xen host kernel crashed in hypervisor code

Solution Unverified - Updated -

Issue

  • xen host kernel crashed in hypervisor code
  • Backtrace is as follows.
crash> bt
PID: 19105  TASK: ffff8802d2a30080  CPU: 1   COMMAND: "ifconfig"
 #0 [ffff88006e321840] crash_kexec at ffffffff802a3b97
 #1 [ffff88006e321900] __die at ffffffff80264349
 #2 [ffff88006e321940] die at ffffffff8026c16c
 #3 [ffff88006e321970] do_invalid_op at ffffffff8026c75e
 #4 [ffff88006e321a30] error_exit at ffffffff8025f82b
    [exception RIP: xen_l3_entry_update+154]
    RIP: ffffffff8027cb18  RSP: ffff88006e321ae8  RFLAGS: 00010282
    RAX: 00000000ffffffea  RBX: 00000002b1eed067  RCX: 00000002a377a7e8
    RDX: 0000000000000000  RSI: 0000000000000001  RDI: ffff88006e321ae8
    RBP: ffff88006d8917e8   R8: 0000000000000000   R9: 00000000000044ad
    R10: 0000000000007ff0  R11: 0000000000000000  R12: ffff8802c08d5180
    R13: 0000000000000002  R14: 0000003f6b01bad0  R15: ffff8802d05e9678
    ORIG_RAX: ffffffffffffffff  CS: e030  SS: e02b
 #5 [ffff88006e321b00] __pmd_alloc at ffffffff8022e482
 #6 [ffff88006e321b20] __handle_mm_fault at ffffffff80208b5e
 #7 [ffff88006e321bb0] do_page_fault at ffffffff802666ef
 #8 [ffff88006e321ca0] error_exit at ffffffff8025f82b
    [exception RIP: __clear_user+46]
    RIP: ffffffff8022fd38  RSP: ffff88006e321d58  RFLAGS: 00010206
    RAX: 0000000000000008  RBX: 00000000000000a6  RCX: 00000000000000a6
    RDX: 0000000000000000  RSI: 0000000000000000  RDI: 0000003f6b01bad0
    RBP: 0000003f6b01aba0   R8: ffff88006e321c08   R9: 0000000000000000
    R10: ffff8802d05e9a98  R11: ffff8802c08b62c0  R12: 0000003f6b01bad0
    R13: ffff88006ecf1ec0  R14: ffff8800a54cca00  R15: fffffffffffffff2
    ORIG_RAX: ffffffffffffffff  CS: e030  SS: e02b
 #9 [ffff88006e321d70] padzero at ffffffff8028031c
#10 [ffff88006e321d80] load_elf_binary at ffffffff802190a7
#11 [ffff88006e321eb0] search_binary_handler at ffffffff80240d36
#12 [ffff88006e321ee0] do_execve at ffffffff8024033c
#13 [ffff88006e321f20] sys_execve at ffffffff802567d3
#14 [ffff88006e321f50] stub_execve at ffffffff8025f57d
    RIP: 0000003f6b298697  RSP: 00007fff76b1b748  RFLAGS: 00000246
    RAX: ffffffffffffffda  RBX: 0000000000000000  RCX: ffffffffffffffff
    RDX: 0000000000b1ac90  RSI: 0000000000b4ab50  RDI: 0000000000b491f0
    RBP: 0000000000b3a070   R8: 00007fff76b1b810   R9: 00007fff76b1b770
    R10: 0000000000000008  R11: 0000000000000246  R12: 0000000000b49250
    R13: 0000000000b4ab50  R14: 0000000000b491f0  R15: 0000000000000000
    ORIG_RAX: 000000000000003b  CS: 0033  SS: e02b

Environment

  • Red Hat Enterprise Linux 5.3
  • kernel-xen-2.6.18-128.el5.x86_64.rpm

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