From: Konrad Rzeszutek Wilk <konrad@darnok.org>
To: Steven Noonan <steven@uplinklabs.net>
Cc: Mel Gorman <mgorman@suse.de>,
Elena Ufimtseva <ufimtseva@gmail.com>,
xen-devel <xen-devel@lists.xenproject.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
David Vrabel <david.vrabel@citrix.com>
Subject: Re: Regression introduced by "xen: properly account for _PAGE_NUMA during xen pte translations" (a9c8e4beeeb64c22b84c803747487857fe424b68)
Date: Tue, 4 Mar 2014 16:54:42 -0400 [thread overview]
Message-ID: <20140304205442.GA16530@andromeda.dapyr.net> (raw)
In-Reply-To: <CAKbGBLiqOrZtcv-ZA_WnK0KzoO4McuuaZoSe+6KTK4uUusDnkw@mail.gmail.com>
On Thu, Feb 27, 2014 at 06:48:09PM -0800, Steven Noonan wrote:
> For the issue fixed by a9c8e4be, it was possible to trigger it using a
> small test case. Does that same test work if you run it after
> migrating the instance?
I tried your application - before and after migration with
a stock 3.14-rc4 and a 3.14-rc4+revert of "xen: properly account for
_PAGE_NUMA during xen pte translations." - nothing blew up.
Perhaps it is related to the .config I have.
> > Here is what the console says (ignore the first BUG please):
. snip..
> > [ 71.195552] BUG: Bad page map in process iscsid pte:39b22120 pmd:06953067
0x120 -> 0000000100100000
PTE flags are wonky. It certainly does not have PTE_PRESENT. But it has
_PAGE_BIT_ACCESSED and _PAGE_BIT_GLOBAL set. And the new 'pte_present'
will now trigger of _PAGE_BIT_GLOBAL being set.
David, could this be the migration code doing something? Could it have
put those flags in there as a way to help in migration?
> > [ 71.195569] page:ffffea0000c9ef70 count:1 mapcount:-1 mapping:ffff88003a536490 index:0x1c8
> > [ 71.195576] page flags: 0x100000000080078(uptodate|dirty|lru|active|swapbacked)
> > [ 71.195585] page dumped because: bad pte
> > [ 71.195589] addr:00007fb105d37000 vm_flags:00000070 anon_vma: (null) mapping:ffff880032006970 index:c
> > [ 71.195598] vma->vm_ops->fault: shmem_fault+0x0/0x70
> > [ 71.195603] vma->vm_file->f_op->mmap: shmem_mmap+0x0/0x30
> > [ 71.195613] CPU: 0 PID: 2296 Comm: iscsid Not tainted 3.14.0-rc4upstream #1
> > [ 71.195618] 00007fb105d37000 ffff880030ff3c28 ffffffff816f0e59 0000000000000000
> > [ 71.195627] ffff8800302f8378 ffff880030ff3c78 ffffffff81199a5b ffff880030ff3c58
> > [ 71.195634] ffffffff8117f6e1 ffff880030ff3c58 00007fb105d37000 ffff8800069539b8
> > [ 71.195642] Call Trace:
> > [ 71.195649] [<ffffffff816f0e59>] dump_stack+0x51/0x6b
> > [ 71.195657] [<ffffffff81199a5b>] print_bad_pte+0x1bb/0x280
> > [ 71.195663] [<ffffffff8117f6e1>] ? activate_page+0xb1/0xe0
> > [ 71.195669] [<ffffffff8119ad68>] unmap_single_vma+0x8c8/0x910
> > [ 71.195676] [<ffffffff81040a69>] ? xen_pte_unlock+0x9/0x10
> > [ 71.195680] [<ffffffff8119adfc>] unmap_vmas+0x4c/0xa0
> > [ 71.195688] [<ffffffff811a2920>] exit_mmap+0x90/0x160
> > [ 71.195694] [<ffffffff816f5f13>] ? _raw_spin_lock_irqsave+0x13/0x60
> > [ 71.195702] [<ffffffff8109d672>] mmput+0x52/0x100
