** perf_fuzzer *** by Vince Weaver
Seeding random number generator with 1394468067
Kernel max sample rate currently: 6250/s
==================================================
Fuzzing the following syscalls:
mmap perf_event_open close read write ioctl fork prctl poll
*NOT* Fuzzing the following syscalls:
Also attempting the following:
signal-handler-on-overflow busy-instruction-loop accessing-perf-proc-and
-sys-files trashing-the-mmap-page
*NOT* attempting the following:
==================================================
Iteration 10000
Open attempts: 376054 Successful: 922
EPERM : 19
ENOENT : 955
E2BIG : 40741
EBADF : 5786
EINVAL : 327034
ENOSPC : 31
EOPNOTSUPP : 566
Close attempts: 907 Successful: 907
Read attempts: 888 Successful: 752
Write attempts: 821 Successful: 0
Ioctl attempts: 838 Successful: 311
Mmap attempts: 922 Successful: 248
Prctl attempts: 964 Successful: 964
Fork attempts: 459 Successful: 459
Poll attempts: 885 Successful: 3
Access attempts: 941 Successful: 471
Trash mmap attempts: 832 Successful: 832
Overflows: 0
SIGIOs due to RT signal queue full: 0
[ 2696.228000] BUG: soft lockup - CPU#0 stuck for 23s! [perf_fuzzer:10256]
[ 2696.228000] Modules linked in: cpufreq_userspace cpufreq_stats cpufreq_powers
ave cpufreq_conservative f71882fg ohci_pci acpi_cpufreq coretemp evdev video mcs
7830 usbnet wmi psmouse processor button thermal_sys serio_raw pcspkr ohci_hcd i
2c_nforce2 sg ehci_pci ehci_hcd sd_mod usbcore usb_common
[ 2696.228000] CPU: 0 PID: 10256 Comm: perf_fuzzer Not tainted 3.14.0-rc6 #36
[ 2696.228000] Hardware name: AOpen DE7000/nMCP7ALPx-DE R1.06 Oct.19.2012, BIO
S 080015 10/19/2012
[ 2696.228000] task: ffff88011a6a17e0 ti: ffff8800cbab6000 task.ti: ffff8800cbab
6000
[ 2696.228000] RIP: 0010:[] [] __perf_sw_ev
ent+0x117/0x192
[ 2696.228000] RSP: 0000:ffff8800cbab7c88 EFLAGS: 00000246
[ 2696.228000] RAX: ffff88011a7b5cba RBX: 0000000000000000 RCX: ffff88011a9c4000
[ 2696.228000] RDX: ffff88011a7b5c00 RSI: 0400000000000000 RDI: 4000000000000000
[ 2696.228000] RBP: ffff8800cbab7d48 R08: 0010000000000000 R09: ffff88011fc12ac0
[ 2696.228000] R10: 0000000000000000 R11: ffff880119dfcb60 R12: 0000000000000000
[ 2696.228000] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 2696.228000] FS: 0000000000bd5840(0063) GS:ffff88011fc00000(0000) knlGS:00000
00000000000
[ 2696.228000] CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b
[ 2696.228000] CR2: 0000000000bd5ac8 CR3: 00000000ca4c8000 CR4: 00000000000407f0
[ 2696.228000] DR0: 0000000000bd7000 DR1: 0000000000bd7000 DR2: 0000000000000000
[ 2696.228000] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[ 2696.228000] Stack:
[ 2696.228000] 0000000000000000 0000000000000000 0000000000000000 0000000000000
000
[ 2696.228000] 0000000000bd5ac8 0000000000000000 0000000000000000 0000000000000
000
[ 2696.228000] 0000000000000000 0000000000000000 0000000000000000 0000000000000
000
[ 2696.228000] Call Trace:
[ 2696.228000] [] __do_page_fault+0x1b1/0x3ed
[ 2696.228000] [] ? native_sched_clock+0x21/0x3e
[ 2696.228000] [] ? sched_clock_local+0x1c/0x82
[ 2696.228000] [] ? sched_clock_cpu+0x8e/0xaa
[ 2696.228000] [] ? local_clock+0x1b/0x24
[ 2696.228000] [] ? ctx_sched_in+0x35/0x185
[ 2696.228000] [] do_page_fault+0xc/0xe
[ 2696.228000] [] page_fault+0x22/0x30
[ 2696.228000] [] ? __put_user_4+0x20/0x30
[ 2696.228000] [] ? schedule_tail+0x5c/0x60
[ 2696.228000] [] ret_from_fork+0xf/0xb0
[ 2696.228000] Code: 00 48 8d 50 c0 48 85 c0 4c 0f 45 ea eb 50 41 83 bd c0 00 00
00 01 75 39 4d 39 bd c8 00 00 00 75 30 41 f6 85 90 01 00 00 01 75 26 <48> 85 db
74 4d 41 8a 85 e8 00 00 00 a8 10 74 09 f6 83 88 00 00
Message from syslogd@core2 at Mar 10 12:15:02 ...
