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From: Andrew Lutomirski <luto@mit.edu>
To: Andi Kleen <andi@firstfloor.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Kernel falls apart under light memory pressure (i.e. linking vmlinux)
Date: Thu, 12 May 2011 07:54:26 -0400	[thread overview]
Message-ID: <BANLkTi=fk3DUT9cYd2gAzC98c69F6HXX7g@mail.gmail.com> (raw)
In-Reply-To: <20110512054631.GI6008@one.firstfloor.org>

[-- Attachment #1: Type: text/plain, Size: 1175 bytes --]

On Thu, May 12, 2011 at 1:46 AM, Andi Kleen <andi@firstfloor.org> wrote:
>> Here's a nice picture of alt-sysrq-m with lots of memory free but the
>> system mostly hung.  I can still switch VTs.
>
> Would rather need backtraces. Try setting up netconsole or crashdump
> first.

Here are some logs for two different failure mores.

incorrect_oom_kill.txt is an OOM kill when there was lots of available
swap to use.  AFAICT the kernel should not have OOM killed at all.

stuck_xyz is when the system is wedged with plenty (~300MB) free
memory but no swap.  The sysrq files are self-explanatory.
stuck-sysrq-f.txt is after the others so that it won't have corrupted
the output.  After taking all that data, I waited awhile and started
getting soft lockup messges.

I'm having trouble reproducing the "stuck" failure mode on my
lockdep-enabled kernel right now (the OOM kill is easy), so no lock
state trace.  But I got one yesterday and IIRC it showed a few tty
locks and either kworker or kcryptd holding (kqueue) and
((&io->work)).

I compressed the larger files.

--Andy

>
> -Andi
>
> --
> ak@linux.intel.com -- Speaking for myself only.
>

[-- Attachment #2: stuck-sysrq-m.txt --]
[-- Type: text/plain, Size: 3349 bytes --]

[  302.500408] SysRq : Show Memory
[  302.500967] Mem-Info:
[  302.501502] Node 0 DMA per-cpu:
[  302.502050] CPU    0: hi:    0, btch:   1 usd:   0
[  302.502597] CPU    1: hi:    0, btch:   1 usd:   0
[  302.503140] CPU    2: hi:    0, btch:   1 usd:   0
[  302.503674] CPU    3: hi:    0, btch:   1 usd:   0
[  302.504201] Node 0 DMA32 per-cpu:
[  302.504742] CPU    0: hi:  186, btch:  31 usd: 103
[  302.505290] CPU    1: hi:  186, btch:  31 usd:  49
[  302.505841] CPU    2: hi:  186, btch:  31 usd: 179
[  302.506393] CPU    3: hi:  186, btch:  31 usd: 191
[  302.506945] Node 0 Normal per-cpu:
[  302.507500] CPU    0: hi:    0, btch:   1 usd:   0
[  302.508069] CPU    1: hi:    0, btch:   1 usd:   0
[  302.508623] CPU    2: hi:    0, btch:   1 usd:   0
[  302.509179] CPU    3: hi:    0, btch:   1 usd:   0
[  302.509728] active_anon:21828 inactive_anon:7989 isolated_anon:0
[  302.509729]  active_file:5958 inactive_file:554 isolated_file:0
[  302.509730]  unevictable:330922 dirty:2 writeback:1 unstable:0
[  302.509731]  free:85704 slab_reclaimable:3513 slab_unreclaimable:8839
[  302.509731]  mapped:4156 shmem:8110 pagetables:2962 bounce:0
[  302.512624] Node 0 DMA free:8116kB min:548kB low:684kB high:820kB active_anon:0kB inactive_anon:0kB active_file:7512kB inactive_file:0kB unevictable:256kB isolated(anon):0kB isolated(file):0kB present:15676kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:16kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:64 all_unreclaimable? no
[  302.514706] lowmem_reserve[]: 0 1853 1859 1859
[  302.515446] Node 0 DMA32 free:334684kB min:66816kB low:83520kB high:100224kB active_anon:87312kB inactive_anon:31956kB active_file:16320kB inactive_file:2216kB unevictable:1323432kB isolated(anon):0kB isolated(file):0kB present:1898336kB mlocked:0kB dirty:8kB writeback:4kB mapped:16620kB shmem:32440kB slab_reclaimable:13948kB slab_unreclaimable:33660kB kernel_stack:1672kB pagetables:11848kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
[  302.517960] lowmem_reserve[]: 0 0 5 5
[  302.518848] Node 0 Normal free:16kB min:212kB low:264kB high:316kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:6060kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:0kB slab_reclaimable:88kB slab_unreclaimable:1696kB kernel_stack:264kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
[  302.521819] lowmem_reserve[]: 0 0 0 0
[  302.522858] Node 0 DMA: 1*4kB 0*8kB 1*16kB 1*32kB 2*64kB 2*128kB 2*256kB 2*512kB 2*1024kB 2*2048kB 0*4096kB = 8116kB
[  302.523968] Node 0 DMA32: 6673*4kB 3706*8kB 2320*16kB 1414*32kB 768*64kB 269*128kB 85*256kB 37*512kB 10*1024kB 6*2048kB 12*4096kB = 334676kB
[  302.525120] Node 0 Normal: 4*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 16kB
[  302.526273] 345568 total pagecache pages
[  302.527369] 0 pages in swap cache
[  302.528431] Swap cache stats: add 0, delete 0, find 0/0
[  302.529516] Free swap  = 0kB
[  302.530608] Total swap = 0kB
[  302.538578] 525808 pages RAM
[  302.539703] 41300 pages reserved
[  302.540829] 30451 pages shared
[  302.541964] 384267 pages non-shared

