Protection Fault in __migration_entry_wait

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Hello everybody,
A X86_64 server repeatedly dumps once a while with the signature:

#4 [ffff88003eaf3d30] do_general_protection at ffffffff8163da9e
#5 [ffff88003eaf3d60] general_protection at ffffffff8163d3a8
    [exception RIP: __migration_entry_wait+148]
    RIP: ffffffff811c5f64  RSP: ffff88003eaf3e18  RFLAGS: 00010203
    RAX: 01ffffffffffffff  RBX: ffffea0000000030  RCX: 0000000000000000
    RDX: 1e001897fe001880  RSI: ffffea0000000030  RDI: f000c4bff000c4be
    RBP: ffff88003eaf3e28   R8: 00003ffffffff000   R9: 00000000000000a9
    R10: 0000000000000000  R11: f000c4bff000c4be  R12: 1e000297fe001880
    R13: ffff8820aa4ac870  R14: ffff883be2b06400  R15: 0000000000000080
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0000
 #6 [ffff88003eaf3e10] __migration_entry_wait at ffffffff811c5eea
 #7 [ffff88003eaf3e30] migration_entry_wait at ffffffff811c62b3
 #8 [ffff88003eaf3e40] handle_mm_fault at ffffffff81197a12
 #9 [ffff88003eaf3ed0] __do_page_fault at ffffffff81640e22
#10 [ffff88003eaf3f28] do_page_fault at ffffffff81641113
#11 [ffff88003eaf3f50] page_fault at ffffffff8163d408
    RIP: 00000000022d80ba  RSP: 00007fbed15b9990  RFLAGS: 00010202
    RAX: 0000000000002000  RBX: 00007fbaeaa00e70  RCX: 00007fbaeaa00e70
    RDX: 0000000000000000  RSI: 00000000b94bce12  RDI: 0000000000003b82
    RBP: 00007fbed15b99a0   R8: 0000000000000000   R9: 000000000e8a3e7e
    R10: 0000000000000000  R11: 00007fbaeaa00e70  R12: 00007fbed419d470
    R13: 00007fb678172270  R14: 00007fbd0db98620  R15: 00007fb678505da8
  ORIG_RAX: ffffffffffffffff  CS: 0033  SS: 002b
It seems that this is a bug. I’m not sure if it has been identified and removed. The customer is adviced to disable numa balancing to work around. I’m waiting for the results from them.

Dashi Cao
181 0102 1741


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