RHEL 6 XEN guest with kernel-2.6.32-696.18.7.el6.x86_64 hangs on boot

Solution Verified - Updated -

Issue

  • RHEL 6 guest doesn't boot with kernel-2.6.32-696.18.7.el6.x86_64 after patching.
  • System boots up with previous kernels successfully.
  • The guest hangs on the following messages at boot:

    (XEN) mm.c:2560:d27 Bad type (saw 7400000000000001 != exp 1000000000000000) for mfn 21ed59b (pfn 1e05)
    (XEN) d27:v0: unhandled page fault (ec=0000)
    (XEN) Pagetable walk from ffffffffff400000:
    (XEN)  L4[0x1ff] = 000000214d50f067 0000000000001a91
    (XEN)  L3[0x1ff] = 000000214d50e067 0000000000001a92
    (XEN)  L2[0x1fa] = 0000000000000000 ffffffffffffffff
    (XEN) domain_crash_sync called from entry.S: fault at ffff82d080203a7a entry.o#create_bounce_frame+0x125/0x13b
    (XEN) Domain 27 (vcpu#0) crashed on cpu#0:
    (XEN) ----[ Xen-4.4.4OVM  x86_64  debug=n  Not tainted ]----
    (XEN) CPU:    0
    (XEN) RIP:    e033:[<ffffffff812b7872>]
    (XEN) RFLAGS: 0000000000000202   EM: 1   CONTEXT: pv guest (d27v0)
    (XEN) rax: 0000000000000000   rbx: ffffffffff400000   rcx: 0000000000000004
    (XEN) rdx: 0000000000000010   rsi: ffffffffff400000   rdi: ffffffff81a03e68
    (XEN) rbp: ffffffff81a03e48   rsp: ffffffff81a03e00   r8:  0000000000000000
    (XEN) r9:  0000000000007ff0   r10: 0000000000000000   r11: 0000000000000000
    (XEN) r12: ffffffff81a03e58   r13: ffffffffff400000   r14: ffffffffff410000
    (XEN) r15: ffffffff81a03e68   cr0: 000000008005003b   cr4: 00000000001526f0
    (XEN) cr3: 000000214d512000   cr2: ffffffffff400000
    (XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e02b   cs: e033
    

Environment

  • Red Hat Enterprise Linux 6 as a guest hosted on a XEN hypervisor
  • kernel-2.6.32-696.18.7.el6.x86_64

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