> > [ 71.195707] [<ffffffff810a186c>] do_exit+0x29c/0xb90
> > [ 71.195712] [<ffffffff810a3349>] ? SyS_wait4+0xa9/0xf0
> > [ 71.195719] [<ffffffff810a2271>] do_group_exit+0x51/0x130
> > [ 71.195724] [<ffffffff810a2362>] SyS_exit_group+0x12/0x20
> > [ 71.195732] [<ffffffff816fe7f9>] system_call_fastpath+0x16/0x1b
> > [ 71.195736] Disabling lock debugging due to kernel taint
> > [ 71.195740] BUG: Bad page map in process iscsid pte:39b23120 pmd:06953067
> > [ 71.195744] page:ffffea0000c9efa8 count:2 mapcount:-1 mapping:ffff88003a536490 index:0x1c9
> > [ 71.195751] page flags: 0x100000000080038(uptodate|dirty|lru|swapbacked)
> > [ 71.195759] page dumped because: bad pte
> > [ 71.195764] addr:00007fb105d38000 vm_flags:00000070 anon_vma: (null) mapping:ffff880032006970 index:d
> > [ 71.195770] vma->vm_ops->fault: shmem_fault+0x0/0x70
> > [ 71.195774] vma->vm_file->f_op->mmap: shmem_mmap+0x0/0x30
> > [ 71.195778] CPU: 0 PID: 2296 Comm: iscsid Tainted: G B 3.14.0-rc4upstream #1
> > [ 71.195783] 00007fb105d38000 ffff880030ff3c28 ffffffff816f0e59 0000000000000000
> > [ 71.195791] ffff8800302f8378 ffff880030ff3c78 ffffffff81199a5b 0000000000000575
> > [ 71.195798] 0720072007200720 ffff880030ff3c58 00007fb105d38000 ffff8800069539c0
> > [ 71.195806] Call Trace:
> > [ 71.195810] [<ffffffff816f0e59>] dump_stack+0x51/0x6b
> > [ 71.195816] [<ffffffff81199a5b>] print_bad_pte+0x1bb/0x280
> > [ 71.195820] [<ffffffff8119ad68>] unmap_single_vma+0x8c8/0x910
> > [ 71.195827] [<ffffffff81040a69>] ? xen_pte_unlock+0x9/0x10
> > [ 71.195832] [<ffffffff8119adfc>] unmap_vmas+0x4c/0xa0
> > [ 71.195839] [<ffffffff811a2920>] exit_mmap+0x90/0x160
> > [ 71.195843] [<ffffffff816f5f13>] ? _raw_spin_lock_irqsave+0x13/0x60
> > [ 71.195849] [<ffffffff8109d672>] mmput+0x52/0x100
> > [ 71.195854] [<ffffffff810a186c>] do_exit+0x29c/0xb90
> > [ 71.195858] [<ffffffff810a3349>] ? SyS_wait4+0xa9/0xf0
> > [ 71.195863] [<ffffffff810a2271>] do_group_exit+0x51/0x130
> > [ 71.195870] [<ffffffff810a2362>] SyS_exit_group+0x12/0x20
> > [ 71.195875] [<ffffffff816fe7f9>] system_call_fastpath+0x16/0x1b
> > [ 71.195880] BUG: Bad page map in process iscsid pte:39b24120 pmd:06953067
> > [ 71.195884] page:ffffea0000c9efe0 count:2 mapcount:-1 mapping:ffff88003a536490 index:0x1ca
> > [ 71.195888] page flags: 0x100000000080038(uptodate|dirty|lru|swapbacked)
> > [ 71.195895] page dumped because: bad pte
> > [ 71.195898] addr:00007fb105d39000 vm_flags:00000070 anon_vma: (null) mapping:ffff880032006970 index:e
> > [ 71.195904] vma->vm_ops->fault: shmem_fault+0x0/0x70
> > [ 71.195908] vma->vm_file->f_op->mmap: shmem_mmap+0x0/0x30
> > [ 71.195912] CPU: 0 PID: 2296 Comm: iscsid Tainted: G B 3.14.0-rc4upstream #1
> > [ 71.195916] 00007fb105d39000 ffff880030ff3c28 ffffffff816f0e59 0000000000000000
> > [ 71.195923] ffff8800302f8378 ffff880030ff3c78 ffffffff81199a5b 000000000000058e
> > [ 71.195929] 0720072007200720 ffff880030ff3c58 00007fb105d39000 ffff8800069539c8
> > [ 71.195935] Call Trace:
> > [ 71.195939] [<ffffffff816f0e59>] dump_stack+0x51/0x6b
> > [ 71.195944] [<ffffffff81199a5b>] print_bad_pte+0x1bb/0x280
> > [ 71.195948] [<ffffffff8119ad68>] unmap_single_vma+0x8c8/0x910
> > [ 71.195953] [<ffffffff81040a69>] ? xen_pte_unlock+0x9/0x10
> > [ 71.195958] [<ffffffff8119adfc>] unmap_vmas+0x4c/0xa0
> > [ 71.195963] [<ffffffff811a2920>] exit_mmap+0x90/0x160
> > [ 71.195967] [<ffffffff816f5f13>] ? _raw_spin_lock_irqsave+0x13/0x60
> > [ 71.195973] [<ffffffff8109d672>] mmput+0x52/0x100
> > [ 71.195977] [<ffffffff810a186c>] do_exit+0x29c/0xb90
> > [ 71.195982] [<ffffffff810a3349>] ? SyS_wait4+0xa9/0xf0
> > [ 71.195987] [<ffffffff810a2271>] do_group_exit+0x51/0x130
> > [ 71.195992] [<ffffffff810a2362>] SyS_exit_group+0x12/0x20
> > [ 71.195997] [<ffffffff816fe7f9>] system_call_fastpath+0x16/0x1b
> > [ 71.196001] BUG: Bad page map in process iscsid pte:39b25120 pmd:06953067
> > [ 71.196005] page:ffffea0000c9f018 count:2 mapcount:-1 mapping:ffff88003a536490 index:0x1cb
> > [ 71.362165] page flags: 0x100000000080038(uptodate|dirty|lru|swapbacked)
> > [ 71.362172] page dumped because: bad pte
> > [ 71.362175] addr:00007fb105d3a000 vm_flags:00000070 anon_vma: (null) mapping:ffff880032006970 index:f
> > [ 71.362181] vma->vm_ops->fault: shmem_fault+0x0/0x70
> > [ 71.362185] vma->vm_file->f_op->mmap: shmem_mmap+0x0/0x30
> > [ 71.362193] CPU: 0 PID: 2296 Comm: iscsid Tainted: G B 3.14.0-rc4upstream #1
> > [ 71.362197] 00007fb105d3a000 ffff880030ff3c28 ffffffff816f0e59 0000000000000000
> > [ 71.362206] ffff8800302f8378 ffff880030ff3c78 ffffffff81199a5b 00000000000005a7
> > [ 71.362212] 0720072007200720 ffff880030ff3c58 00007fb105d3a000 ffff8800069539d0
> > [ 71.362221] Call Trace:
> > [ 71.362225] [<ffffffff816f0e59>] dump_stack+0x51/0x6b
> > [ 71.362230] [<ffffffff81199a5b>] print_bad_pte+0x1bb/0x280
> > [ 71.362241] [<ffffffff8119ad68>] unmap_single_vma+0x8c8/0x910
> > [ 71.362247] [<ffffffff81040a69>] ? xen_pte_unlock+0x9/0x10
> > [ 71.362254] [<ffffffff8119adfc>] unmap_vmas+0x4c/0xa0
> > [ 71.362258] [<ffffffff811a2920>] exit_mmap+0x90/0x160
> > [ 71.362263] [<ffffffff816f5f13>] ? _raw_spin_lock_irqsave+0x13/0x60
> > [ 71.362270] [<ffffffff8109d672>] mmput+0x52/0x100
> > [ 71.362276] [<ffffffff810a186c>] do_exit+0x29c/0xb90
> > [ 71.362282] [<ffffffff810a3349>] ? SyS_wait4+0xa9/0xf0
> > [ 71.362287] [<ffffffff810a2271>] do_group_exit+0x51/0x130
> > [ 71.362292] [<ffffffff810a2362>] SyS_exit_group+0x12/0x20
> > [ 71.362297] [<ffffffff816fe7f9>] system_call_fastpath+0x16/0x1b
> > [ 71.364639] BUG: Bad page state in process iscsid pfn:39b25
> > [ 71.364651] page:ffffea0000c9f018 count:0 mapcount:-1 mapping:ffff88003a536490 index:0x1cb
> > [ 71.364656] page flags: 0x100000000080018(uptodate|dirty|swapbacked)
> > [ 71.364663] page dumped because: non-NULL mapping
> > [ 71.364666] Modules linked in: dm_multipath dm_mod xen_evtchn iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi scsi_mod libcrc32c crc32c fbcon tileblit font radeon bitblit softcursor ttm drm_kms_helper xen_blkfront xen_netfront xen_fbfront fb_sys_fops sysimgblt sysfillrect syscopyarea xen_kbdfront xenfs xen_privcmd
