3949 index:0x7f91f0004

[15111481.422942] page flags: 0x100000000080068(uptodate|lru|active|swapbacked)

[15111481.422955] Modules linked in: btrfs zlib_deflate libcrc32c ufs vfat msdos fat xfs ext2 tcp_diag inet_diag acpiphp

[15111481.423708] Pid: 32469, comm: gmetric Tainted: G    B D      3.2.0-56-virtual #86-Ubuntu

[15111481.424498] Call Trace:

[15111481.424513]  [<ffffffff8111decf>] bad_page.part.61+0x9f/0xf0

[15111481.425276]  [<ffffffff8111df38>] bad_page+0x18/0x30

[15111481.425285]  [<ffffffff8111f105>] prep_new_page+0x1d5/0x1e0

[15111481.425295]  [<ffffffff8100acf2>] ? check_events+0x12/0x20

[15111481.425891]  [<ffffffff8111f2df>] get_page_from_freelist+0x1cf/0x540

[15111481.425900]  [<ffffffff8111f7ec>] __alloc_pages_nodemask+0x19c/0x8e0

[15111481.426716]  [<ffffffff8113b7e4>] ? zap_pte_range+0x244/0x3d0

[15111481.427146]  [<ffffffff8100634d>] ? pte_mfn_to_pfn+0x8d/0x110

[15111481.427253]  [<ffffffff8113bbf5>] ? unmap_page_range+0x285/0x300

[15111481.427263]  [<ffffffff81158983>] alloc_pages_vma+0xb3/0x190

[15111481.427269]  [<ffffffff811396d2>] __do_fault+0x362/0x550

[15111481.427381]  [<ffffffff8130ecbb>] ? prio_tree_insert+0x12b/0x1a0

[15111481.427671]  [<ffffffff8113ca9a>] handle_pte_fault+0xfa/0x200

[15111481.427774]  [<ffffffff810063ee>] ? xen_pmd_val+0xe/0x10

[15111481.427841]  [<ffffffff81005369>] ? __raw_callee_save_xen_pmd_val+0x11/0x1e

[15111481.427951]  [<ffffffff8113dd79>] handle_mm_fault+0x269/0x370

[15111481.428233]  [<ffffffff8165db44>] do_page_fault+0x184/0x550

[15111481.428267]  [<ffffffff81142e58>] ? do_mmap_pgoff+0x348/0x360

[15111481.428277]  [<ffffffff81142f51>] ? sys_mmap_pgoff+0xe1/0x230

[15111481.428283]  [<ffffffff81144870>] ? sys_mprotect+0x1f0/0x250

[15111481.428291]  [<ffffffff8165a775>] page_fault+0x25/0x30

[15111481.428297] BUG: Bad page state in process gmetric  pfn:767ef

[15111481.428303] page:ffffea0001d9fbc0 count:1 mapcount:1 mapping:ffff8801d0fe1871 index:0x7f91f6955

[15111481.428310] page flags: 0x100000000080068(uptodate|lru|active|swapbacked)

[15111481.428335] Modules linked in: btrfs zlib_deflate libcrc32c ufs vfat msdos fat xfs ext2 tcp_diag inet_diag acpiphp

[15111481.428356] Pid: 32469, comm: gmetric Tainted: G    B D      3.2.0-56-virtual #86-Ubuntu

[15111481.428361] Call Trace:

[15111481.428367]  [<ffffffff8111decf>] bad_page.part.61+0x9f/0xf0

[15111481.428372]  [<ffffffff8111df38>] bad_page+0x18/0x30

[15111481.428378]  [<ffffffff8111f105>] prep_new_page+0x1d5/0x1e0

[15111481.428384]  [<ffffffff8100acf2>] ? check_events+0x12/0x20

[15111481.428392]  [<ffffffff81133f6f>] ? __inc_zone_state+0x5f/0x70

[15111481.428398]  [<ffffffff8111f2df>] get_page_from_freelist+0x1cf/0x540

[15111481.428404]  [<ffffffff8111f7ec>] __alloc_pages_nodemask+0x19c/0x8e0

[15111481.428410]  [<ffffffff8113b7e4>] ? zap_pte_range+0x244/0x3d0

[15111481.428416]  [<ffffffff8100634d>] ? pte_mfn_to_pfn+0x8d/0x110

[15111481.428422]  [<ffffffff8113bbf5>] ? unmap_page_range+0x285/0x300

[15111481.428428]  [<ffffffff81158983>] alloc_pages_vma+0xb3/0x190

[15111481.428434]  [<ffffffff811396d2>] __do_fault+0x362/0x550

[15111481.428440]  [<ffffffff8130ecbb>] ? prio_tree_insert+0x12b/0x1a0

[15111481.428446]  [<ffffffff8113ca9a>] handle_pte_fault+0xfa/0x200

[15111481.428451]  [<ffffffff810063ee>] ? xen_pmd_val+0xe/0x10

[15111481.428457]  [<ffffffff81005369>] ? __raw_callee_save_xen_pmd_val+0x11/0x1e

[15111481.428463]  [<ffffffff8113dd79>] handle_mm_fault+0x269/0x370

[15111481.428470]  [<ffffffff8165db44>] do_page_fault+0x184/0x550

[15111481.428476]  [<ffffffff81142e58>] ? do_mmap_pgoff+0x348/0x360

[15111481.428481]  [<ffffffff81142f51>] ? sys_mmap_pgoff+0xe1/0x230

[15111481.428487]  [<ffffffff81144870>] ? sys_mprotect+0x1f0/0x250

[15111481.428493]  [<ffffffff8165a775>] page_fault+0x25/0x30

[15111481.428498] BUG: Bad page state in process gmetric  pfn:767ee

[15111481.428503] page:ffffea0001d9fb80 count:1 mapcount:1 mapping:ffff8801d0fe1319 index:0x20fa