kernel:[ 2696.228000] BUG: soft lockup - CPU#0 stuck for 23s! [perf_fuzzer:1025
6]
[ 2724.228000] BUG: soft lockup - CPU#0 stuck for 23s! [perf_fuzzer:10256]
[ 2724.228000] Modules linked in: cpufreq_userspace cpufreq_stats cpufreq_powers
ave cpufreq_conservative f71882fg ohci_pci acpi_cpufreq coretemp evdev video mcs
7830 usbnet wmi psmouse processor button thermal_sys serio_raw pcspkr ohci_hcd i
2c_nforce2 sg ehci_pci ehci_hcd sd_mod usbcore usb_common
[ 2724.228000] CPU: 0 PID: 10256 Comm: perf_fuzzer Not tainted 3.14.0-rc6 #36
[ 2724.228000] Hardware name: AOpen DE7000/nMCP7ALPx-DE R1.06 Oct.19.2012, BIO
S 080015 10/19/2012
[ 2724.228000] task: ffff88011a6a17e0 ti: ffff8800cbab6000 task.ti: ffff8800cbab
6000
[ 2724.228000] RIP: 0010:[] [] __perf_sw_ev
ent+0x134/0x192
[ 2724.228000] RSP: 0000:ffff8800cbab7c88 EFLAGS: 00000202
[ 2724.228000] RAX: ffff88011a7b5cba RBX: 0000000000000000 RCX: ffff88011a9c4000
[ 2724.228000] RDX: ffff88011a7b5c00 RSI: 0400000000000000 RDI: 4000000000000000
[ 2724.228000] RBP: ffff8800cbab7d48 R08: 0010000000000000 R09: ffff88011fc12ac0
[ 2724.228000] R10: 0000000000000000 R11: ffff880119dfcb60 R12: 0000000000000000
[ 2724.228000] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 2724.228000] FS: 0000000000bd5840(0063) GS:ffff88011fc00000(0000) knlGS:00000
00000000000
[ 2724.228000] CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b
[ 2724.228000] CR2: 0000000000bd5ac8 CR3: 00000000ca4c8000 CR4: 00000000000407f0
[ 2724.228000] DR0: 0000000000bd7000 DR1: 0000000000bd7000 DR2: 0000000000000000
[ 2724.228000] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[ 2724.228000] Stack:
[ 2724.228000] 0000000000000000 0000000000000000 0000000000000000 0000000000000
000
[ 2724.228000] 0000000000bd5ac8 0000000000000000 0000000000000000 0000000000000
000
[ 2724.228000] 0000000000000000 0000000000000000 0000000000000000 0000000000000
000
[ 2724.228000] Call Trace:
[ 2724.228000] [] __do_page_fault+0x1b1/0x3ed
[ 2724.228000] [] ? native_sched_clock+0x21/0x3e
[ 2724.228000] [] ? sched_clock_local+0x1c/0x82
[ 2724.228000] [] ? sched_clock_cpu+0x8e/0xaa
[ 2724.228000] [] ? local_clock+0x1b/0x24
[ 2724.228000] [] ? ctx_sched_in+0x35/0x185
[ 2724.228000] [] do_page_fault+0xc/0xe
[ 2724.228000] [] page_fault+0x22/0x30
[ 2724.228000] [] ? __put_user_4+0x20/0x30
[ 2724.228000] [] ? schedule_tail+0x5c/0x60
[ 2724.228000] [] ret_from_fork+0xf/0xb0
[ 2724.228000] Code: 00 00 75 30 41 f6 85 90 01 00 00 01 75 26 48 85 db 74 4d 41
8a 85 e8 00 00 00 a8 10 74 09 f6 83 88 00 00 00 03 75 0d a8 20 74 35 83 88
00 00 00 03 75 2c 4d 8b 6d 40 4d 85 ed 74 09 49 83 ed
Message from syslogd@core2 at Mar 10 12:15:30 ...
