linux-kernel - [lkp] [mm, vmscan] 8b5971caa7: BUG: unable to handle kernel paging request at 0000000000015f11

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Date:	Thu, 28 Jan 2016 09:03:42 +0800
From:	kernel test robot <ying.huang@...ux.intel.com>
TO:	Mel Gorman <mgorman@...hsingularity.net>
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: [lkp] [mm, vmscan] 8b5971caa7: BUG: unable to handle kernel paging
 request at 0000000000015f11

FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/mel/linux-balancenuma mm-vmscan-node-lru-v2r26
commit 8b5971caa736f046f66f388c0fa704b12bb0a64d ("mm, vmscan: Move LRU lists to node")


+------------------------------------------------+------------+------------+
|                                                | 32d9c363c6 | 8b5971caa7 |
+------------------------------------------------+------------+------------+
| boot_successes                                 | 2          | 0          |
| boot_failures                                  | 6          | 8          |
| IP-Config:Auto-configuration_of_network_failed | 6          |            |
| BUG:unable_to_handle_kernel                    | 0          | 8          |
| Oops                                           | 0          | 8          |
| RIP:cpu_vm_stats_fold                          | 0          | 8          |
| Kernel_panic-not_syncing:Fatal_exception       | 0          | 8          |
| backtrace:debug_hotplug_cpu                    | 0          | 8          |
| backtrace:kernel_init_freeable                 | 0          | 8          |
+------------------------------------------------+------------+------------+



[   66.072566] tty ptytc: hash matches
[   66.077445] BIOS EDD facility v0.16 2004-Jun-25, 2 devices found
[   66.079753] Unregister pv shared memory for cpu 0
[   66.090173] BUG: unable to handle kernel paging request at 0000000000015f11
[   66.091031] IP: [<ffffffff812c57e9>] cpu_vm_stats_fold+0x159/0x1f0
[   66.091762] PGD 0 
[   66.092022] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC 
[   66.092618] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.5.0-rc1-00005-g8b5971c #1
[   66.093425] task: ffff880074cc8000 ti: ffff880074cbc000 task.ti: ffff880074cbc000
[   66.094266] RIP: 0010:[<ffffffff812c57e9>]  [<ffffffff812c57e9>] cpu_vm_stats_fold+0x159/0x1f0
[   66.095234] RSP: 0000:ffff880074cbfcb0  EFLAGS: 00010246
[   66.095815] RAX: ffff880078c03000 RBX: 0000000000000000 RCX: 0000000000000000
[   66.096593] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff833561a0
[   66.097399] RBP: ffff880074cbfd60 R08: ffff880078c24f88 R09: 0000000000015f10
[   66.098201] R10: fffffffffffd4fc0 R11: 00000000002363b0 R12: ffff880074cbfcd4
[   66.098981] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff82db44d0
[   66.099809] FS:  0000000000000000(0000) GS:ffff880078500000(0000) knlGS:0000000000000000
[   66.100685] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[   66.101316] CR2: 0000000000015f11 CR3: 0000000002c0a000 CR4: 00000000000006a0
[   66.102155] Stack:
[   66.102383]  0000000074cbfce8 0000000000000000 0000000000000000 0000000000000000
[   66.103291]  fffffffc00000000 00000000fffffffc 0000000000000000 0000000000000000
[   66.104165]  0000000c00000000 0000000000000004 0000000000000001 0000000000000000
[   66.105043] Call Trace:
[   66.105319]  [<ffffffff81297441>] page_alloc_cpu_notify+0x61/0x80
[   66.106012]  [<ffffffff81130ae4>] notifier_call_chain+0xf4/0x140
[   66.106671]  [<ffffffff81131596>] __raw_notifier_call_chain+0x16/0x20
[   66.107378]  [<ffffffff810f2d6b>] cpu_notify_nofail+0x2b/0x90
[   66.108042]  [<ffffffff810f383e>] _cpu_down+0x2ee/0x450
[   66.108645]  [<ffffffff810f3f1e>] cpu_down+0x4e/0x80
[   66.109203]  [<ffffffff81012ae5>] _debug_hotplug_cpu+0xd5/0x130
[   66.109856]  [<ffffffff8337b65b>] ? pci_iommu_alloc+0xbb/0xbb
[   66.110493]  [<ffffffff8337b66f>] debug_hotplug_cpu+0x14/0x1f
[   66.111148]  [<ffffffff833729ab>] do_one_initcall+0x16b/0x293
[   66.111810]  [<ffffffff83372caf>] kernel_init_freeable+0x1dc/0x2d0
[   66.112520]  [<ffffffff82188ad0>] ? rest_init+0x200/0x200
[   66.113142]  [<ffffffff82188ae6>] kernel_init+0x16/0x1b0
[   66.113769]  [<ffffffff8219e25f>] ret_from_fork+0x3f/0x70
[   66.114401]  [<ffffffff82188ad0>] ? rest_init+0x200/0x200
[   66.115037] Code: 03 01 e8 db cd ff ff 48 85 c0 74 7c 48 83 05 0e 6c 09 03 01 4c 8d 80 88 1f 02 00 31 d2 4c 8b 88 80 1f 02 00 48 8b 35 df 6b 09 03 <41> 0f be 4c 11 01 48 83 c6 01 48 89 35 ce 6b 09 03 84 c9 74 1d 
[   66.118288] RIP  [<ffffffff812c57e9>] cpu_vm_stats_fold+0x159/0x1f0
[   66.119039]  RSP <ffff880074cbfcb0>
[   66.119456] CR2: 0000000000015f11
[   66.119853] ---[ end trace b6d769b825583457 ]---
[   66.120356] Kernel panic - not syncing: Fatal exception





Thanks,
Ying Huang

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