[-- Attachment #3: incorrect_oom_kill.txt.xz --]
[-- Type: application/x-xz, Size: 25112 bytes --]

[-- Attachment #4: stuck-sysrq-t.txt.xz --]
[-- Type: application/x-xz, Size: 31008 bytes --]

[-- Attachment #5: stuck-sysrq-w.txt --]
[-- Type: text/plain, Size: 28818 bytes --]

[  343.295265] SysRq : Show Blocked State
[  343.295972]   task                        PC stack   pid father
[  343.296680] jbd2/dm-2-8     D ffff8800754a5bc0     0   372      2 0x00000000
[  343.297390]  ffff8800751f3b70 0000000000000046 ffff88006ca644d0 ffffffff810088f4
[  343.298096]  ffff8800754a5bc0 ffff8800751f3fd8 ffff8800751f3fd8 0000000000011a40
[  343.298797]  0000000000011a40 ffff8800754a5bc0 ffff880078391a40 ffff88007858ce08
[  343.299505] Call Trace:
[  343.300202]  [<ffffffff810088f4>] ? read_tsc+0x9/0x19
[  343.300915]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.301629]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.302339]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  343.303049]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  343.303756]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  343.304468]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  343.305179]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  343.305887]  [<ffffffff810b1b1f>] filemap_fdatawait_range+0x84/0x163
[  343.306610]  [<ffffffff811e4709>] ? submit_bio+0xde/0xfd
[  343.307344]  [<ffffffff8111e1ca>] ? bio_alloc_bioset+0x4c/0xc3
[  343.308089]  [<ffffffff810b1c22>] filemap_fdatawait+0x24/0x26
[  343.308843]  [<ffffffff8119df33>] jbd2_journal_commit_transaction+0x9eb/0x13c0
[  343.309610]  [<ffffffff81058dbc>] ? autoremove_wake_function+0x0/0x37
[  343.310385]  [<ffffffff811a274a>] kjournald2+0x13d/0x36a
[  343.311166]  [<ffffffff81058dbc>] ? autoremove_wake_function+0x0/0x37
[  343.311959]  [<ffffffff811a260d>] ? kjournald2+0x0/0x36a
[  343.312750]  [<ffffffff810586f0>] kthread+0x84/0x8c
[  343.313542]  [<ffffffff81003814>] kernel_thread_helper+0x4/0x10
[  343.314350]  [<ffffffff814485ad>] ? restore_args+0x0/0x30
[  343.315159]  [<ffffffff8105866c>] ? kthread+0x0/0x8c
[  343.315972]  [<ffffffff81003810>] ? kernel_thread_helper+0x0/0x10
[  343.316796] NetworkManager  D ffffffff810b1879     0   794      1 0x00000000
[  343.317633]  ffff88006cf61b48 0000000000000082 ffff88006dfa0000 ffffffff810088f4
[  343.318489]  ffff88006f3344d0 ffff88006cf61fd8 ffff88006cf61fd8 0000000000011a40
[  343.319356]  0000000000011a40 ffff88006f3344d0 ffff880078291a40 ffff88007858c3e8
[  343.320231] Call Trace:
[  343.321090]  [<ffffffff810088f4>] ? read_tsc+0x9/0x19
[  343.321969]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.322844]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.323717]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  343.324601]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  343.325484]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  343.326377]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  343.327277]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  343.328180]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  343.329092]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  343.330010]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  343.330919]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  343.331808]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  343.332680]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  343.333546]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  343.334413]  [<ffffffff810430dd>] ? timespec_add_safe+0x37/0x66
[  343.335268]  [<ffffffff810088f4>] ? read_tsc+0x9/0x19
[  343.336113]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  343.336962]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  343.337801]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  343.338632] ntpd            D ffff88007828d980     0   796      1 0x00000000
[  343.339466]  ffff88006f391b48 0000000000000086 ffff8801005c96f0 ffffffffffffffff
[  343.340332]  ffff88006f335bc0 ffff88006f391fd8 ffff88006f391fd8 0000000000011a40
[  343.341211]  0000000000011a40 ffff88006f335bc0 ffff880078291a40 0000000178583148
[  343.342099] Call Trace:
[  343.342966]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.343850]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.344719]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  343.345586]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  343.346451]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  343.347309]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  343.348176]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  343.349043]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  343.349905]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  343.350766]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  343.351622]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  343.352472]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  343.353328]  [<ffffffff811058eb>] ? set_fd_set+0x3c/0x46
