[Xen-devel] Re: [xen-unstable test] 7577: regressions - FAIL

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Ian Jackson writes ("[xen-unstable test] 7577: regressions - FAIL"):
>  test-amd64-amd64-xl          11 guest-localmigrate     fail   REGR. vs. 7285

Hypervisor crash.

 Assertion 'paging_mode_translate(p2m->domain)' failed at p2m-pt.c:686
 ----[ Xen-4.2-unstable  x86_64  debug=y  Not tainted ]----
 CPU:    6
 RIP:    e008:[<ffff82c4801d243c>] p2m_gfn_to_mfn+0x36/0x8e8
 RFLAGS: 0000000000010246   CONTEXT: hypervisor
 rax: ffff830239e63000   rbx: ffff8302392e7b68   rcx: ffff8302392e78d8
 rdx: ffff8302392e78dc   rsi: 0000000000203f58   rdi: ffff83023e6d5d30
 rbp: ffff8302392e7868   rsp: ffff8302392e7818   r8:  0000000000000002
 r9:  00000000002050ff   r10: 00ff00ff00ff00ff   r11: 0f0f0f0f0f0f0f0f
 r12: ffff83023e6d5d30   r13: 0000000000000002   r14: 0000000000203f58
 r15: ffff83023e6d5d30   cr0: 000000008005003b   cr4: 00000000000026f4
 cr3: 000000017d28a000   cr2: ffff88000759f5e0
 ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e010   cs: e008
 Xen stack trace from rsp=ffff8302392e7818:
    ffff8302392e78dc 0000000039e63000 7000000000000000 ffff82f60479cec0
    000000000023ce76 ffff8302392e7b68 ffff8300bf687000 0000000000000000
    0000000000203f58 ffff83023e6d5d30 ffff8302392e7908 ffff82c4801d8fbf
    00000002392e7f18 ffff88000759f5e0 0000000000000880 ffff82f6040a1480
    00000000002050a4 ffff830239e63000 ffff82f6040a1490 0000000000000100
    ffff8140a0502000 0000000300800167 0000000000800000 0000000000000000
    000000000023ce76 ffff8302392e7c38 ffff8300bf687000 0000000000000000
    ffff8300bf687000 ffff830239e63000 ffff8302392e7be8 ffff82c480200f37
    ffff8140a0502000 ffff82c480164814 ffff8302392c3000 ffff8302392e7f18
    ffff82c4802d9668 ffff8302392e7f18 ffff8302392e7f18 ffff8302392e7f18
    ffff8302392e7f18 ffff82c4802d9660 ffff8300bf2f5000 0000000000000000
    ffff8302392e7a08 ffff8302392e7c38 ffff88000759f5e0 ffff82c48016eb45
    ffff830239e63ab0 ffff830239e63220 800000023dcc0165 000000000023ba5a
    ffff830239e63b20 0000000000000cf8 00000000000001d0 0000000000000000
    0000000000000880 0000000000000008 00000000000000f0 ffff8300bf687920
    ffff830239e63ab0 ffff8302392e7e68 ffff8302392e7a58 ffff82c48016ec22
    ffff880002e75dc8 0000000000000000 800000023dcc0165 000ffff88000759f
    0000000000000000 0000000000000000 0000000000000049 0000000000000049
    ffff8302392e7e58 ffff82c480190e3b 0000000000000000 ffff830239e63000
    ffff8302392e7ae8 0000000280167c7c 00000000c6d18547 0000000000000100
 Xen call trace:
    [<ffff82c4801d243c>] p2m_gfn_to_mfn+0x36/0x8e8
    [<ffff82c4801d8fbf>] guest_walk_tables_4_levels+0x192/0x863
    [<ffff82c480200f37>] sh_page_fault__guest_4+0x599/0x2212
    [<ffff82c480181522>] do_page_fault+0x3d3/0x594
    [<ffff82c48021332e>] handle_exception_saved+0x30/0x6e
    [<ffff82c48018201c>] __copy_to_user_ll+0x2c/0x39
    [<ffff82c480154056>] update_runstate_area+0xfc/0xff
    [<ffff82c480157b04>] context_switch+0xda1/0xdc6
    [<ffff82c48012242c>] schedule+0x5fc/0x624
    [<ffff82c4801236a7>] __do_softirq+0x88/0x99
    [<ffff82c480123722>] do_softirq+0x6a/0x7a
    [<ffff82c4801561f5>] idle_loop+0x64/0x69
    
 
 ****************************************
 Panic on CPU 6:
 Assertion 'paging_mode_translate(p2m->domain)' failed at p2m-pt.c:686
 ****************************************

Ian.

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