> > [ 71.364706] CPU: 0 PID: 2296 Comm: iscsid Tainted: G B 3.14.0-rc4upstream #1
> > [ 71.364711] ffffffff8197f00f ffff880030ff3bb8 ffffffff816f0e59 ffffffff8197f00f
> > [ 71.364718] ffffea0000c9f018 ffff880030ff3be8 ffffffff811751a0 ffff880030ff3c48
> > [ 71.364724] 0000000000000001 ffffea0000c9f018 0000000000000000 ffff880030ff3c48
> > [ 71.364733] Call Trace:
> > [ 71.364739] [<ffffffff816f0e59>] dump_stack+0x51/0x6b
> > [ 71.364748] [<ffffffff811751a0>] bad_page+0xd0/0x120
> > [ 71.364753] [<ffffffff81175335>] free_pages_prepare+0x145/0x160
> > [ 71.364760] [<ffffffff81041642>] ? xen_pte_val+0x32/0x40
> > [ 71.364768] [<ffffffff8117993b>] free_hot_cold_page+0x3b/0x150
> > [ 71.364773] [<ffffffff81179fc7>] free_hot_cold_page_list+0x47/0xb0
> > [ 71.364780] [<ffffffff8117e3ad>] release_pages+0x7d/0x230
> > [ 71.364785] [<ffffffff811b04c4>] free_pages_and_swap_cache+0xb4/0xe0
> > [ 71.364791] [<ffffffff81099507>] ? flush_tlb_mm_range+0x57/0x1b0
> > [ 71.364798] [<ffffffff81199cb7>] tlb_flush_mmu+0x57/0xa0
> > [ 71.364803] [<ffffffff81199d0f>] tlb_finish_mmu+0xf/0x40
> > [ 71.364810] [<ffffffff811a2947>] exit_mmap+0xb7/0x160
> > [ 71.364815] [<ffffffff816f5f12>] ? _raw_spin_lock_irqsave+0x12/0x60
> > [ 71.364820] [<ffffffff8109d672>] mmput+0x52/0x100
> > [ 71.364825] [<ffffffff810a186c>] do_exit+0x29c/0xb90
> > [ 71.364830] [<ffffffff810a3349>] ? SyS_wait4+0xa9/0xf0
> > [ 71.364835] [<ffffffff810a2271>] do_group_exit+0x51/0x130
> > [ 71.364842] [<ffffffff810a2362>] SyS_exit_group+0x12/0x20
> > [ 71.364848] [<ffffffff816fe7f9>] system_call_fastpath+0x16/0x1b
> > [ 71.364854] BUG: Bad page state in process iscsid pfn:39b24
> > [ 71.364858] page:ffffea0000c9efe0 count:0 mapcount:-1 mapping:ffff88003a536490 index:0x1ca
> > [ 71.364863] page flags: 0x100000000080018(uptodate|dirty|swapbacked)
> > [ 71.364871] page dumped because: non-NULL mapping
> > [ 71.364874] Modules linked in: dm_multipath dm_mod xen_evtchn iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi scsi_mod libcrc32c crc32c fbcon tileblit font radeon bitblit softcursor ttm drm_kms_helper xen_blkfront xen_netfront xen_fbfront fb_sys_fops sysimgblt sysfillrect syscopyarea xen_kbdfront xenfs xen_privcmd
> > [ 71.364906] CPU: 0 PID: 2296 Comm: iscsid Tainted: G B 3.14.0-rc4upstream #1
> > [ 71.364913] ffffffff8197f00f ffff880030ff3bb8 ffffffff816f0e59 ffffffff8197f00f
> > [ 71.364919] ffffea0000c9efe0 ffff880030ff3be8 ffffffff811751a0 ffff880030ff3c48
> > [ 71.364925] 0000000000000001 ffffea0000c9efe0 0000000000000000 ffff880030ff3c48
> > [ 71.364933] Call Trace:
> > [ 71.364938] [<ffffffff816f0e59>] dump_stack+0x51/0x6b
> > [ 71.364945] [<ffffffff811751a0>] bad_page+0xd0/0x120
> > [ 71.364950] [<ffffffff81175335>] free_pages_prepare+0x145/0x160
> > [ 71.364955] [<ffffffff81041642>] ? xen_pte_val+0x32/0x40
> > [ 71.364960] [<ffffffff8117993b>] free_hot_cold_page+0x3b/0x150