[  343.354178]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  343.355023]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  343.355868]  [<ffffffff8105fbeb>] ? timekeeping_get_ns+0x18/0x3a
[  343.356715]  [<ffffffff8102ab0d>] ? should_resched+0xe/0x2d
[  343.357562]  [<ffffffff8144677c>] ? _cond_resched+0xe/0x22
[  343.358403]  [<ffffffff8110587c>] ? might_fault+0x21/0x23
[  343.359230]  [<ffffffff811059d1>] ? poll_select_copy_remaining+0xdc/0x100
[  343.360062]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  343.360891]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  343.361705]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  343.362510] crond           D ffffffff810b1879     0   827      1 0x00000000
[  343.363341]  ffff88006dd2fb48 0000000000000086 ffff88006d402de0 ffffffff810088f4
[  343.364198]  ffff88006d4016f0 ffff88006dd2ffd8 ffff88006dd2ffd8 0000000000011a40
[  343.365061]  0000000000011a40 ffff88006d4016f0 ffff880078291a40 ffff880078583c88
[  343.365932] Call Trace:
[  343.366785]  [<ffffffff810088f4>] ? read_tsc+0x9/0x19
[  343.367646]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.368509]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.369358]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  343.370210]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  343.371051]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  343.371897]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  343.372740]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  343.373591]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  343.374436]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  343.375286]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  343.376131]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  343.376975]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  343.377824]  [<ffffffff811058eb>] ? set_fd_set+0x3c/0x46
[  343.378671]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  343.379512]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  343.380340]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  343.381167]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  343.381999]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  343.382809] rs:main Q:Reg   D ffff88007828d980     0   942      1 0x00000000
[  343.383639]  ffff88006d51bb48 0000000000000086 ffff8801005c96f0 ffffffffffffffff
[  343.384491]  ffff88006d400000 ffff88006d51bfd8 ffff88006d51bfd8 0000000000011a40
[  343.385358]  0000000000011a40 ffff88006d400000 ffff880078291a40 00000001785929e8
[  343.386223] Call Trace:
[  343.387068]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.387928]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.388771]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  343.389611]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  343.390451]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  343.391290]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  343.392131]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  343.392972]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  343.393809]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  343.394652]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  343.395496]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  343.396334]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  343.397179]  [<ffffffff81166466>] ? ext4_file_write+0x1dc/0x232
[  343.398023]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  343.398869]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  343.399705]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  343.400549]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  343.401398]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  343.402240] auditd          D ffff88007838d980     0   982      1 0x00000000
[  343.403098]  ffff88006de2fb48 0000000000000082 ffff8801004c96f0 ffffffffffffffff
[  343.403959]  ffff88006cceade0 ffff88006de2ffd8 ffff88006de2ffd8 0000000000011a40
[  343.404820]  0000000000011a40 ffff88006cceade0 ffff880078391a40 000000017858bc08
[  343.405676] Call Trace:
[  343.406505]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.407344]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.408178]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  343.409022]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  343.409865]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  343.410710]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  343.411558]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  343.412404]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  343.413250]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  343.414097]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  343.414944]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  343.415784]  [<ffffffff8102c72b>] ? set_next_entity+0x46/0x98
[  343.416629]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  343.417474]  [<ffffffff8109e4d6>] ? trace_hardirqs_on+0x9/0x20
[  343.418318]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  343.419162]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  343.420009]  [<ffffffff81127b07>] ? sys_epoll_wait+0x2e4/0x302
[  343.420851]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  343.421865]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  343.422710]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  343.423550] console-kit-dae D ffff88007828d980     0  1228      1 0x00000080
[  343.424398]  ffff88007414bb48 0000000000000086 ffff8801005c96f0 ffffffffffffffff
[  343.425259]  ffff88006d9c44d0 ffff88007414bfd8 ffff88007414bfd8 0000000000011a40
[  343.426124]  0000000000011a40 ffff88006d9c44d0 ffff880078291a40 0000000178598d48
[  343.426982] Call Trace:
[  343.427814]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.428670]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.429520]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  343.430368]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  343.431218]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  343.432066]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  343.432919]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  343.433773]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  343.434626]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  343.435478]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  343.436326]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  343.437174]  [<ffffffff810cbbd9>] ? do_wp_page+0x258/0x554
[  343.438024]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  343.438870]  [<ffffffff811c17ca>] ? kzalloc+0x14/0x16
[  343.439717]  [<ffffffff811c17ca>] ? kzalloc+0x14/0x16
[  343.440548]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  343.441385]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  343.442220]  [<ffffffff81127d6f>] ? anon_inode_getfile+0x117/0x189
[  343.443052]  [<ffffffff81447f56>] ? _raw_spin_lock+0xe/0x10
[  343.443870]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  343.444691]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  343.445508]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  343.446317] packagekitd     D ffff88007828d980     0  1882      1 0x00000080
[  343.447133]  ffff8800567c3b48 0000000000000082 ffff8801005c96f0 ffffffffffffffff
[  343.447978]  ffff88006d5c44d0 ffff8800567c3fd8 ffff8800567c3fd8 0000000000011a40
[  343.448831]  0000000000011a40 ffff88006d5c44d0 ffff880078291a40 0000000178592c28
[  343.449690] Call Trace:
[  343.450535]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.451387]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.452231]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  343.453073]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  343.453912]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  343.454746]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  343.455586]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  343.456429]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  343.457263]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  343.458102]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  343.458945]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  343.459782]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  343.460621]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  343.461455]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  343.462292]  [<ffffffff810430dd>] ? timespec_add_safe+0x37/0x66
[  343.463126]  [<ffffffff810088f4>] ? read_tsc+0x9/0x19
[  343.463953]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  343.464777]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  343.465587]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  343.466398] gdm-simple-gree D ffff8800521d96f0     0  2282   2254 0x00000080
