PID: 5284   TASK: ffff88012aabb330  CPU: 1   COMMAND: "ldlm_bl_03"
 #0 [ffff88012f3f77d8] machine_kexec at ffffffff810613ae
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/machine_kexec_64.c: 343
 #1 [ffff88012f3f7838] __crash_kexec at ffffffff811160a2
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/kernel/kexec_core.c: 897
 #2 [ffff88012f3f7908] panic at ffffffff817d8546
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/./arch/x86/include/asm/smp.h: 93
 #3 [ffff88012f3f7988] lbug_with_loc at ffffffffa02b8ae5 [libcfs]
    /home/green/git/lustre-release/libcfs/libcfs/debug.c: 466
 #4 [ffff88012f3f79a0] __cl_page_discard at ffffffffa05b3512 [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/cl_page.c: 779
 #5 [ffff88012f3f79e8] osc_discard_cb at ffffffffa04d2e0c [osc]
    /home/green/git/lustre-release/lustre/osc/osc_cache.c: 3294
 #6 [ffff88012f3f7a48] osc_page_gang_lookup at ffffffffa04d475f [osc]
    /home/green/git/lustre-release/lustre/osc/osc_cache.c: 3082
 #7 [ffff88012f3f7b00] osc_lock_discard_pages at ffffffffa04e4e9a [osc]
    /home/green/git/lustre-release/lustre/osc/osc_cache.c: 3335
 #8 [ffff88012f3f7b58] osc_ldlm_blocking_ast at ffffffffa04caecd [osc]
    /home/green/git/lustre-release/lustre/osc/osc_lock.c: 378
 #9 [ffff88012f3f7be8] ldlm_cancel_callback at ffffffffa0848ef4 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../../lustre/ldlm/ldlm_lock.c: 2522
#10 [ffff88012f3f7c60] ldlm_cli_cancel_local at ffffffffa0862e82 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../../lustre/ldlm/ldlm_request.c: 1310
#11 [ffff88012f3f7c90] ldlm_cli_cancel at ffffffffa0869241 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../../lustre/ldlm/ldlm_request.c: 1668
#12 [ffff88012f3f7d28] osc_ldlm_blocking_ast at ffffffffa04cacfa [osc]
    /home/green/git/lustre-release/lustre/osc/osc_lock.c: 509
#13 [ffff88012f3f7db8] ldlm_handle_bl_callback at ffffffffa0876675 [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../../lustre/ldlm/ldlm_lockd.c: 1971
#14 [ffff88012f3f7de8] ldlm_bl_thread_main at ffffffffa0876f8c [ptlrpc]
    /home/green/git/lustre-release/lustre/ptlrpc/../../lustre/ldlm/ldlm_lockd.c: 2972
#15 [ffff88012f3f7ea8] kthread at ffffffff810ba114
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/kernel/kthread.c: 202
#16 [ffff88012f3f7f50] ret_from_fork_nospec_begin at ffffffff817f3e5d
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/entry_64.S: 418