PID: 22086  TASK: ffff910bc8170000  CPU: 2   COMMAND: "ll_sa_20963"
 #0 [ffffa50c878039a8] machine_kexec at ffffffffa8e850a3
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/machine_kexec_64.c: 417
 #1 [ffffa50c87803a00] __crash_kexec at ffffffffa903e5ba
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kexec_core.c: 955
 #2 [ffffa50c87803ac0] crash_kexec at ffffffffa903fc05
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 356
 #3 [ffffa50c87803ad8] oops_end at ffffffffa8e37cb5
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/kernel/dumpstack.c: 339
 #4 [ffffa50c87803af8] no_context.cold.27 at ffffffffa8ea1a56
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 796
 #5 [ffffa50c87803b50] __bad_area_nosemaphore at ffffffffa8ea0356
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 870
 #6 [ffffa50c87803b98] bad_area_nosemaphore at ffffffffa8ea06fa
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 877
 #7 [ffffa50c87803ba0] do_user_addr_fault at ffffffffa8ea10c0
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1306
 #8 [ffffa50c87803bf0] __do_page_fault at ffffffffa8ea15bb
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1497
 #9 [ffffa50c87803c10] do_page_fault at ffffffffa8ea1677
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/mm/fault.c: 1547
#10 [ffffa50c87803c40] page_fault at ffffffffa9e00f8e
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 1236
    [exception RIP: do_raw_spin_lock+6]
    RIP: ffffffffa8fa6876  RSP: ffffa50c87803cf0  RFLAGS: 00010206
    RAX: 000000000000004e  RBX: 00000000000001a0  RCX: 0000000000000680
    RDX: 0000000000000001  RSI: ffff910bc6e06d00  RDI: 0000000000000680
    RBP: ffffa50c87803d50   R8: d4708bea023f7fe6   R9: 61c8864680b583eb
    R10: 0000000000000002  R11: ffffffffac564a70  R12: ffff910be0a714c8
    R13: ffff910bc5f5c600  R14: 00000000000001b0  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/compiler.h: 339
#11 [ffffa50c87803cf8] _raw_spin_lock at ffffffffa9dd91e1
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/spinlock_api_smp.h: 134
#12 [ffffa50c87803d00] sa_alloc at ffffffffc1b324a9 [lustre]
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/./include/linux/list.h: 100
#13 [ffffa50c87803d58] sa_statahead at ffffffffc1b3396b [lustre]
    /home/green/git/lustre-release/lustre/llite/statahead.c: 1055
#14 [ffffa50c87803df8] ll_statahead_handle.constprop.20 at ffffffffc1b34925 [lustre]
    /home/green/git/lustre-release/lustre/llite/statahead.c: 1428
#15 [ffffa50c87803e58] ll_statahead_by_fname at ffffffffc1b34aca [lustre]
    /home/green/git/lustre-release/lustre/llite/statahead.c: 175
#16 [ffffa50c87803ea0] ll_statahead_thread at ffffffffc1b37e6c [lustre]
    /home/green/git/lustre-release/lustre/llite/statahead.c: 1571
#17 [ffffa50c87803f10] kthread at ffffffffa8f57041
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/kernel/kthread.c: 364
#18 [ffffa50c87803f50] ret_from_fork at ffffffffa9e001ff
    /home/green/bk/linux-4.18.0-553.58.1.el8_10-debug/arch/x86/entry/entry_64.S: 330