[  343.467211]  ffff880051a7db48 0000000000000086 ffff8800754edbc0 ffffffff810088f4
[  343.468047]  ffff8800521d96f0 ffff880051a7dfd8 ffff880051a7dfd8 0000000000011a40
[  343.468897]  0000000000011a40 ffff8800521d96f0 ffff880078211a40 ffff880078594e48
[  343.469747] Call Trace:
[  343.470580]  [<ffffffff810088f4>] ? read_tsc+0x9/0x19
[  343.471424]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.472270]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  343.473108]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  343.473947]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  343.474780]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  343.475608]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  343.476439]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  343.477272]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  343.478109]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  343.478949]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  343.479795]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  343.480640]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  343.481488]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  343.482330]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  343.483174]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  343.484020]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  343.484870]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  343.485709] umount          D ffff88007830d860     0  2364   2322 0x00000080
[  343.486565]  ffff8800655f3d58 0000000000000082 ffff88006f83dbc0 0000000000000001
[  343.487423]  ffff880064f416f0 ffff8800655f3fd8 ffff8800655f3fd8 0000000000011a40
[  343.488280]  0000000000011a40 ffff880064f416f0 ffff8800655f3de8 00000001810bba0e
[  343.489127] Call Trace:
[  343.489947]  [<ffffffff81446a7f>] schedule_timeout+0x34/0xde
[  343.490785]  [<ffffffff8108ce96>] ? rcu_barrier_func+0x0/0x38
[  343.491633]  [<ffffffff8109e496>] ? trace_hardirqs_off+0x9/0x20
[  343.492481]  [<ffffffff81446846>] wait_for_common+0xb6/0x12d
[  343.493329]  [<ffffffff8108ce96>] ? rcu_barrier_func+0x0/0x38
[  343.494185]  [<ffffffff81037363>] ? default_wake_function+0x0/0x14
[  343.495039]  [<ffffffff8108d86b>] ? call_rcu_sched+0x0/0x17
[  343.495894]  [<ffffffff81446971>] wait_for_completion+0x1d/0x1f
[  343.496750]  [<ffffffff8108dbba>] _rcu_barrier+0x94/0xa4
[  343.497603]  [<ffffffff8108dbe6>] rcu_barrier_sched+0x1c/0x1e
[  343.498455]  [<ffffffff8108dbf6>] rcu_barrier+0xe/0x10
[  343.499300]  [<ffffffff810f90e4>] deactivate_locked_super+0x2b/0x4b
[  343.500156]  [<ffffffff810f9c5c>] deactivate_super+0x37/0x3b
[  343.501010]  [<ffffffff8110e60f>] mntput_no_expire+0xcc/0xd1
[  343.501863]  [<ffffffff8110f08c>] sys_umount+0x2b7/0x2e5
[  343.502712]  [<ffffffff8109e3a0>] ? trace_hardirqs_on_caller+0xf/0x23
[  343.503570]  [<ffffffff81002a3b>] system_call_fastpath+0x16/0x1b
[  343.504425] Sched Debug Version: v0.10, 2.6.38.6-luto+ #1
[  343.505281] ktime                                   : 343780.077864
[  343.506147] sched_clk                               : 343504.424586
[  343.507005] cpu_clk                                 : 343504.424621
[  343.507851] jiffies                                 : 4295010866
[  343.508680] sched_clock_stable                      : 1
[  343.509504] 
[  343.510304] sysctl_sched
[  343.511100]   .sysctl_sched_latency                    : 18.000000
[  343.511908]   .sysctl_sched_min_granularity            : 2.250000
[  343.512722]   .sysctl_sched_wakeup_granularity         : 3.000000
[  343.513534]   .sysctl_sched_child_runs_first           : 0
[  343.514352]   .sysctl_sched_features                   : 7279
[  343.515162]   .sysctl_sched_tunable_scaling            : 1 (logaritmic)
[  343.515983] 
[  343.515983] cpu#0, 2691.244 MHz
[  343.517583]   .nr_running                    : 0
[  343.518383]   .load                          : 0
[  343.519180]   .nr_switches                   : 680560
[  343.519975]   .nr_load_updates               : 123585
[  343.520762]   .nr_uninterruptible            : 1
[  343.521544]   .next_balance                  : 4295.010867
[  343.522326]   .curr->pid                     : 0
[  343.523102]   .clock                         : 343294.616974
[  343.523881]   .cpu_load[0]                   : 0
[  343.524656]   .cpu_load[1]                   : 0
[  343.525412]   .cpu_load[2]                   : 0
[  343.526145]   .cpu_load[3]                   : 0
[  343.526870]   .cpu_load[4]                   : 0
[  343.527583]   .yld_count                     : 5876
[  343.528280]   .sched_switch                  : 0
