If both cpus are idling with EFLAGS.IF=1, this would imply that the
kernel thinks it's waiting on a device, yes? One thing you could do
is to track the interaction between the guest and the devices, and see
if you can figure out what it's waiting for and why the thing it's
waiting for isn't happening. You can use xentrace + xenalyze
(http://xenbits.xensource.com/ext/xenalyze.hg) to see all the PIO,
MMIO, and interrupts delivered to the guest.
Unfortunately this would mean understanding at some level the
interface the device presents, which may involve a lot of going
through driver code / going through QEMU, which doesn't sound fun. :-/
Maybe someone else will have some suggestions...
I ended up with a similar-looking problem during boot with a stock
2.6.18.8 kernel, after hacking up a work-around to allow it to get
past the timer synchronization stage. It might be easier to track
down if you have a failure mode that's quicker to reproduce and a
guest kernel that's easier to modify. (But of course there's always
the possibility that it's a different bug with similar symptoms...)
-George
On Wed, Jul 7, 2010 at 7:42 PM, Gianni Tedesco
<gianni.tedesco@xxxxxxxxxx> wrote:
> 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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