kernel:[ 2724.228000] BUG: soft lockup - CPU#0 stuck for 23s! [perf_fuzzer:1025
6]
[ 2730.179999] INFO: rcu_sched self-detected stall on CPU[ 2730.184002] INFO: rc
u_sched detected stalls on CPUs/tasks: { 0} (detected by 1, t=15002 jiffies, g=4
8897, c=48896, q=46)
[ 2730.184005] sending NMI to all CPUs:
[ 2730.180000] NMI backtrace for cpu 0
[ 2730.180000] CPU: 0 PID: 10256 Comm: perf_fuzzer Not tainted 3.14.0-rc6 #36
[ 2730.180000] Hardware name: AOpen DE7000/nMCP7ALPx-DE R1.06 Oct.19.2012, BIO
S 080015 10/19/2012
[ 2730.180000] task: ffff88011a6a17e0 ti: ffff8800cbab6000 task.ti: ffff8800cbab
6000
[ 2730.180000] RIP: 0010:[] [] io_serial_in
+0x15/0x1a
[ 2730.180000] RSP: 0000:ffff88011fc03b98 EFLAGS: 00000002
[ 2730.180000] RAX: 00000000b9cc8400 RBX: ffffffff81c914d0 RCX: 0000000000000000
[ 2730.180000] RDX: 00000000000003fd RSI: 00000000000003fd RDI: ffffffff81c914d0
[ 2730.180000] RBP: ffff88011fc03b98 R08: 0000000000000000 R09: ffffffff81a9ec20
[ 2730.180000] R10: 0000000000000000 R11: 0000000000000005 R12: 00000000000026ef
[ 2730.180000] R13: 0000000000000020 R14: ffffffff81c112e2 R15: ffffffff8133bd4d
[ 2730.180000] FS: 0000000000bd5840(0063) GS:ffff88011fc00000(0000) knlGS:00000
00000000000
[ 2730.180000] CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b
[ 2730.180000] CR2: 0000000000bd5ac8 CR3: 00000000ca4c8000 CR4: 00000000000407f0
[ 2730.180000] DR0: 0000000000bd7000 DR1: 0000000000bd7000 DR2: 0000000000000000
[ 2730.180000] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[ 2730.180000] Stack:
[ 2730.180000] ffff88011fc03bc8 ffffffff8133bce3 ffff88011fc03c28 ffffffff81c91
4d0
[ 2730.180000] 0000000000000046 0000000000000039 ffff88011fc03be8 ffffffff8133b
d69
[ 2730.180000] ffffffff81c112d0 ffffffff81c914d0 ffff88011fc03c28 ffffffff81338
31b
[ 2730.180000] Call Trace:
[ 2730.180000] [] wait_for_xmitr+0x29/0x93
[ 2730.180000] [] serial8250_console_putchar+0x1c/0x2c
[ 2730.180000] [] uart_console_write+0x45/0x5b
[ 2730.180000] [] serial8250_console_write+0xb4/0x102
[ 2730.180000] [] T.950+0xb9/0xcb
[ 2730.180000] [] console_unlock+0x129/0x321
[ 2730.180000] [] vprintk_emit+0x3cc/0x3f5
[ 2730.180000] [] printk+0x4d/0x4f
[ 2730.180000] [] rcu_check_callbacks+0x164/0x5dd
[ 2730.180000] [] ? raise_softirq_irqoff+0x9/0x35
[ 2730.180000] [] update_process_times+0x41/0x6a
[ 2730.180000] [] tick_sched_handle+0x4a/0x59
[ 2730.180000] [] tick_sched_timer+0x5d/0x7c
[ 2730.180000] [] __run_hrtimer+0xba/0x145
[ 2730.180000] [] ? tick_nohz_handler+0xb0/0xb0
[ 2730.180000] [] hrtimer_interrupt+0xd5/0x1c3
[ 2730.180000] [] local_apic_timer_interrupt+0x58/0x5d
[ 2730.180000] [] smp_apic_timer_interrupt+0x2a/0x3c
[ 2730.180000] [] apic_timer_interrupt+0x6a/0x70
[ 2730.180000] [] ? __perf_sw_event+0x117/0x192
[ 2730.180000] [] ? __perf_sw_event+0x25/0x192
