linux-kernel - Re: [lkp] [x86, ACPI, cpu] f962c29c2f: BUG: unable to handle kernel paging request at 0000000000001b00

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Date:	Wed, 6 Apr 2016 17:21:06 +0200
From:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
To:	kernel test robot <ying.huang@...ux.intel.com>,
	Gu Zheng <guz.fnst@...fujitsu.com>
Cc:	lkp@...org, devel@...ica.org, linux-acpi@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Zhu Guihua <zhugh.fnst@...fujitsu.com>,
	Tang Chen <tangchen@...fujitsu.com>
Subject: Re: [lkp] [x86, ACPI, cpu] f962c29c2f: BUG: unable to handle kernel
 paging request at 0000000000001b00

On 4/6/2016 2:43 AM, kernel test robot wrote:
> FYI, we noticed the below changes on
>
> https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
> commit f962c29c2f5d80be28bd76e2c3fadf1ce97ccd76 ("x86, ACPI, cpu-hotplug: Set persistent cpuid <-> nodeid mapping when booting")
>

Thanks for the report.

I've dropped the patch series that commit is part of from the linux-next 
branch of linux-pm.git because of this problem.


> +------------------------------------------+------------+------------+
> |                                          | 40d4d2e6c5 | f962c29c2f |
> +------------------------------------------+------------+------------+
> | boot_successes                           | 12         | 4          |
> | boot_failures                            | 0          | 8          |
> | BUG:unable_to_handle_kernel              | 0          | 8          |
> | Oops                                     | 0          | 8          |
> | RIP:__alloc_pages_nodemask               | 0          | 8          |
> | Kernel_panic-not_syncing:Fatal_exception | 0          | 8          |
> | backtrace:pcpu_balance_workfn            | 0          | 8          |
> +------------------------------------------+------------+------------+
>
>
>
> [   10.413471] RAPL PMU: hw unit of domain pp0-core 2^-16 Joules
> [   10.419886] RAPL PMU: hw unit of domain package 2^-16 Joules
> [   10.426206] RAPL PMU: hw unit of domain dram 2^-16 Joules
> [   10.433905] BUG: unable to handle kernel paging request at 0000000000001b00
> [   10.441699] IP: [<ffffffff8117e350>] __alloc_pages_nodemask+0x210/0xc10
> [   10.449097] PGD 0
> [   10.451350] Oops: 0000 [#1] SMP
> [   10.454972] Modules linked in:
> [   10.458390] CPU: 12 PID: 407 Comm: kworker/12:1 Not tainted 4.6.0-rc1-00007-gf962c29 #1
> [   10.467326] Hardware name: Intel Corporation S2600WP/S2600WP, BIOS SE5C600.86B.02.02.0002.122320131210 12/23/2013
> [   10.478776] Workqueue: events pcpu_balance_workfn
> [   10.484035] task: ffff88100d858000 ti: ffff88100d860000 task.ti: ffff88100d860000
> [   10.492381] RIP: 0010:[<ffffffff8117e350>]  [<ffffffff8117e350>] __alloc_pages_nodemask+0x210/0xc10
> [   10.502491] RSP: 0000:ffff88100d863c28  EFLAGS: 00010286
> [   10.508419] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000004
> [   10.516383] RDX: 0000000080000000 RSI: 0000000000000d06 RDI: ffffffff81c9d430
> [   10.524348] RBP: ffff88100d863d40 R08: 0000000000000000 R09: 0000000000000000
> [   10.532312] R10: ffffffff81ca1e87 R11: ffffc90000076000 R12: 0000000000000003
> [   10.540278] R13: 0000000000001b00 R14: 0000000000000000 R15: ffff88100d43e480
> [   10.548243] FS:  0000000000000000(0000) GS:ffff881013400000(0000) knlGS:0000000000000000
> [   10.557275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [   10.563687] CR2: 0000000000001b00 CR3: 000000103ee06000 CR4: 00000000001406e0
> [   10.571652] Stack:
> [   10.573894]  ffffc90000090fff ffffc90000091000 ffff881013002008 0000000000000001
> [   10.582196]  8000000000000163 00000000ffffffff 00000000024082c2 0000000000400000
> [   10.590492]  000000000000001e ffff880ffe57c0c0 ffff88100d863c88 ffffffff811b7766
> [   10.598794] Call Trace:
> [   10.601527]  [<ffffffff811b7766>] ? map_vm_area+0x36/0x50
> [   10.607553]  [<ffffffff81198ade>] pcpu_populate_chunk+0xae/0x340
> [   10.614257]  [<ffffffff8119a118>] pcpu_balance_workfn+0x578/0x5b0
> [   10.621060]  [<ffffffff81094be5>] process_one_work+0x155/0x440
> [   10.627562]  [<ffffffff8109582e>] worker_thread+0x4e/0x4c0
> [   10.633687]  [<ffffffff818f1b9b>] ? __schedule+0x34b/0x8b0
> [   10.639809]  [<ffffffff810957e0>] ? rescuer_thread+0x350/0x350
> [   10.646319]  [<ffffffff810957e0>] ? rescuer_thread+0x350/0x350
> [   10.652831]  [<ffffffff8109ade4>] kthread+0xd4/0xf0
> [   10.658276]  [<ffffffff818f6742>] ret_from_fork+0x22/0x40
> [   10.664302]  [<ffffffff8109ad10>] ? kthread_park+0x60/0x60
> [   10.670423] Code: d0 49 8b 04 24 48 85 c0 75 e0 65 ff 0d 22 f0 e8 7e eb 8b 31 d2 be 06 0d 00 00 48 c7 c7 30 d4 c9 81 e8 35 2c f2 ff e8 50 40 77 00 <49> 83 7d 00 00 0f 85 7c fe ff ff 31 c0 e9 6d ff ff ff 0f 1f 44
> [   10.692137] RIP  [<ffffffff8117e350>] __alloc_pages_nodemask+0x210/0xc10
> [   10.699627]  RSP <ffff88100d863c28>
> [   10.703518] CR2: 0000000000001b00
> [   10.707220] ---[ end trace bc83ef9ded88f808 ]---
> [   10.712373] Kernel panic - not syncing: Fatal exception
>
>
> Thanks,
> Kernel Test Robot