PID: 23696  TASK: ffff8800ad81a220  CPU: 0   COMMAND: "md5sum"
 #0 [ffff88007f6578b0] 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 [ffff88007f657910] __crash_kexec at ffffffff811160a2
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/kernel/kexec_core.c: 897
 #2 [ffff88007f6579e0] panic at ffffffff817d8546
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/./arch/x86/include/asm/smp.h: 93
 #3 [ffff88007f657a60] lbug_with_loc at ffffffffa020fb95 [libcfs]
    /home/green/git/lustre-release/libcfs/libcfs/debug.c: 549
 #4 [ffff88007f657a78] cl_env_percpu_put at ffffffffa059556e [obdclass]
    /home/green/git/lustre-release/lustre/obdclass/cl_object.c: 992
 #5 [ffff88007f657a88] do_read_folio at ffffffffa10bf7fc [lustre]
    /home/green/git/lustre-release/libcfs/include/libcfs/libcfs_debug.h: 112
 #6 [ffff88007f657b88] ll_readpage at ffffffffa10c039e [lustre]
    /home/green/git/lustre-release/lustre/llite/rw.c: 2374
 #7 [ffff88007f657b98] do_generic_file_read.constprop.52 at ffffffff811b5c15
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/filemap.c: 1889
 #8 [ffff88007f657c20] generic_file_aio_read at ffffffff811b7049
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/mm/filemap.c: 2131
 #9 [ffff88007f657ca8] do_file_read_iter at ffffffffa108ca6a [lustre]
    /home/green/git/lustre-release/lustre/include/lustre_compat.h: 387
#10 [ffff88007f657d80] ll_file_read_iter at ffffffffa108d49d [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2548
#11 [ffff88007f657d90] ll_file_aio_read at ffffffffa108d686 [lustre]
    /home/green/git/lustre-release/libcfs/include/libcfs/libcfs_debug.h: 206
#12 [ffff88007f657de8] ll_file_read at ffffffffa108d7d1 [lustre]
    /home/green/git/lustre-release/lustre/llite/file.c: 2794
#13 [ffff88007f657ed0] vfs_read at ffffffff81244899
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/read_write.c: 465
#14 [ffff88007f657f08] sys_read at ffffffff812457cf
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/fs/read_write.c: 577
#15 [ffff88007f657f50] system_call_fastpath at ffffffff817f400c
    /home/green/bk/linux-3.10.0-1160.59.1.el7-debug/arch/x86/kernel/entry_64.S: 511
    RIP: 00007effb528eb40  RSP: 00007fff16e70c58  RFLAGS: 00000202
    RAX: 0000000000000000  RBX: 0000000002052030  RCX: 0000000002120561
    RDX: 0000000000008000  RSI: 0000000002052270  RDI: 0000000000000003
    RBP: 00007effb5563380   R8: 0000000000000b48   R9: 000000000b3eafe4
    R10: 00000000e621b63c  R11: 0000000000000246  R12: 0000000000008000
    R13: 0000000000000d70  R14: 00007effb5562838  R15: 0000000002052270
    ORIG_RAX: 0000000000000000  CS: 0033  SS: 002b