[15111481.428509] page flags: 0x100000000080068(uptodate|lru|active|swapbacked)

[15111481.428517] Modules linked in: btrfs zlib_deflate libcrc32c ufs vfat msdos fat xfs ext2 tcp_diag inet_diag acpiphp

[15111481.428534] Pid: 32469, comm: gmetric Tainted: G    B D      3.2.0-56-virtual #86-Ubuntu

[15111481.428540] Call Trace:

[15111481.428544]  [<ffffffff8111decf>] bad_page.part.61+0x9f/0xf0

[15111481.623486]  [<ffffffff8111df38>] bad_page+0x18/0x30

[15111481.624237]  [<ffffffff8111f105>] prep_new_page+0x1d5/0x1e0

[15111481.624250]  [<ffffffff8100acf2>] ? check_events+0x12/0x20

[15111481.624961]  [<ffffffff81133f6f>] ? __inc_zone_state+0x5f/0x70

[15111481.624971]  [<ffffffff8111f2df>] get_page_from_freelist+0x1cf/0x540

[15111481.625753]  [<ffffffff8111f7ec>] __alloc_pages_nodemask+0x19c/0x8e0

[15111481.625764]  [<ffffffff8113b7e4>] ? zap_pte_range+0x244/0x3d0

[15111481.626494]  [<ffffffff8100634d>] ? pte_mfn_to_pfn+0x8d/0x110

[15111481.627194]  [<ffffffff8113bbf5>] ? unmap_page_range+0x285/0x300

[15111481.627204]  [<ffffffff81158983>] alloc_pages_vma+0xb3/0x190

[15111481.627210]  [<ffffffff811396d2>] __do_fault+0x362/0x550

[15111481.627990]  [<ffffffff8130ecbb>] ? prio_tree_insert+0x12b/0x1a0

[15111481.628000]  [<ffffffff8113ca9a>] handle_pte_fault+0xfa/0x200

[15111481.628698]  [<ffffffff810063ee>] ? xen_pmd_val+0xe/0x10

[15111481.628706]  [<ffffffff81005369>] ? __raw_callee_save_xen_pmd_val+0x11/0x1e

[15111481.628714]  [<ffffffff8113dd79>] handle_mm_fault+0x269/0x370

[15111481.629523]  [<ffffffff8165db44>] do_page_fault+0x184/0x550

[15111481.629533]  [<ffffffff81142e58>] ? do_mmap_pgoff+0x348/0x360

[15111481.630314]  [<ffffffff81142f51>] ? sys_mmap_pgoff+0xe1/0x230

[15111481.630663]  [<ffffffff81144870>] ? sys_mprotect+0x1f0/0x250

[15111481.630693]  [<ffffffff8165a775>] page_fault+0x25/0x30

[15111481.630703] BUG: Bad page state in process gmetric  pfn:92d63

[15111481.630709] page:ffffea00024b58c0 count:1 mapcount:1 mapping:ffff8801d0fe13f1 index:0x8eb

[15111481.630716] page flags: 0x100000000080068(uptodate|lru|active|swapbacked)

[15111481.630726] Modules linked in: btrfs zlib_deflate libcrc32c ufs vfat msdos fat xfs ext2 tcp_diag inet_diag acpiphp

[15111481.630765] Pid: 32469, comm: gmetric Tainted: G    B D      3.2.0-56-virtual #86-Ubuntu

[15111481.630826] Call Trace:

[15111481.630842]  [<ffffffff8111decf>] bad_page.part.61+0x9f/0xf0

[15111481.630848]  [<ffffffff8111df38>] bad_page+0x18/0x30

[15111481.630854]  [<ffffffff8111f105>] prep_new_page+0x1d5/0x1e0

[15111481.630862]  [<ffffffff8100acf2>] ? check_events+0x12/0x20

[15111481.630870]  [<ffffffff81133f6f>] ? __inc_zone_state+0x5f/0x70

[15111481.630876]  [<ffffffff8111f2df>] get_page_from_freelist+0x1cf/0x540

[15111481.630882]  [<ffffffff8111f7ec>] __alloc_pages_nodemask+0x19c/0x8e0

[15111481.630888]  [<ffffffff8113b7e4>] ? zap_pte_range+0x244/0x3d0

[15111481.630894]  [<ffffffff8100634d>] ? pte_mfn_to_pfn+0x8d/0x110

[15111481.630900]  [<ffffffff8113bbf5>] ? unmap_page_range+0x285/0x300

[15111481.630907]  [<ffffffff81158983>] alloc_pages_vma+0xb3/0x190

[15111481.630913]  [<ffffffff811396d2>] __do_fault+0x362/0x550

[15111481.630919]  [<ffffffff8130ecbb>] ? prio_tree_insert+0x12b/0x1a0

[15111481.630925]  [<ffffffff8113ca9a>] handle_pte_fault+0xfa/0x200

[15111481.630931]  [<ffffffff810063ee>] ? xen_pmd_val+0xe/0x10

[15111481.630937]  [<ffffffff81005369>] ? __raw_callee_save_xen_pmd_val+0x11/0x1e

[15111481.630943]  [<ffffffff8113dd79>] handle_mm_fault+0x269/0x370

[15111481.630950]  [<ffffffff8165db44>] do_page_fault+0x184/0x550

[15111481.630956]  [<ffffffff81142e58>] ? do_mmap_pgoff+0x348/0x360

[15111481.630962]  [<ffffffff81142f51>] ? sys_mmap_pgoff+0xe1/0x230

[15111481.630968]  [<ffffffff81144870>] ? sys_mprotect+0x1f0/0x250

[15111481.630974]  [<ffffffff8165a775>] page_fault+0x25/0x30

[15111481.630979] BUG: Bad page state in process gmetric  pfn:92d62

[15111481.630984] page:ffffea00024b5880 count:1 mapcount:1 mapping:ffff8801d0563949 index:0x7f91f0002