[ 2730.180000] [] __do_page_fault+0x1b1/0x3ed
[ 2730.180000] [] ? native_sched_clock+0x21/0x3e
[ 2730.180000] [] ? sched_clock_local+0x1c/0x82
[ 2730.180000] [] ? sched_clock_cpu+0x8e/0xaa
[ 2730.180000] [] ? local_clock+0x1b/0x24
[ 2730.180000] [] ? ctx_sched_in+0x35/0x185
[ 2730.180000] [] do_page_fault+0xc/0xe
[ 2730.180000] [] page_fault+0x22/0x30
[ 2730.180000] [] ? __put_user_4+0x20/0x30
[ 2730.180000] [] ? schedule_tail+0x5c/0x60
[ 2730.180000] [] ret_from_fork+0xf/0xb0
[ 2730.180000] Code: 66 66 66 66 90 0f b6 4f 61 d3 e6 48 63 f6 48 03 77 10 8b 06
c9 c3 55 48 89 e5 66 66 66 66 90 0f b6 4f 61 d3 e6 03 77 08 89 f2 ec <0f> b6 c0
c9 c3 55 48 89 e5 66 66 66 66 90 0f b6 4f 61 89 d0 d3
[ 2730.184114] NMI backtrace for cpu 1
[ 2730.184116] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.14.0-rc6 #36
[ 2730.184117] Hardware name: AOpen DE7000/nMCP7ALPx-DE R1.06 Oct.19.2012, BIO
S 080015 10/19/2012
[ 2730.184118] task: ffff88011b2b37e0 ti: ffff88011b340000 task.ti: ffff88011b34
0000
[ 2730.184119] RIP: 0010:[] [] delay_tsc+0x
19/0x52
[ 2730.184121] RSP: 0018:ffff88011fc83d88 EFLAGS: 00000803
[ 2730.184122] RAX: 00000000b9cc92b0 RBX: 0000000000000001 RCX: 0000000000000003
[ 2730.184123] RDX: 0000000000000656 RSI: 0000000000000001 RDI: 00000000002658d7
[ 2730.184124] RBP: ffff88011fc83d88 R08: 0000000000000000 R09: 0000000000000008
[ 2730.184125] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88011fc8d510
[ 2730.184125] R13: 0000000000000001 R14: ffffffff81a37300 R15: 0000000000000001
[ 2730.184126] FS: 0000000000000000(0000) GS:ffff88011fc80000(0000) knlGS:00000
00000000000
[ 2730.184127] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 2730.184128] CR2: 0000000000f47000 CR3: 00000000cb8b9000 CR4: 00000000000407e0
[ 2730.184129] DR0: 0000000000bd7000 DR1: 0000000000000000 DR2: 0000000000bd7000
[ 2730.184130] DR3: 0000000000bd7000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[ 2730.184130] Stack:
[ 2730.184131] ffff88011fc83d98 ffffffff812a7281 ffff88011fc83db8 ffffffff8102c
1ed
[ 2730.184133] 000000000000bf00 ffffffff81a37300 ffff88011fc83e18 ffffffff81087
ee3
[ 2730.184135] 0000000000000000 000000000000002e ffffffff81a9eb60 0000000000000
083
[ 2730.184136] Call Trace:
[ 2730.184137] [] __const_udelay+0x25/0x27
[ 2730.184139] [] arch_trigger_all_cpu_backtrace+0x79/0x8d
[ 2730.184141] [] rcu_check_callbacks+0x462/0x5dd
[ 2730.184143] [] update_process_times+0x41/0x6a
[ 2730.184145] [] tick_sched_handle+0x4a/0x59
[ 2730.184147] [] tick_sched_timer+0x5d/0x7c
[ 2730.184148] [] __run_hrtimer+0xba/0x145
[ 2730.184150] [] ? tick_nohz_handler+0xb0/0xb0
[ 2730.184151] [] hrtimer_interrupt+0xd5/0x1c3
[ 2730.184153] [] local_apic_timer_interrupt+0x58/0x5d
[ 2730.184155] [] smp_apic_timer_interrupt+0x2a/0x3c
[ 2730.184156] [] apic_timer_interrupt+0x6a/0x70
