x0000000000010000
            pin 39: 0x0000000000010000
            pin 40: 0x0000000000010000
            pin 41: 0x0000000000010000
            pin 42: 0x0000000000010000
            pin 43: 0x0000000000010000
            pin 44: 0x0000000000010000
            pin 45: 0x0000000000010000
            pin 46: 0x0000000000010000
            pin 47: 0x0000000000010000
Entry 6: type 5 instance 0, length 16
    LAPIC: base_msr 0xfee00900, disabled 0, timer_divisor 0x10
Entry 7: type 5 instance 1, length 16
    LAPIC: base_msr 0xfee00800, disabled 0, timer_divisor 0x10
Entry 8: type 6 instance 0, length 1024
    LAPIC registers:
          0x0000: 0x0000000000000000   0x0010: 0x0000000000000000
          0x0020: 0x0000000000000000   0x0030: 0x0000000000050014
          0x0040: 0x0000000000000000   0x0050: 0x0000000000000000
          0x0060: 0x0000000000000000   0x0070: 0x0000000000000000
          0x0080: 0x0000000000000000   0x0090: 0x0000000000000000
          0x00a0: 0x0000000000000000   0x00b0: 0x0000000000000000
          0x00c0: 0x0000000000000000   0x00d0: 0x0000000001000000
          0x00e0: 0x00000000ffffffff   0x00f0: 0x00000000000001ff
          0x0100: 0x0000000000000000   0x0110: 0x0000000000000000
          0x0120: 0x0000000000000000   0x0130: 0x0000000000000000
          0x0140: 0x0000000000000000   0x0150: 0x0000000000000000
          0x0160: 0x0000000000000000   0x0170: 0x0000000000000000
          0x0180: 0x0000000000000000   0x0190: 0x0000000000000000
          0x01a0: 0x0000000000000000   0x01b0: 0x0000000000000000
          0x01c0: 0x0000000000000000   0x01d0: 0x0000000000000000
          0x01e0: 0x0000000000000000   0x01f0: 0x0000000000000000
          0x0200: 0x0000000000000000   0x0210: 0x0000000000000000
          0x0220: 0x0000000000000000   0x0230: 0x0000000000000000
          0x0240: 0x0000000000000000   0x0250: 0x0000000000000000
          0x0260: 0x0000000000000000   0x0270: 0x0000000000000000
          0x0280: 0x0000000000000000   0x0290: 0x0000000000000000
          0x02a0: 0x0000000000000000   0x02b0: 0x0000000000000000
          0x02c0: 0x0000000000000000   0x02d0: 0x0000000000000000
          0x02e0: 0x0000000000000000   0x02f0: 0x0000000000000000
          0x0300: 0x00000000000000fc   0x0310: 0x0000000002000000
          0x0320: 0x00000000000200ef   0x0330: 0x0000000000010000
          0x0340: 0x0000000000010000   0x0350: 0x0000000000000400
          0x0360: 0x0000000000000400   0x0370: 0x00000000000000fe
          0x0380: 0x000000000000186a   0x0390: 0x0000000000000000
          0x03a0: 0x0000000000000000   0x03b0: 0x0000000000000000
          0x03c0: 0x0000000000000000   0x03d0: 0x0000000000000000
          0x03e0: 0x0000000000000003   0x03f0: 0x0000000000000000
Entry 9: type 6 instance 1, length 1024
    LAPIC registers:
          0x0000: 0x0000000000000000   0x0010: 0x0000000000000000
          0x0020: 0x0000000002000000   0x0030: 0x0000000000050014
          0x0040: 0x0000000000000000   0x0050: 0x0000000000000000
          0x0060: 0x0000000000000000   0x0070: 0x0000000000000000
          0x0080: 0x0000000000000000   0x0090: 0x0000000000000000
          0x00a0: 0x0000000000000000   0x00b0: 0x0000000000000000
          0x00c0: 0x0000000000000000   0x00d0: 0x0000000002000000
          0x00e0: 0x00000000ffffffff   0x00f0: 0x00000000000001ff
          0x0100: 0x0000000000000000   0x0110: 0x0000000000000000
          0x0120: 0x0000000000000000   0x0130: 0x0000000000000000
          0x0140: 0x0000000000000000   0x0150: 0x0000000000000000
          0x0160: 0x0000000000000000   0x0170: 0x0000000000000000
          0x0180: 0x0000000000000000   0x0190: 0x0000000000000000
          0x01a0: 0x0000000000000000   0x01b0: 0x0000000000000000
          0x01c0: 0x0000000000000000   0x01d0: 0x0000000000000000
          0x01e0: 0x0000000000000000   0x01f0: 0x0000000000000000
          0x0200: 0x0000000000000000   0x0210: 0x0000000000000000
          0x0220: 0x0000000000000000   0x0230: 0x0000000000000000
          0x0240: 0x0000000000000000   0x0250: 0x0000000000000000
          0x0260: 0x0000000000000000   0x0270: 0x0000000000000000