[15111481.630991] page flags: 0x100000000080068(uptodate|lru|active|swapbacked)

[15111481.631035] Modules linked in: btrfs zlib_deflate libcrc32c ufs vfat msdos fat xfs ext2 tcp_diag inet_diag acpiphp

[15111481.631053] Pid: 32469, comm: gmetric Tainted: G    B D      3.2.0-56-virtual #86-Ubuntu

[15111481.631059] Call Trace:

[15111481.631064]  [<ffffffff8111decf>] bad_page.part.61+0x9f/0xf0

[15111481.631069]  [<ffffffff8111df38>] bad_page+0x18/0x30

[15111481.631075]  [<ffffffff8111f105>] prep_new_page+0x1d5/0x1e0

[15111481.631081]  [<ffffffff8100acf2>] ? check_events+0x12/0x20

[15111481.631087]  [<ffffffff81133f6f>] ? __inc_zone_state+0x5f/0x70

[15111481.631093]  [<ffffffff8111f2df>] get_page_from_freelist+0x1cf/0x540

[15111481.631099]  [<ffffffff8111f7ec>] __alloc_pages_nodemask+0x19c/0x8e0

[15111481.631105]  [<ffffffff8113b7e4>] ? zap_pte_range+0x244/0x3d0

[15111481.631111]  [<ffffffff8100634d>] ? pte_mfn_to_pfn+0x8d/0x110

[15111481.631116]  [<ffffffff8113bbf5>] ? unmap_page_range+0x285/0x300

[15111481.631122]  [<ffffffff81158983>] alloc_pages_vma+0xb3/0x190

[15111481.821828]  [<ffffffff811396d2>] __do_fault+0x362/0x550

[15111481.823283]  [<ffffffff8130ecbb>] ? prio_tree_insert+0x12b/0x1a0

[15111481.824029]  [<ffffffff8113ca9a>] handle_pte_fault+0xfa/0x200

[15111481.824042]  [<ffffffff810063ee>] ? xen_pmd_val+0xe/0x10

[15111481.824821]  [<ffffffff81005369>] ? __raw_callee_save_xen_pmd_val+0x11/0x1e

[15111481.824834]  [<ffffffff8113dd79>] handle_mm_fault+0x269/0x370

[15111481.824845]  [<ffffffff8165db44>] do_page_fault+0x184/0x550

[15111481.825504]  [<ffffffff81142e58>] ? do_mmap_pgoff+0x348/0x360

[15111481.826245]  [<ffffffff81142f51>] ? sys_mmap_pgoff+0xe1/0x230

[15111481.826258]  [<ffffffff81144870>] ? sys_mprotect+0x1f0/0x250

[15111481.826269]  [<ffffffff8165a775>] page_fault+0x25/0x30

[15111481.827154] BUG: Bad page state in process gmetric  pfn:a3973

[15111481.827167] page:ffffea00028e5cc0 count:1 mapcount:1 mapping:ffff8801d0fe1871 index:0x7f91f695a

[15111481.827890] page flags: 0x100000000080068(uptodate|lru|active|swapbacked)

[15111481.827903] Modules linked in: btrfs zlib_deflate libcrc32c ufs vfat msdos fat xfs ext2 tcp_diag inet_diag acpiphp

[15111481.828310] Pid: 32469, comm: gmetric Tainted: G    B D      3.2.0-56-virtual #86-Ubuntu

[15111481.828317] Call Trace:

[15111481.828329]  [<ffffffff8111decf>] bad_page.part.61+0x9f/0xf0

[15111481.828335]  [<ffffffff8111df38>] bad_page+0x18/0x30

[15111481.828341]  [<ffffffff8111f105>] prep_new_page+0x1d5/0x1e0

[15111481.828351]  [<ffffffff8100acf2>] ? check_events+0x12/0x20

[15111481.828360]  [<ffffffff81133f6f>] ? __inc_zone_state+0x5f/0x70

[15111481.828366]  [<ffffffff8111f2df>] get_page_from_freelist+0x1cf/0x540

[15111481.828385]  [<ffffffff8111f7ec>] __alloc_pages_nodemask+0x19c/0x8e0

[15111481.828393]  [<ffffffff8113b7e4>] ? zap_pte_range+0x244/0x3d0

[15111481.828399]  [<ffffffff8100634d>] ? pte_mfn_to_pfn+0x8d/0x110

[15111481.828554]  [<ffffffff8113bbf5>] ? unmap_page_range+0x285/0x300

[15111481.828592]  [<ffffffff81158983>] alloc_pages_vma+0xb3/0x190

[15111481.828602]  [<ffffffff811396d2>] __do_fault+0x362/0x550

[15111481.828610]  [<ffffffff8130ecbb>] ? prio_tree_insert+0x12b/0x1a0

[15111481.828616]  [<ffffffff8113ca9a>] handle_pte_fault+0xfa/0x200

[15111481.828623]  [<ffffffff810063ee>] ? xen_pmd_val+0xe/0x10

[15111481.828697]  [<ffffffff81005369>] ? __raw_callee_save_xen_pmd_val+0x11/0x1e