[ 2730.184158] [] ? sched_clock_idle_sleep_event+0x11/
0x13
[ 2730.184161] [] ? default_idle+0x1d/0x2f
[ 2730.184163] [] ? default_idle+0x1b/0x2f
[ 2730.184164] [] arch_cpu_idle+0x18/0x1d
[ 2730.184166] [] cpu_startup_entry+0xd1/0x133
[ 2730.184168] [] start_secondary+0x196/0x19b
[ 2730.184170] Code: 89 e5 66 66 66 66 90 48 8d 3c bf e8 b0 ff ff ff c9 c3 55 48
89 e5 66 66 66 66 90 65 8b 34 25 d0 b0 00 00 66 66 90 0f ae e8 0f 31 <89> c1 66
66 90 0f ae e8 0f 31 89 c2 29 ca 39 fa 73 23 f3 90 65
[ 2730.180000] { 0} (t=15471 jiffies g=48897 c=48896 q=46)
[ 2730.180000] sending NMI to all CPUs:
[ 2730.180000] NMI backtrace for cpu 0
[ 2730.180000] CPU: 0 PID: 10256 Comm: perf_fuzzer Not tainted 3.14.0-rc6 #36
[ 2730.180000] Hardware name: AOpen DE7000/nMCP7ALPx-DE R1.06 Oct.19.2012, BIO
S 080015 10/19/2012
[ 2730.180000] task: ffff88011a6a17e0 ti: ffff8800cbab6000 task.ti: ffff8800cbab
6000
[ 2730.180000] RIP: 0010:[] [] delay_tsc+0x
19/0x52
[ 2730.180000] RSP: 0000:ffff88011fc03d88 EFLAGS: 00000803
[ 2730.180000] RAX: 00000000d8b85e08 RBX: 0000000000000001 RCX: 0000000000000003
[ 2730.180000] RDX: 0000000000000657 RSI: 0000000000000000 RDI: 00000000002658d7
[ 2730.180000] RBP: ffff88011fc03d88 R08: 0000000000000000 R09: 0000000000000008
[ 2730.180000] R10: 0000000000000000 R11: 0000000000000005 R12: ffff88011fc0d510
[ 2730.180000] R13: ffffffff81a38c08 R14: ffffffff81a37300 R15: 0000000000000000
[ 2730.180000] FS: 0000000000bd5840(0063) GS:ffff88011fc00000(0000) knlGS:00000
00000000000
[ 2730.180000] CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b
[ 2730.180000] CR2: 0000000000bd5ac8 CR3: 00000000ca4c8000 CR4: 00000000000407f0
[ 2730.180000] DR0: 0000000000bd7000 DR1: 0000000000bd7000 DR2: 0000000000000000
[ 2730.180000] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[ 2730.180000] Stack:
[ 2730.180000] ffff88011fc03d98 ffffffff812a7281 ffff88011fc03db8 ffffffff8102c
1ed
[ 2730.180000] 000000000000002e ffffffff81a37300 ffff88011fc03e18 ffffffff81087
c88
[ 2730.180000] 0000000000000092 000000000000002e ffffffff81a9eb60 ffffffff81043
f08
[ 2730.180000] Call Trace:
[ 2730.180000]
[ 2730.180000] [] __const_udelay+0x25/0x27
[ 2730.180000] [] arch_trigger_all_cpu_backtrace+0x79/0x8d
[ 2730.180000] [] rcu_check_callbacks+0x207/0x5dd
[ 2730.180000] [] ? raise_softirq_irqoff+0x9/0x35
[ 2730.180000] [] update_process_times+0x41/0x6a
[ 2730.180000] [] tick_sched_handle+0x4a/0x59
[ 2730.180000] [] tick_sched_timer+0x5d/0x7c
[ 2730.180000] [] __run_hrtimer+0xba/0x145
[ 2730.180000] [] ? tick_nohz_handler+0xb0/0xb0
[ 2730.180000] [] hrtimer_interrupt+0xd5/0x1c3
[ 2730.180000] [] local_apic_timer_interrupt+0x58/0x5d
[ 2730.180000] [] smp_apic_timer_interrupt+0x2a/0x3c
[ 2730.180000] [] apic_timer_interrupt+0x6a/0x70
[ 2730.180000]
[ 2730.180000] [] ? __perf_sw_event+0x117/0x192