          0x0280: 0x0000000000000000   0x0290: 0x0000000000000000
          0x02a0: 0x0000000000000000   0x02b0: 0x0000000000000000
          0x02c0: 0x0000000000000000   0x02d0: 0x0000000000000000
          0x02e0: 0x0000000000000000   0x02f0: 0x0000000000000000
          0x0300: 0x00000000000000fd   0x0310: 0x0000000000000000
          0x0320: 0x00000000000200ef   0x0330: 0x0000000000010000
          0x0340: 0x0000000000010000   0x0350: 0x0000000000000400
          0x0360: 0x0000000000010400   0x0370: 0x00000000000000fe
          0x0380: 0x000000000000186a   0x0390: 0x0000000000000000
          0x03a0: 0x0000000000000000   0x03b0: 0x0000000000000000
          0x03c0: 0x0000000000000000   0x03d0: 0x0000000000000000
          0x03e0: 0x0000000000000003   0x03f0: 0x0000000000000000
Entry 10: type 7 instance 0, length 16
    PCI IRQs: 0x00000000000000000000000000000000
Entry 11: type 8 instance 0, length 8
    ISA IRQs: 0x0001
Entry 12: type 9 instance 0, length 8
    PCI LINK: 5 10 11 5
Entry 13: type 10 instance 0, length 56
    PIT: speaker off
         ch 0: count 0x4a9, latched_count 0x4a7, count_latched 0
               status 0, status_latched 0
               rd_state 0x3, wr_state 0x3, wr_latch 0xa9, rw_mode 0x3
               mode 0x2, bcd 0, gate 0x1
         ch 1: count 0x10000, latched_count 0, count_latched 0
               status 0, status_latched 0
               rd_state 0, wr_state 0, wr_latch 0, rw_mode 0
               mode 0xff, bcd 0, gate 0x1
Entry 14: type 11 instance 0, length 16
    RTC: regs 0x26 0x00 0x36 0x00 0x18 0x00 0x03 0x07
              0x07 0x10 0x26 0x02 0x00 0x80, index 0x10
Entry 15: type 12 instance 0, length 1048
    HPET: capability 0xf424008086a201 config 0
          isr 0 counter 0xbfed04a9
          timer0 config 0xf0000000000030 cmp 0
          timer0 period 0 fsb 0
          timer1 config 0xf0000000000030 cmp 0
          timer1 period 0 fsb 0
          timer2 config 0xf0000000000030 cmp 0
          timer2 period 0 fsb 0
Entry 16: type 13 instance 0, length 8
    ACPI PM: TMR_VAL 0x8fff, PM1a_STS 0x0, PM1a_EN 0x0
Entry 17: type 14 instance 0, length 240
    MTRR: PAT 0x7040600070406, cap 0x508, default 0xc06
          var 0 0x00000000f0000000 0x0000000ff8000800
          var 1 0x00000000f8000000 0x0000000ffc000800
          var 2 0x0000000000000000 0x0000000000000000
          var 3 0x0000000000000000 0x0000000000000000
          var 4 0x0000000000000000 0x0000000000000000
          var 5 0x0000000000000000 0x0000000000000000
          var 6 0x0000000000000000 0x0000000000000000
          var 7 0x0000000000000000 0x0000000000000000
          fixed 00 0x0606060606060606
          fixed 01 0x0606060606060606
          fixed 02 0x0101010101010101
          fixed 03 0x0606060606060606
          fixed 04 0x0606060606060606
          fixed 05 0x0606060606060606
          fixed 06 0x0606060606060606
          fixed 07 0x0606060606060606
          fixed 08 0x0606060606060606
          fixed 09 0x0606060606060606
          fixed 10 0x0606060606060606
Entry 18: type 14 instance 1, length 240
    MTRR: PAT 0x7040600070406, cap 0x508, default 0xc06
          var 0 0x00000000f0000000 0x0000000ff8000800
          var 1 0x00000000f8000000 0x0000000ffc000800
          var 2 0x0000000000000000 0x0000000000000000
          var 3 0x0000000000000000 0x0000000000000000
          var 4 0x0000000000000000 0x0000000000000000
          var 5 0x0000000000000000 0x0000000000000000
          var 6 0x0000000000000000 0x0000000000000000
          var 7 0x0000000000000000 0x0000000000000000
          fixed 00 0x0606060606060606
          fixed 01 0x0606060606060606
          fixed 02 0x0101010101010101
          fixed 03 0x0606060606060606
          fixed 04 0x0606060606060606
          fixed 05 0x0606060606060606
          fixed 06 0x0606060606060606
          fixed 07 0x0606060606060606
          fixed 08 0x0606060606060606
          fixed 09 0x0606060606060606
          fixed 10 0x0606060606060606
Entry 19: type 0 instance 0, length 0



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