linux-kernel - [LKP] [Btrfs] Kernel panic - not syncing: Out of memory and no killable processes...

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Message-ID: <1418715108.5745.203.camel@intel.com>
Date:	Tue, 16 Dec 2014 15:31:48 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Josef Bacik <jbacik@...ionio.com>
Cc:	Chris Mason <chris.mason@...ionio.com>,
	LKML <linux-kernel@...r.kernel.org>, LKP ML <lkp@...org>
Subject: [LKP] [Btrfs] Kernel panic - not syncing: Out of memory and no
 killable processes...

FYI, we noticed the below changes on

commit 294e30fee35d3151d100cfe59e839c2dbc16a374 ("Btrfs: add tests for find_lock_delalloc_range")


+------------------------------------------------------------------+------------+------------+
|                                                                  | 857cc2fc29 | 294e30fee3 |
+------------------------------------------------------------------+------------+------------+
| boot_successes                                                   | 7          | 2          |
| boot_failures                                                    | 3          | 14         |
| WARNING:at_kernel/events/core.c:#perf_swevent_add()              | 3          |            |
| INFO:task_blocked_for_more_than#seconds                          | 0          | 3          |
| EIP_is_at_default_send_IPI_mask_logical                          | 0          | 3          |
| EIP_is_at_native_safe_halt                                       | 0          | 3          |
| Kernel_panic-not_syncing:hung_task:blocked_tasks                 | 0          | 3          |
| backtrace:watchdog                                               | 0          | 3          |
| backtrace:cpu_startup_entry                                      | 0          | 2          |
| BUG:kernel_boot_hang                                             | 0          | 5          |
| Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes | 0          | 6          |
| backtrace:do_fork                                                | 0          | 6          |
| backtrace:kthreadd                                               | 0          | 6          |
+------------------------------------------------------------------+------------+------------+


[    5.739323] BTRFS: selftest: Running extent buffer operation tests
[    5.740246] BTRFS: selftest: Running btrfs_split_item tests
[    5.741437] BTRFS: selftest: Running find delalloc tests
[    6.298059] kworker/0:1 invoked oom-killer: gfp_mask=0x2040d0, order=0, oom_score_adj=0
[    6.299319] kworker/0:1 cpuset=/ mems_allowed=0
[    6.300131] CPU: 0 PID: 22 Comm: kworker/0:1 Not tainted 3.18.0-00843-gc3b7c16 #10
[    6.301272] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014
[    6.302818] Workqueue: events_long serio_handle_event
[    6.303630]  00000000 c6ce7b84 c1e3cc95 00000000 c6ce7bd0 c1e38339 c21d25d0 c6ce5124
[    6.305006]  002040d0 00000000 00000000 a4af4562 32c13489 00000007 c6ce53a8 c6ce4e50
[    6.306354]  00000118 c6ce7bd4 00000000 c11a9a6a 00000000 00000000 002040d0 c6ce7c0c
[    6.307714] Call Trace:
[    6.308131]  [<c1e3cc95>] dump_stack+0xb8/0x108
[    6.308820]  [<c1e38339>] dump_header+0xb9/0x3a6
[    6.309617]  [<c11a9a6a>] ? out_of_memory+0x35a/0x5e0
[    6.310385]  [<c11a9ccb>] out_of_memory+0x5bb/0x5e0
[    6.311126]  [<c11b2163>] __alloc_pages_nodemask+0x11f3/0x1320
[    6.312027]  [<c120c92e>] ____cache_alloc+0x21e/0xe90
[    6.312792]  [<c120c582>] kmem_cache_alloc+0x102/0x290
[    6.313574]  [<c12c6f36>] __kernfs_new_node+0x86/0x160
[    6.314355]  [<c12c8bf8>] kernfs_new_node+0x38/0x90
[    6.328119]  [<c12c9262>] kernfs_create_dir_ns+0x22/0xb0
[    6.328921]  [<c12ce1cc>] internal_create_group+0xac/0x510
[    6.329758]  [<c12ce6cf>] sysfs_create_groups+0x6f/0xe0
[    6.330554]  [<c1a4970d>] device_add+0x3ad/0xbd0
[    6.331270]  [<c120d854>] ? __kmalloc+0x2b4/0x2d0
[    6.332026]  [<c1baf06b>] input_register_device+0x41b/0x960
[    6.332871]  [<c1bcba58>] psmouse_connect+0x408/0x600
[    6.333642]  [<c1ba315c>] serio_connect_driver+0x3c/0x70
[    6.334451]  [<c1ba31b4>] serio_driver_probe+0x24/0x40
[    6.335233]  [<c1a4ecdd>] driver_probe_device+0xbd/0x430
[    6.336054]  [<c1a4f167>] __driver_attach+0x117/0x130
[    6.336817]  [<c1a4f050>] ? driver_probe_device+0x430/0x430
[    6.337662]  [<c1a4b6d9>] bus_for_each_dev+0xc9/0x130
[    6.338431]  [<c1a4e6b2>] driver_attach+0x22/0x40
[    6.339148]  [<c1a4f050>] ? driver_probe_device+0x430/0x430
[    6.339985]  [<c1ba44d7>] serio_handle_event+0x2d7/0x400
[    6.340805]  [<c10a89e8>] ? process_one_work+0x258/0x7e0
[    6.354633]  [<c10a8a6e>] process_one_work+0x2de/0x7e0
[    6.355430]  [<c10a89e8>] ? process_one_work+0x258/0x7e0
[    6.356271]  [<c10a9607>] worker_thread+0x257/0xa30
[    6.357018]  [<c10a93b0>] ? rescuer_thread+0x440/0x440
[    6.357795]  [<c10b1d8b>] kthread+0x12b/0x170
[    6.358466]  [<c1e4eeb4>] ? apic_timer_interrupt+0x34/0x40
[    6.359300]  [<c1e4e5c1>] ret_from_kernel_thread+0x21/0x30
[    6.360144]  [<c10b1c60>] ? kthread_stop+0x130/0x130
[    6.360893] Mem-Info:
[    6.361256] DMA per-cpu:
[    6.361649] CPU    0: hi:    0, btch:   1 usd:   0



Thanks,
Huang, Ying


View attachment "config-3.12.0-00033-g294e30f" of type "text/plain" (81061 bytes)

View attachment ".dmesg" of type "text/plain" (53468 bytes)

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