> > [ 71.364965] [<ffffffff81179fc7>] free_hot_cold_page_list+0x47/0xb0
> > [ 71.364970] [<ffffffff8117e3ad>] release_pages+0x7d/0x230
> > [ 71.364975] [<ffffffff811b04c4>] free_pages_and_swap_cache+0xb4/0xe0
> > [ 71.364982] [<ffffffff81099507>] ? flush_tlb_mm_range+0x57/0x1b0
> > [ 71.364987] [<ffffffff81199cb7>] tlb_flush_mmu+0x57/0xa0
> > [ 71.364994] [<ffffffff81199d0f>] tlb_finish_mmu+0xf/0x40
> > [ 71.364999] [<ffffffff811a2947>] exit_mmap+0xb7/0x160
> > [ 71.365004] [<ffffffff816f5f12>] ? _raw_spin_lock_irqsave+0x12/0x60
> > [ 71.365009] [<ffffffff8109d672>] mmput+0x52/0x100
> > [ 71.365015] [<ffffffff810a186c>] do_exit+0x29c/0xb90
> > [ 71.365020] [<ffffffff810a3349>] ? SyS_wait4+0xa9/0xf0
> > [ 71.365025] [<ffffffff810a2271>] do_group_exit+0x51/0x130
> > [ 71.365030] [<ffffffff810a2362>] SyS_exit_group+0x12/0x20
> > [ 71.365035] [<ffffffff816fe7f9>] system_call_fastpath+0x16/0x1b
> > [ 71.365039] BUG: Bad page state in process iscsid pfn:39b23
> > [ 71.365043] page:ffffea0000c9efa8 count:0 mapcount:-1 mapping:ffff88003a536490 index:0x1c9
> > [ 71.365047] page flags: 0x100000000080018(uptodate|dirty|swapbacked)
> > [ 71.365074] page dumped because: non-NULL mapping
> > [ 71.365077] Modules linked in: dm_multipath dm_mod xen_evtchn iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi scsi_mod libcrc32c crc32c fbcon tileblit font radeon bitblit softcursor ttm drm_kms_helper xen_blkfront xen_netfront xen_fbfront fb_sys_fops sysimgblt sysfillrect syscopyarea xen_kbdfront xenfs xen_privcmd
> > [ 71.365104] CPU: 0 PID: 2296 Comm: iscsid Tainted: G B 3.14.0-rc4upstream #1
> > [ 71.365109] ffffffff8197f00f ffff880030ff3bb8 ffffffff816f0e59 ffffffff8197f00f
> > [ 71.365115] ffffea0000c9efa8 ffff880030ff3be8 ffffffff811751a0 ffff880030ff3c48
> > [ 71.365121] 0000000000000001 ffffea0000c9efa8 0000000000000000 ffff880030ff3c48
> > [ 71.365127] Call Trace:
> > [ 71.365131] [<ffffffff816f0e59>] dump_stack+0x51/0x6b
> > [ 71.365136] [<ffffffff811751a0>] bad_page+0xd0/0x120
> > [ 71.365141] [<ffffffff81175335>] free_pages_prepare+0x145/0x160
> > [ 71.365146] [<ffffffff81041642>] ? xen_pte_val+0x32/0x40
> > [ 71.365151] [<ffffffff8117993b>] free_hot_cold_page+0x3b/0x150
> > [ 71.365155] [<ffffffff81179fc7>] free_hot_cold_page_list+0x47/0xb0
> > [ 71.365160] [<ffffffff8117e3ad>] release_pages+0x7d/0x230
> > [ 71.365165] [<ffffffff811b04c4>] free_pages_and_swap_cache+0xb4/0xe0
> > [ 71.365170] [<ffffffff81099507>] ? flush_tlb_mm_range+0x57/0x1b0
> > [ 71.365175] [<ffffffff81199cb7>] tlb_flush_mmu+0x57/0xa0
> > [ 71.365180] [<ffffffff81199d0f>] tlb_finish_mmu+0xf/0x40
> > [ 71.562344] [<ffffffff811a2947>] exit_mmap+0xb7/0x160
> > [ 71.562349] [<ffffffff816f5f12>] ? _raw_spin_lock_irqsave+0x12/0x60
> > [ 71.562354] [<ffffffff8109d672>] mmput+0x52/0x100
> > [ 71.562359] [<ffffffff810a186c>] do_exit+0x29c/0xb90
> > [ 71.562364] [<ffffffff810a3349>] ? SyS_wait4+0xa9/0xf0
> > [ 71.562369] [<ffffffff810a2271>] do_group_exit+0x51/0x130