[ 2730.180000] [] ? __perf_sw_event+0x25/0x192
[ 2730.180000] [] __do_page_fault+0x1b1/0x3ed
[ 2730.180000] [] ? native_sched_clock+0x21/0x3e
[ 2730.180000] [] ? sched_clock_local+0x1c/0x82
[ 2730.180000] [] ? sched_clock_cpu+0x8e/0xaa
[ 2730.180000] [] ? local_clock+0x1b/0x24
[ 2730.180000] [] ? ctx_sched_in+0x35/0x185
[ 2730.180000] [] do_page_fault+0xc/0xe
[ 2730.180000] [] page_fault+0x22/0x30
[ 2730.180000] [] ? __put_user_4+0x20/0x30
[ 2730.180000] [] ? schedule_tail+0x5c/0x60
[ 2730.180000] [] ret_from_fork+0xf/0xb0
[ 2730.180000] Code: 89 e5 66 66 66 66 90 48 8d 3c bf e8 b0 ff ff ff c9 c3 55 48
89 e5 66 66 66 66 90 65 8b 34 25 d0 b0 00 00 66 66 90 0f ae e8 0f 31 <89> c1 66
66 90 0f ae e8 0f 31 89 c2 29 ca 39 fa 73 23 f3 90 65
[ 2732.088001] NMI backtrace for cpu 1
[ 2730.180000] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took t
oo long to run: 932.372 msecs
[ 2732.088001] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.14.0-rc6 #36
[ 2732.088001] Hardware name: AOpen DE7000/nMCP7ALPx-DE R1.06 Oct.19.2012, BIO
S 080015 10/19/2012
[ 2732.088001] task: ffff88011b2b37e0 ti: ffff88011b340000 task.ti: ffff88011b34
0000
[ 2732.088001] RIP: 0010:[] [] default_idle
+0x1d/0x2f
[ 2732.088001] RSP: 0018:ffff88011b341ed8 EFLAGS: 00000246
[ 2732.088001] RAX: 0000000000000000 RBX: ffff88011b340000 RCX: 0000000000012ac0
[ 2732.088001] RDX: ffffffff81a3a900 RSI: 0000000000000001 RDI: 0000000000000001
[ 2732.088001] RBP: ffff88011b341ed8 R08: 0000000000000000 R09: ffff88011b341eb8
[ 2732.088001] R10: 00000000000003ff R11: ffff88011ad83d08 R12: ffff88011b340000
[ 2732.088001] R13: ffff88011b340010 R14: ffff88011b340010 R15: ffff88011b340010
[ 2732.088001] FS: 0000000000000000(0000) GS:ffff88011fc80000(0000) knlGS:00000
00000000000
[ 2732.088001] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 2732.088001] CR2: 0000000000f47000 CR3: 00000000cb8b9000 CR4: 00000000000407e0
[ 2732.088001] DR0: 0000000000bd7000 DR1: 0000000000000000 DR2: 0000000000bd7000
[ 2732.088001] DR3: 0000000000bd7000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[ 2732.088001] Stack:
[ 2732.088001] ffff88011b341ee8 ffffffff8100a290 ffff88011b341f28 ffffffff8107f
bd8
[ 2732.088001] 0000000000000001 0000000000000001 0000000000000001 0000000000000
000
[ 2732.088001] 0000000000000000 0000000000000000 ffff88011b341f48 ffffffff8102a
33d
[ 2732.088001] Call Trace:
[ 2732.088001] [] arch_cpu_idle+0x18/0x1d
[ 2732.088001] [] cpu_startup_entry+0xd1/0x133
[ 2732.088001] [] start_secondary+0x196/0x19b
[ 2732.088001] Code: e8 1e ca 07 00 41 59 5b 41 5c 41 5d c9 c3 55 48 89 e5 66 66
66 66 90 bf 01 00 00 00 65 8b 34 25 d0 b0 00 00 e8 93 ff ff ff fb f4 <83> cf ff
65 8b 34 25 d0 b0 00 00 e8 81 ff ff ff c9 c3 55 48 89
[ 2732.088001] INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took t
oo long to run: 1479.539 msecs