[15111481.828754]  [<ffffffff8113dd79>] handle_mm_fault+0x269/0x370

[15111481.828765]  [<ffffffff8165db44>] do_page_fault+0x184/0x550

[15111481.828839]  [<ffffffff81142e58>] ? do_mmap_pgoff+0x348/0x360

[15111481.828920]  [<ffffffff81142f51>] ? sys_mmap_pgoff+0xe1/0x230

[15111481.828950]  [<ffffffff81144870>] ? sys_mprotect+0x1f0/0x250

[15111481.828959]  [<ffffffff8165a775>] page_fault+0x25/0x30

[15111481.828965] BUG: Bad page state in process gmetric  pfn:a3972

[15111481.828971] page:ffffea00028e5c80 count:1 mapcount:1 mapping:ffff8801d0fe1319 index:0x2065

[15111481.828977] page flags: 0x100000000080068(uptodate|lru|active|swapbacked)

[15111481.828986] Modules linked in: btrfs zlib_deflate libcrc32c ufs vfat msdos fat xfs ext2 tcp_diag inet_diag acpiphp

[15111481.829003] Pid: 32469, comm: gmetric Tainted: G    B D      3.2.0-56-virtual #86-Ubuntu

[15111481.829009] Call Trace:

[15111481.829014]  [<ffffffff8111decf>] bad_page.part.61+0x9f/0xf0

[15111481.829020]  [<ffffffff8111df38>] bad_page+0x18/0x30

[15111481.829025]  [<ffffffff8111f105>] prep_new_page+0x1d5/0x1e0

[15111481.829031]  [<ffffffff8100acf2>] ? check_events+0x12/0x20

[15111481.829038]  [<ffffffff81133f6f>] ? __inc_zone_state+0x5f/0x70

[15111481.829044]  [<ffffffff8111f2df>] get_page_from_freelist+0x1cf/0x540

[15111481.829050]  [<ffffffff8111f7ec>] __alloc_pages_nodemask+0x19c/0x8e0

[15111481.829056]  [<ffffffff8113b7e4>] ? zap_pte_range+0x244/0x3d0

[15111481.829061]  [<ffffffff8100634d>] ? pte_mfn_to_pfn+0x8d/0x110

[15111481.829067]  [<ffffffff8113bbf5>] ? unmap_page_range+0x285/0x300

[15111481.829073]  [<ffffffff81158983>] alloc_pages_vma+0xb3/0x190

[15111481.829079]  [<ffffffff811396d2>] __do_fault+0x362/0x550

[15111481.829085]  [<ffffffff8130ecbb>] ? prio_tree_insert+0x12b/0x1a0

[15111481.829091]  [<ffffffff8113ca9a>] handle_pte_fault+0xfa/0x200

[15111481.829096]  [<ffffffff810063ee>] ? xen_pmd_val+0xe/0x10

[15111481.829102]  [<ffffffff81005369>] ? __raw_callee_save_xen_pmd_val+0x11/0x1e

[15111481.829122]  [<ffffffff8113dd79>] handle_mm_fault+0x269/0x370

[15111481.829130]  [<ffffffff8165db44>] do_page_fault+0x184/0x550

[15111481.829136]  [<ffffffff81142e58>] ? do_mmap_pgoff+0x348/0x360

[15111481.829142]  [<ffffffff81142f51>] ? sys_mmap_pgoff+0xe1/0x230

[15111481.829148]  [<ffffffff81144870>] ? sys_mprotect+0x1f0/0x250

[15111481.829154]  [<ffffffff8165a775>] page_fault+0x25/0x30

[15111481.829159] BUG: Bad page state in process gmetric  pfn:98d29

[15111481.829164] page:ffffea0002634a40 count:1 mapcount:1 mapping:ffff8801d0fe1319 index:0x1f99

[15111482.035644] page flags: 0x100000000080068(uptodate|lru|active|swapbacked)

[15111482.036474] Modules linked in: btrfs zlib_deflate libcrc32c ufs vfat msdos fat xfs ext2 tcp_diag inet_diag acpiphp

[15111482.038596] Pid: 32469, comm: gmetric Tainted: G    B D      3.2.0-56-virtual #86-Ubuntu

[15111482.038606] Call Trace:

[15111482.038622]  [<ffffffff8111decf>] bad_page.part.61+0x9f/0xf0

[15111482.039382]  [<ffffffff8111df38>] bad_page+0x18/0x30

[15111482.039391]  [<ffffffff8111f105>] prep_new_page+0x1d5/0x1e0

[15111482.039401]  [<ffffffff8100acf2>] ? check_events+0x12/0x20

[15111482.040145]  [<ffffffff81133f6f>] ? __inc_zone_state+0x5f/0x70

[15111482.040155]  [<ffffffff8111f2df>] get_page_from_freelist+0x1cf/0x540

[15111482.040161]  [<ffffffff8111f7ec>] __alloc_pages_nodemask+0x19c/0x8e0

[15111482.041293]  [<ffffffff8113b7e4>] ? zap_pte_range+0x244/0x3d0

[15111482.041304]  [<ffffffff8100634d>] ? pte_mfn_to_pfn+0x8d/0x110

[15111482.041310]  [<ffffffff8113bbf5>] ? unmap_page_range+0x285/0x300

[15111482.041318]  [<ffffffff81158983>] alloc_pages_vma+0xb3/0x190

[15111482.041993]  [<ffffffff811396d2>] __do_fault+0x362/0x550

[15111482.042005]  [<ffffffff8130ecbb>] ? prio_tree_insert+0x12b/0x1a0

[15111482.042011]  [<ffffffff8113ca9a>] handle_pte_fault+0xfa/0x200

[15111482.042018]  [<ffffffff810063ee>] ? xen_pmd_val+0xe/0x10

[15111482.042714]  [<ffffffff81005369>] ? __raw_callee_save_xen_pmd_val+0x11/0x1e