> > [ 71.562379] [<ffffffff810a2362>] SyS_exit_group+0x12/0x20
> > [ 71.562387] [<ffffffff816fe7f9>] system_call_fastpath+0x16/0x1b
> > [ 71.562391] BUG: Bad page state in process iscsid pfn:39b22
> > [ 71.562395] page:ffffea0000c9ef70 count:0 mapcount:-1 mapping:ffff88003a536490 index:0x1c8
> > [ 71.562399] page flags: 0x100000000080018(uptodate|dirty|swapbacked)
> > [ 71.562413] page dumped because: non-NULL mapping
> > [ 71.562420] Modules linked in: dm_multipath dm_mod xen_evtchn iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi scsi_mod libcrc32c crc32c fbcon tileblit font radeon bitblit softcursor ttm drm_kms_helper xen_blkfront xen_netfront xen_fbfront fb_sys_fops sysimgblt sysfillrect syscopyarea xen_kbdfront xenfs xen_privcmd
> > [ 71.562456] CPU: 0 PID: 2296 Comm: iscsid Tainted: G B 3.14.0-rc4upstream #1
> > [ 71.562461] ffffffff8197f00f ffff880030ff3bb8 ffffffff816f0e59 ffffffff8197f00f
> > [ 71.562467] ffffea0000c9ef70 ffff880030ff3be8 ffffffff811751a0 ffff880030ff3c48
> > [ 71.562476] 0000000000000001 ffffea0000c9ef70 0000000000000000 ffff880030ff3c48
> > [ 71.562486] Call Trace:
> > [ 71.562490] [<ffffffff816f0e59>] dump_stack+0x51/0x6b
> > [ 71.562495] [<ffffffff811751a0>] bad_page+0xd0/0x120
> > [ 71.562500] [<ffffffff81175335>] free_pages_prepare+0x145/0x160
> > [ 71.562515] [<ffffffff81041642>] ? xen_pte_val+0x32/0x40
> > [ 71.562520] [<ffffffff8117993b>] free_hot_cold_page+0x3b/0x150
> > [ 71.562525] [<ffffffff81179fc7>] free_hot_cold_page_list+0x47/0xb0
> > [ 71.562535] [<ffffffff8117e3ad>] release_pages+0x7d/0x230
> > [ 71.562544] [<ffffffff811b04c4>] free_pages_and_swap_cache+0xb4/0xe0
> > [ 71.562550] [<ffffffff81099507>] ? flush_tlb_mm_range+0x57/0x1b0
> > [ 71.562555] [<ffffffff81199cb7>] tlb_flush_mmu+0x57/0xa0
> > [ 71.562561] [<ffffffff81199d0f>] tlb_finish_mmu+0xf/0x40
> > [ 71.562568] [<ffffffff811a2947>] exit_mmap+0xb7/0x160
> > [ 71.562579] [<ffffffff816f5f12>] ? _raw_spin_lock_irqsave+0x12/0x60
> > [ 71.562584] [<ffffffff8109d672>] mmput+0x52/0x100
> > [ 71.562594] [<ffffffff810a186c>] do_exit+0x29c/0xb90
> > [ 71.562603] [<ffffffff810a3349>] ? SyS_wait4+0xa9/0xf0
> > [ 71.562608] [<ffffffff810a2271>] do_group_exit+0x51/0x130
> > [ 71.562613] [<ffffffff810a2362>] SyS_exit_group+0x12/0x20
> > [ 71.562617] [<ffffffff816fe7f9>] system_call_fastpath+0x16/0x1b
> >
> > Sent SIGKILL to all processes
> >
> > Requesting system poweroff
> > [ 73.375423] reboot: System halted
>
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prev parent reply other threads:[~2014-03-04 20:54 UTC|newest]
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2014-02-28 2:25 Regression introduced by "xen: properly account for _PAGE_NUMA during xen pte translations" (a9c8e4beeeb64c22b84c803747487857fe424b68) Konrad Rzeszutek Wilk
2014-02-28 2:48 ` Steven Noonan
2014-02-28 3:18 ` Elena Ufimtseva
2014-03-04 20:54 ` Konrad Rzeszutek Wilk [this message]
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