| 1 | PANIC: acquire_spinlock(): Failed to acquire spinlock 0xd1d52fe0 for a long time!
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| 2 | Welcome to Kernel Debugging Land...
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| 3 | Thread 2159 "pthread func" running on CPU 1
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| 4 | stack trace for thread 2159 "pthread func"
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| 5 | kernel stack: 0x8221f000 to 0x82223000
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| 6 | user stack: 0x7117f000 to 0x711bf000
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| 7 | frame caller <image>:function + offset
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| 8 | 0 82222aa8 (+ 32) 80141942 <kernel_x86> arch_debug_stack_trace + 0x12
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| 9 | 1 82222ac8 (+ 16) 800a187f <kernel_x86> stack_trace_trampoline(NULL) + 0x0b
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| 10 | 2 82222ad8 (+ 12) 8013367e <kernel_x86> arch_debug_call_with_fault_handler + 0x1b
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| 11 | 3 82222ae4 (+ 48) 800a33ea <kernel_x86> debug_call_with_fault_handler + 0x5a
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| 12 | 4 82222b14 (+ 64) 800a1a9b <kernel_x86> kernel_debugger_loop(0x80184777 "PANIC: ", 0x80165e20 "acquire_spinlock(): Failed to acquire spinlock %p for a long time!", 0x82222bc0 "▒/▒▒▒+"▒04▒0.▒▒y", int32: 1) + 0x217
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| 13 | 5 82222b54 (+ 48) 800a1e17 <kernel_x86> kernel_debugger_internal(0x80184777 "PANIC: ", 0x80165e20 "acquire_spinlock(): Failed to acquire spinlock %p for a long time!", 0x82222bc0 "▒/▒▒▒+"▒04▒0.▒▒y", int32: 1) + 0x53
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| 14 | 6 82222b84 (+ 48) 800a3772 <kernel_x86> panic + 0x3a
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| 15 | 7 82222bb4 (+ 48) 80073453 <kernel_x86> acquire_spinlock + 0x57
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| 16 | 8 82222be4 (+ 64) 8007855e <kernel_x86> BKernel::Team<0xd1f0f608>::CPUTime(BKernel::Team: 0x2c00, true) + 0x6e
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| 17 | 9 82222c24 (+ 80) 8008aba8 <kernel_x86> BKernel::TeamTimeUserTimer<0xd2cda8d0>::_Update(false) + 0x7c
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| 18 | 10 82222c74 (+ 48) 8008a953 <kernel_x86> BKernel::TeamTimeUserTimer<0xd2cda8d0>::Update(BKernel::Thread*: NULL) + 0x67
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| 19 | 11 82222ca4 (+ 48) 8008cda6 <kernel_x86> user_timer_continue_cpu_timers + 0x52
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| 20 | 12 82222cd4 (+ 64) 8009311e <kernel_x86> thread_resumes(BKernel::Thread*: 0xd1d52e30) + 0xa6
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| 21 | 13 82222d14 (+ 240) 80094206 <kernel_x86> reschedule(int32: 6) + 0x1016
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| 22 | 14 82222e04 (+ 48) 800942a1 <kernel_x86> scheduler_reschedule + 0x61
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| 23 | 15 82222e34 (+ 96) 80086382 <kernel_x86> thread_block_with_timeout + 0x1ae
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| 24 | 16 82222e94 (+ 80) 80082ee6 <kernel_x86> common_snooze_etc(int64: 6024229941, int32: 0, uint32: 0x15 (21), NULL) + 0x9e
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| 25 | 17 82222ee4 (+ 96) 80087480 <kernel_x86> _user_snooze_etc + 0xac
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| 26 | 18 82222f44 (+ 100) 8013623f <kernel_x86> handle_syscall + 0xdc
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| 27 | user iframe at 0x82222fa8 (end = 0x82223000)
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| 28 | eax 0xb9 ebx 0xbc42e0 ecx 0x711be364 edx 0x61a25114
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| 29 | esi 0x14 edi 0x711be3dc ebp 0x711be3a0 esp 0x82222fdc
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| 30 | eip 0x61a25114 eflags 0x3202 user esp 0x711be364
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| 31 | vector: 0x63, error code: 0x0
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| 32 | 19 82222fa8 (+ 0) 61a25114 <commpage> commpage_syscall + 0x04
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| 33 | 20 711be3a0 (+ 48) 00b93615 <libroot.so> usleep + 0x2d
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| 34 | 21 711be3d0 (+ 12) 00504d98 <pprof.test> main (nearest) + 0x68
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| 35 | 22 711be3dc (+ 0) 12142290 97146:mmap area@0x1212a000 + 0x18290
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| 36 | 23 00503f35 (+ 0) 8b000000
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| 37 | fc0d8b64 -- read fault
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| 38 | kdebug>
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