[15111482.042725]  [<ffffffff8113dd79>] handle_mm_fault+0x269/0x370

[15111482.042737]  [<ffffffff8165db44>] do_page_fault+0x184/0x550

[15111482.043490]  [<ffffffff81142e58>] ? do_mmap_pgoff+0x348/0x360

[15111482.043499]  [<ffffffff81142f51>] ? sys_mmap_pgoff+0xe1/0x230

[15111482.046237]  [<ffffffff81144870>] ? sys_mprotect+0x1f0/0x250

[15111482.046255]  [<ffffffff8165a775>] page_fault+0x25/0x30

[15111482.046322] sched: RT throttling activated

[15111482.121996] BUG: Bad page state in process flush-202:1  pfn:da369

[15111482.122011] page:ffffea000368da40 count:0 mapcount:0 mapping:ffff8801d08abf31 index:0x1a50

[15111482.122018] page flags: 0x100000000080048(uptodate|active|swapbacked)

[15111482.122028] Modules linked in: btrfs zlib_deflate libcrc32c ufs vfat msdos fat xfs ext2 tcp_diag inet_diag acpiphp

[15111482.122050] Pid: 987, comm: flush-202:1 Tainted: G    B D      3.2.0-56-virtual #86-Ubuntu

[15111482.122057] Call Trace:

[15111482.122061]  <IRQ>  [<ffffffff8111decf>] bad_page.part.61+0x9f/0xf0

[15111482.122078]  [<ffffffff8111df38>] bad_page+0x18/0x30

[15111482.122084]  [<ffffffff8111f105>] prep_new_page+0x1d5/0x1e0

[15111482.122090]  [<ffffffff8111f2df>] get_page_from_freelist+0x1cf/0x540

[15111482.122097]  [<ffffffff8111f7ec>] __alloc_pages_nodemask+0x19c/0x8e0

[15111482.122108]  [<ffffffff81575245>] ? ip_local_deliver_finish+0xe5/0x280

[15111482.122115]  [<ffffffff815755a8>] ? ip_local_deliver+0x88/0x90

[15111482.122123]  [<ffffffff8116124c>] ? ksize+0x1c/0xc0

[15111482.122132]  [<ffffffff81157046>] alloc_pages_current+0xb6/0x120

[15111482.122141]  [<ffffffff81482776>] xennet_alloc_rx_buffers+0xe6/0x340

[15111482.122147]  [<ffffffff81482073>] ? handle_incoming_queue+0x133/0x140

[15111482.122153]  [<ffffffff81482e01>] xennet_poll+0x361/0x4d0

[15111482.122162]  [<ffffffff81541fc4>] net_rx_action+0x134/0x290

[15111482.122171]  [<ffffffff810d81c9>] ? handle_irq_event+0x59/0x80

[15111482.122178]  [<ffffffff8106e458>] __do_softirq+0xa8/0x210

[15111482.122188]  [<ffffffff816648ac>] call_softirq+0x1c/0x30

[15111482.122195]  [<ffffffff81016295>] do_softirq+0x65/0xa0

[15111482.122200]  [<ffffffff8106e83e>] irq_exit+0x8e/0xb0

[15111482.122208]  [<ffffffff813aa2d5>] xen_evtchn_do_upcall+0x35/0x50

[15111482.122214]  [<ffffffff816648fe>] xen_do_hypervisor_callback+0x1e/0x30

[15111482.122219]  <EOI>  [<ffffffff810013aa>] ? hypercall_page+0x3aa/0x1000

[15111482.122229]  [<ffffffff810013aa>] ? hypercall_page+0x3aa/0x1000

[15111482.122235]  [<ffffffff813a895e>] ? xen_poll_irq_timeout+0x3e/0x50

[15111482.122241]  [<ffffffff813aa460>] ? xen_poll_irq+0x10/0x20

[15111482.122248]  [<ffffffff8163ee30>] ? xen_spin_lock_slow+0x97/0xf2

[15111482.122254]  [<ffffffff81012323>] ? xen_spin_lock_flags+0x63/0x70

[15111482.122263]  [<ffffffff8165a01e>] ? _raw_spin_unlock_irqrestore+0x1e/0x30

[15111482.122271]  [<ffffffff811230f0>] ? pagevec_move_tail+0x40/0x40

[15111482.122277]  [<ffffffff8165a27e>] ? _raw_spin_lock_irqsave+0x2e/0x40

[15111482.122283]  [<ffffffff811230f0>] ? pagevec_move_tail+0x40/0x40

[15111482.122289]  [<ffffffff8112302d>] ? pagevec_lru_move_fn+0x8d/0xf0

[15111482.122295]  [<ffffffff811230a7>] ? ____pagevec_lru_add+0x17/0x20

[15111482.122301]  [<ffffffff811235b3>] ? drain_cpu_pagevecs+0xa3/0xf0

[15111482.122306]  [<ffffffff8165a01e>] ? _raw_spin_unlock_irqrestore+0x1e/0x30

[15111482.122313]  [<ffffffff811239b6>] ? lru_add_drain+0x16/0x20

[15111482.122319]  [<ffffffff811239d6>] ? __pagevec_release+0x16/0x40

[15111482.122327]  [<ffffffff8121419b>] ? ext4_num_dirty_pages.isra.33+0x7b/0x280