[  343.528970]   .sched_count                   : 689739
[  343.529658]   .sched_goidle                  : 140522
[  343.530336]   .avg_idle                      : 1000000
[  343.531015]   .ttwu_count                    : 344064
[  343.531686]   .ttwu_local                    : 165965
[  343.532350]   .bkl_count                     : 0
[  343.533001] 
[  343.533001] cfs_rq[0]:/autogroup-0
[  343.534278]   .exec_clock                    : 31906.911768
[  343.534929]   .MIN_vruntime                  : 0.000001
[  343.535575]   .min_vruntime                  : 31190.284361
[  343.536219]   .max_vruntime                  : 0.000001
[  343.536857]   .spread                        : 0.000000
[  343.537490]   .spread0                       : 0.000000
[  343.538111]   .nr_spread_over                : 49
[  343.538726]   .nr_running                    : 0
[  343.539333]   .load                          : 0
[  343.539925]   .load_avg                      : 0.000000
[  343.540507]   .load_period                   : 0.000000
[  343.541087]   .load_contrib                  : 0
[  343.541663]   .load_tg                       : 0
[  343.542237] 
[  343.542237] runnable tasks:
[  343.542237]             task   PID         tree-key  switches  prio     exec-runtime         sum-exec        sum-sleep
[  343.542238] ----------------------------------------------------------------------------------------------------------
[  343.544572] 
[  343.544573] cpu#1, 2691.244 MHz
[  343.545796]   .nr_running                    : 0
[  343.546414]   .load                          : 0
[  343.547028]   .nr_switches                   : 754129
[  343.547640]   .nr_load_updates               : 125065
[  343.548242]   .nr_uninterruptible            : 6
[  343.548853]   .next_balance                  : 4295.010867
[  343.549464]   .curr->pid                     : 0
[  343.550075]   .clock                         : 343549.291505
[  343.550694]   .cpu_load[0]                   : 0
[  343.551305]   .cpu_load[1]                   : 0
[  343.551913]   .cpu_load[2]                   : 0
[  343.552514]   .cpu_load[3]                   : 0
[  343.553111]   .cpu_load[4]                   : 0
[  343.553700]   .yld_count                     : 29555
[  343.554289]   .sched_switch                  : 0
[  343.554877]   .sched_count                   : 785479
[  343.555469]   .sched_goidle                  : 102675
[  343.556066]   .avg_idle                      : 1000000
[  343.556670]   .ttwu_count                    : 379567
[  343.557275]   .ttwu_local                    : 262152
[  343.557878]   .bkl_count                     : 0
[  343.558485] 
[  343.558485] cfs_rq[1]:/autogroup-0
[  343.559681]   .exec_clock                    : 27988.720915
[  343.560492]   .MIN_vruntime                  : 0.000001
[  343.561108]   .min_vruntime                  : 30180.328331
[  343.561727]   .max_vruntime                  : 0.000001
[  343.562343]   .spread                        : 0.000000
[  343.562962]   .spread0                       : -1009.956030
[  343.563575]   .nr_spread_over                : 99
[  343.564183]   .nr_running                    : 0
[  343.564792]   .load                          : 0
[  343.565395]   .load_avg                      : 0.000000
[  343.565998]   .load_period                   : 0.000000
[  343.566607]   .load_contrib                  : 0
[  343.567210]   .load_tg                       : 0
[  343.567815] 
[  343.567815] runnable tasks:
[  343.567816]             task   PID         tree-key  switches  prio     exec-runtime         sum-exec        sum-sleep
[  343.567817] ----------------------------------------------------------------------------------------------------------
[  343.570335] 
[  343.570336] cpu#2, 2691.244 MHz
[  343.571669]   .nr_running                    : 4
[  343.572357]   .load                          : 2048
[  343.573029]   .nr_switches                   : 645587
[  343.573678]   .nr_load_updates               : 114758
[  343.574298]   .nr_uninterruptible            : 1
[  343.574917]   .next_balance                  : 4295.010989
[  343.575539]   .curr->pid                     : 35
[  343.576162]   .clock                         : 287653.957942
[  343.576793]   .cpu_load[0]                   : 2048
[  343.577420]   .cpu_load[1]                   : 2048
[  343.578042]   .cpu_load[2]                   : 2048
[  343.578659]   .cpu_load[3]                   : 2048
[  343.579267]   .cpu_load[4]                   : 2048
[  343.579866]   .yld_count                     : 87800
[  343.580465]   .sched_switch                  : 0
[  343.581068]   .sched_count                   : 734865