[15111482.122335]  [<ffffffff8121a4ff>] ? ext4_da_writepages+0x5bf/0x620

[15111482.122346]  [<ffffffff8130a6a6>] ? cpumask_next_and+0x36/0x50

[15111482.122355]  [<ffffffff8105a391>] ? find_busiest_group+0x171/0xbb0

[15111482.122361]  [<ffffffff81121b81>] ? do_writepages+0x21/0x40

[15111482.122369]  [<ffffffff811a07b0>] ? writeback_single_inode+0x170/0x420

[15111482.122376]  [<ffffffff811a0e76>] ? writeback_sb_inodes+0x1b6/0x270

[15111482.210519]  [<ffffffff811a0fce>] ? __writeback_inodes_wb+0x9e/0xd0

[15111482.210565]  [<ffffffff811a126b>] ? wb_writeback+0x26b/0x310

[15111482.210613]  [<ffffffff810136ef>] ? __switch_to+0xff/0x360

[15111482.210664]  [<ffffffff81192912>] ? get_nr_dirty_inodes+0x52/0x80

[15111482.210711]  [<ffffffff811a13af>] ? wb_check_old_data_flush+0x9f/0xb0

[15111482.210762]  [<ffffffff811a2281>] ? wb_do_writeback+0x151/0x1d0

[15111482.210809]  [<ffffffff810764e0>] ? usleep_range+0x50/0x50

[15111482.210856]  [<ffffffff811a2383>] ? bdi_writeback_thread+0x83/0x270

[15111482.210904]  [<ffffffff8165a01e>] ? _raw_spin_unlock_irqrestore+0x1e/0x30

[15111482.210952]  [<ffffffff811a2300>] ? wb_do_writeback+0x1d0/0x1d0

[15111482.211042]  [<ffffffff81089bac>] ? kthread+0x8c/0xa0

[15111482.211092]  [<ffffffff816647b4>] ? kernel_thread_helper+0x4/0x10

[15111482.211135]  [<ffffffff81662863>] ? int_ret_from_sys_call+0x7/0x1b

[15111482.211182]  [<ffffffff8165a4fc>] ? retint_restore_args+0x5/0x6

[15111482.211224]  [<ffffffff816647b0>] ? gs_change+0x13/0x13

[15111482.316845] BUG: unable to handle kernel paging request at ffff8801e3e9c170

[15111482.316865] IP: [<ffffffff8111e3c0>] free_pcppages_bulk+0x140/0x3f0

[15111482.316880] PGD 1c06067 PUD ffefa067 PMD 0 

[15111482.316887] Oops: 0000 [#2] SMP 

[15111482.316894] CPU 1 

[15111482.316896] Modules linked in: btrfs zlib_deflate libcrc32c ufs vfat msdos fat xfs ext2 tcp_diag inet_diag acpiphp

[15111482.316916] 

[15111482.316920] Pid: 987, comm: flush-202:1 Tainted: G    B D      3.2.0-56-virtual #86-Ubuntu  

[15111482.316928] RIP: e030:[<ffffffff8111e3c0>]  [<ffffffff8111e3c0>] free_pcppages_bulk+0x140/0x3f0

[15111482.316938] RSP: e02b:ffff8801dfd03c60  EFLAGS: 00010086

[15111482.316942] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff8801dfffbb98

[15111482.316948] RDX: ffff8801e3e9c100 RSI: 0000000000000000 RDI: ffff8801dfffbb78

[15111482.316954] RBP: ffff8801dfd03cd0 R08: 0000000000000000 R09: ffff8801dfffbbb8

[15111482.316960] R10: 00000000000006ec R11: 0000000000000000 R12: ffff8801dfffbb78

[15111482.316966] R13: ffff8801dfffbb98 R14: 0000000003ea0a00 R15: ffff8801dfffbb38

[15111482.316976] FS:  00007fd3673d6700(0000) GS:ffff8801dfd00000(0000) knlGS:0000000000000000

[15111482.316982] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b

[15111482.316987] CR2: ffff8801e3e9c170 CR3: 0000000152a14000 CR4: 0000000000002660

[15111482.316994] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000

[15111482.317000] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400

[15111482.317006] Process flush-202:1 (pid: 987, threadinfo ffff8801d2894000, task ffff8801d06296e0)

[15111482.317013] Stack:

[15111482.317016]  ffff8801dfffcc00 0000001fd0df0000 ffff8801dfffb760 ffff8801dfd16ab0

[15111482.317026]  ffff8801dfd16ae0 ffff8801dfffb700 0000000000000007 0000000200000002

[15111482.317035]  ffff8801dfd03cc0 ffffea0002a3c940 0000000000000202 ffff8801dfd16ab0

[15111482.317043] Call Trace:

[15111482.317047]  <IRQ> 

[15111482.317053]  [<ffffffff8111ec44>] free_hot_cold_page+0x154/0x1a0

[15111482.317064]  [<ffffffff81157046>] ? alloc_pages_current+0xb6/0x120

[15111482.317071]  [<ffffffff8111ecbd>] __free_pages+0x2d/0x40

[15111482.317079]  [<ffffffff8148200d>] handle_incoming_queue+0xcd/0x140

[15111482.317086]  [<ffffffff81482da9>] xennet_poll+0x309/0x4d0

[15111482.317094]  [<ffffffff81541fc4>] net_rx_action+0x134/0x290

[15111482.317102]  [<ffffffff810d81c9>] ? handle_irq_event+0x59/0x80

[15111482.317109]  [<ffffffff8106e458>] __do_softirq+0xa8/0x210

[15111482.317119]  [<ffffffff816648ac>] call_softirq+0x1c/0x30

[15111482.317128]  [<ffffffff81016295>] do_softirq+0x65/0xa0

[15111482.317134]  [<ffffffff8106e83e>] irq_exit+0x8e/0xb0

[15111482.317142]  [<ffffffff813aa2d5>] xen_evtchn_do_upcall+0x35/0x50

[15111482.317148]  [<ffffffff816648fe>] xen_do_hypervisor_callback+0x1e/0x30

[15111482.317153]  <EOI> 

[15111482.317160]  [<ffffffff810013aa>] ? hypercall_page+0x3aa/0x1000

[15111482.317166]  [<ffffffff810013aa>] ? hypercall_page+0x3aa/0x1000

[15111482.317172]  [<ffffffff813a895e>] ? xen_poll_irq_timeout+0x3e/0x50

[15111482.317178]  [<ffffffff813aa460>] ? xen_poll_irq+0x10/0x20

[15111482.317185]  [<ffffffff8163ee30>] ? xen_spin_lock_slow+0x97/0xf2

[15111482.317191]  [<ffffffff81012323>] ? xen_spin_lock_flags+0x63/0x70

[15111482.317200]  [<ffffffff8165a01e>] ? _raw_spin_unlock_irqrestore+0x1e/0x30

[15111482.317208]  [<ffffffff811230f0>] ? pagevec_move_tail+0x40/0x40

[15111482.317214]  [<ffffffff8165a27e>] ? _raw_spin_lock_irqsave+0x2e/0x40

[15111482.317220]  [<ffffffff811230f0>] ? pagevec_move_tail+0x40/0x40

[15111482.317226]  [<ffffffff8112302d>] ? pagevec_lru_move_fn+0x8d/0xf0

[15111482.317232]  [<ffffffff811230a7>] ? ____pagevec_lru_add+0x17/0x20

[15111482.317238]  [<ffffffff811235b3>] ? drain_cpu_pagevecs+0xa3/0xf0

[15111482.317244]  [<ffffffff8165a01e>] ? _raw_spin_unlock_irqrestore+0x1e/0x30

[15111482.317251]  [<ffffffff811239b6>] ? lru_add_drain+0x16/0x20

[15111482.317256]  [<ffffffff811239d6>] ? __pagevec_release+0x16/0x40

[15111482.317265]  [<ffffffff8121419b>] ? ext4_num_dirty_pages.isra.33+0x7b/0x280

[15111482.410435]  [<ffffffff8121a4ff>] ? ext4_da_writepages+0x5bf/0x620

[15111482.410447]  [<ffffffff8130a6a6>] ? cpumask_next_and+0x36/0x50

[15111482.410457]  [<ffffffff8105a391>] ? find_busiest_group+0x171/0xbb0

[15111482.410466]  [<ffffffff81121b81>] ? do_writepages+0x21/0x40

[15111482.410475]  [<ffffffff811a07b0>] ? writeback_single_inode+0x170/0x420

[15111482.410482]  [<ffffffff811a0e76>] ? writeback_sb_inodes+0x1b6/0x270

[15111482.410488]  [<ffffffff811a0fce>] ? __writeback_inodes_wb+0x9e/0xd0

[15111482.410494]  [<ffffffff811a126b>] ? wb_writeback+0x26b/0x310

[15111482.410504]  [<ffffffff810136ef>] ? __switch_to+0xff/0x360

[15111482.410512]  [<ffffffff81192912>] ? get_nr_dirty_inodes+0x52/0x80

[15111482.410518]  [<ffffffff811a13af>] ? wb_check_old_data_flush+0x9f/0xb0

[15111482.410525]  [<ffffffff811a2281>] ? wb_do_writeback+0x151/0x1d0

[15111482.410535]  [<ffffffff810764e0>] ? usleep_range+0x50/0x50

[15111482.410541]  [<ffffffff811a2383>] ? bdi_writeback_thread+0x83/0x270

[15111482.410551]  [<ffffffff8165a01e>] ? _raw_spin_unlock_irqrestore+0x1e/0x30

[15111482.410558]  [<ffffffff811a2300>] ? wb_do_writeback+0x1d0/0x1d0

[15111482.410566]  [<ffffffff81089bac>] ? kthread+0x8c/0xa0

[15111482.410575]  [<ffffffff816647b4>] ? kernel_thread_helper+0x4/0x10

[15111482.410582]  [<ffffffff81662863>] ? int_ret_from_sys_call+0x7/0x1b

[15111482.410588]  [<ffffffff8165a4fc>] ? retint_restore_args+0x5/0x6

[15111482.410594]  [<ffffffff816647b0>] ? gs_change+0x13/0x13

[15111482.410599] Code: 48 c1 ee 38 48 c1 ea 38 39 d6 0f 84 2b 02 00 00 48 8d 14 80 4d 63 f6 48 8d 4f 20 49 c1 e6 04 48 8d 14 50 49 8d 14 d6 48 03 55 b8 <48> 8b 72 70 4c 8d 42 70 48 89 4e 08 48 89 77 20 4c 89 47 28 48 

[15111482.410656] RIP  [<ffffffff8111e3c0>] free_pcppages_bulk+0x140/0x3f0

[15111482.410664]  RSP <ffff8801dfd03c60>

[15111482.410668] CR2: ffff8801e3e9c170

[15111482.410675] ---[ end trace 341d6a1d92bcff24 ]---

[15111482.410679] Kernel panic - not syncing: Fatal exception in interrupt

[15111482.410687] Pid: 987, comm: flush-202:1 Tainted: G    B D      3.2.0-56-virtual #86-Ubuntu

[15111482.410693] Call Trace:

[15111482.410696]  <IRQ>  [<ffffffff81641a47>] panic+0x91/0x1a4

[15111482.410708]  [<ffffffff8165b1da>] oops_end+0xea/0xf0

[15111482.410714]  [<ffffffff816408fb>] no_context+0x150/0x15d

[15111482.410719]  [<ffffffff81640ad3>] __bad_area_nosemaphore+0x1cb/0x1ea

[15111482.410725]  [<ffffffff8164015b>] ? pud_page_vaddr+0xb/0x27

[15111482.410731]  [<ffffffff81640191>] ? pmd_offset+0x1a/0x20

[15111482.410736]  [<ffffffff81640b05>] bad_area_nosemaphore+0x13/0x15

[15111482.410743]  [<ffffffff8165de3b>] do_page_fault+0x47b/0x550

[15111482.410749]  [<ffffffff8111f2df>] ? get_page_from_freelist+0x1cf/0x540

[15111482.410756]  [<ffffffff8165a775>] page_fault+0x25/0x30

[15111482.410762]  [<ffffffff8111e3c0>] ? free_pcppages_bulk+0x140/0x3f0

[15111482.410768]  [<ffffffff8111ec44>] free_hot_cold_page+0x154/0x1a0

[15111482.410778]  [<ffffffff81157046>] ? alloc_pages_current+0xb6/0x120

[15111482.410784]  [<ffffffff8111ecbd>] __free_pages+0x2d/0x40

[15111482.410792]  [<ffffffff8148200d>] handle_incoming_queue+0xcd/0x140

[15111482.410799]  [<ffffffff81482da9>] xennet_poll+0x309/0x4d0

[15111482.410807]  [<ffffffff81541fc4>] net_rx_action+0x134/0x290

[15111482.410815]  [<ffffffff810d81c9>] ? handle_irq_event+0x59/0x80

[15111482.410821]  [<ffffffff8106e458>] __do_softirq+0xa8/0x210

[15111482.410827]  [<ffffffff816648ac>] call_softirq+0x1c/0x30

[15111482.410833]  [<ffffffff81016295>] do_softirq+0x65/0xa0

[15111482.410838]  [<ffffffff8106e83e>] irq_exit+0x8e/0xb0

[15111482.410845]  [<ffffffff813aa2d5>] xen_evtchn_do_upcall+0x35/0x50

[15111482.410852]  [<ffffffff816648fe>] xen_do_hypervisor_callback+0x1e/0x30

[15111482.410856]  <EOI>  [<ffffffff810013aa>] ? hypercall_page+0x3aa/0x1000

[15111482.410866]  [<ffffffff810013aa>] ? hypercall_page+0x3aa/0x1000

[15111482.410872]  [<ffffffff813a895e>] ? xen_poll_irq_timeout+0x3e/0x50

[15111482.410878]  [<ffffffff813aa460>] ? xen_poll_irq+0x10/0x20

[15111482.410884]  [<ffffffff8163ee30>] ? xen_spin_lock_slow+0x97/0xf2

[15111482.410890]  [<ffffffff81012323>] ? xen_spin_lock_flags+0x63/0x70

[15111482.410896]  [<ffffffff8165a01e>] ? _raw_spin_unlock_irqrestore+0x1e/0x30

[15111482.410903]  [<ffffffff811230f0>] ? pagevec_move_tail+0x40/0x40

[15111482.410908]  [<ffffffff8165a27e>] ? _raw_spin_lock_irqsave+0x2e/0x40

[15111482.410914]  [<ffffffff811230f0>] ? pagevec_move_tail+0x40/0x40

[15111482.410920]  [<ffffffff8112302d>] ? pagevec_lru_move_fn+0x8d/0xf0

[15111482.410926]  [<ffffffff811230a7>] ? ____pagevec_lru_add+0x17/0x20

[15111482.426956]  [<ffffffff811235b3>] ? drain_cpu_pagevecs+0xa3/0xf0

[15111482.610385]  [<ffffffff8165a01e>] ? _raw_spin_unlock_irqrestore+0x1e/0x30

[15111482.610393]  [<ffffffff811239b6>] ? lru_add_drain+0x16/0x20

[15111482.610399]  [<ffffffff811239d6>] ? __pagevec_release+0x16/0x40

[15111482.610407]  [<ffffffff8121419b>] ? ext4_num_dirty_pages.isra.33+0x7b/0x280

[15111482.610414]  [<ffffffff8121a4ff>] ? ext4_da_writepages+0x5bf/0x620

[15111482.610421]  [<ffffffff8130a6a6>] ? cpumask_next_and+0x36/0x50

[15111482.610428]  [<ffffffff8105a391>] ? find_busiest_group+0x171/0xbb0

[15111482.610435]  [<ffffffff81121b81>] ? do_writepages+0x21/0x40

[15111482.610442]  [<ffffffff811a07b0>] ? writeback_single_inode+0x170/0x420

[15111482.610448]  [<ffffffff811a0e76>] ? writeback_sb_inodes+0x1b6/0x270

[15111482.610454]  [<ffffffff811a0fce>] ? __writeback_inodes_wb+0x9e/0xd0

[15111482.610460]  [<ffffffff811a126b>] ? wb_writeback+0x26b/0x310

[15111482.610467]  [<ffffffff810136ef>] ? __switch_to+0xff/0x360

[15111482.610473]  [<ffffffff81192912>] ? get_nr_dirty_inodes+0x52/0x80

[15111482.610479]  [<ffffffff811a13af>] ? wb_check_old_data_flush+0x9f/0xb0

[15111482.610486]  [<ffffffff811a2281>] ? wb_do_writeback+0x151/0x1d0

[15111482.610493]  [<ffffffff810764e0>] ? usleep_range+0x50/0x50

[15111482.610499]  [<ffffffff811a2383>] ? bdi_writeback_thread+0x83/0x270

[15111482.610505]  [<ffffffff8165a01e>] ? _raw_spin_unlock_irqrestore+0x1e/0x30

[15111482.610511]  [<ffffffff811a2300>] ? wb_do_writeback+0x1d0/0x1d0

[15111482.610518]  [<ffffffff81089bac>] ? kthread+0x8c/0xa0

[15111482.610524]  [<ffffffff816647b4>] ? kernel_thread_helper+0x4/0x10

[15111482.610530]  [<ffffffff81662863>] ? int_ret_from_sys_call+0x7/0x1b

[15111482.610536]  [<ffffffff8165a4fc>] ? retint_restore_args+0x5/0x6

[15111482.610542]  [<ffffffff816647b0>] ? gs_change+0x13/0x13