[  343.581677]   .sched_goidle                  : 177805
[  343.582288]   .avg_idle                      : 1000000
[  343.582906]   .ttwu_count                    : 327160
[  343.583526]   .ttwu_local                    : 119891
[  343.584141]   .bkl_count                     : 0
[  343.584759] 
[  343.584759] cfs_rq[2]:/autogroup-101
[  343.585973]   .exec_clock                    : 1403.158882
[  343.586597]   .MIN_vruntime                  : 0.000001
[  343.587223]   .min_vruntime                  : 1422.111430
[  343.587849]   .max_vruntime                  : 0.000001
[  343.588470]   .spread                        : 0.000000
[  343.589097]   .spread0                       : -29768.172931
[  343.589718]   .nr_spread_over                : 12
[  343.590339]   .nr_running                    : 0
[  343.590954]   .load                          : 0
[  343.591569]   .load_avg                      : 59.337728
[  343.592185]   .load_period                   : 3.260946
[  343.592803]   .load_contrib                  : 18
[  343.593417]   .load_tg                       : 18
[  343.594024]   .se->exec_start                : 287650.761121
[  343.594645]   .se->vruntime                  : 19050.162029
[  343.595267]   .se->sum_exec_runtime          : 1403.158882
[  343.595897]   .se->statistics.wait_start     : 0.000000
[  343.596527]   .se->statistics.sleep_start    : 0.000000
[  343.597156]   .se->statistics.block_start    : 0.000000
[  343.597783]   .se->statistics.sleep_max      : 0.000000
[  343.598408]   .se->statistics.block_max      : 0.000000
[  343.599018]   .se->statistics.exec_max       : 1.004017
[  343.599602]   .se->statistics.slice_max      : 7.980791
[  343.600157]   .se->statistics.wait_max       : 20.231126
[  343.600719]   .se->statistics.wait_sum       : 518.802429
[  343.601276]   .se->statistics.wait_count     : 23055
[  343.601831]   .se->load.weight               : 2
[  343.602392] 
[  343.602392] cfs_rq[2]:/autogroup-0
[  343.603489]   .exec_clock                    : 17597.540310
[  343.604049]   .MIN_vruntime                  : 19056.995325
[  343.604617]   .min_vruntime                  : 19057.193589
[  343.605170]   .max_vruntime                  : 19056.995325
[  343.605730]   .spread                        : 0.000000
[  343.606292]   .spread0                       : -12133.090772
[  343.606858]   .nr_spread_over                : 70
[  343.607428]   .nr_running                    : 2
[  343.608000]   .load                          : 2048
[  343.608571]   .load_avg                      : 0.000000
[  343.609148]   .load_period                   : 0.000000
[  343.609720]   .load_contrib                  : 0
[  343.610288]   .load_tg                       : 0
[  343.610848] 
[  343.610848] rt_rq[2]:/autogroup-0
[  343.611946]   .rt_nr_running                 : 1
[  343.612510]   .rt_throttled                  : 0
[  343.613076]   .rt_time                       : 0.000000
[  343.613644]   .rt_runtime                    : 950.000000
[  343.614204] 
[  343.614205] runnable tasks:
[  343.614205]             task   PID         tree-key  switches  prio     exec-runtime         sum-exec        sum-sleep
[  343.614206] ----------------------------------------------------------------------------------------------------------
[  343.616506]      migration/2    13       233.919157       204     0       233.919157         0.000748         0.000000 /autogroup-0
[  343.617172]       watchdog/2    16         0.000000        25     0         0.000000         0.405837         0.002261 /autogroup-0
[  343.617847] R        kswapd0    35     19060.192146     13301   120     19060.192146     10653.322143    240965.615309 /autogroup-0
[  343.618539]      kworker/2:2   452     19056.995325     64837   120     19056.995325      1980.111250    275438.926005 /autogroup-0
[  343.619251] 
[  343.619252] cpu#3, 2691.244 MHz
[  343.620622]   .nr_running                    : 0
[  343.621322]   .load                          : 0
[  343.622012]   .nr_switches                   : 611779
[  343.622706]   .nr_load_updates               : 114438
[  343.623396]   .nr_uninterruptible            : 2
[  343.624081]   .next_balance                  : 4295.010868
[  343.624775]   .curr->pid                     : 0
[  343.625470]   .clock                         : 343625.193174
[  343.626172]   .cpu_load[0]                   : 0
[  343.626874]   .cpu_load[1]                   : 0
[  343.627577]   .cpu_load[2]                   : 0
[  343.628274]   .cpu_load[3]                   : 0
[  343.628970]   .cpu_load[4]                   : 0
[  343.629660]   .yld_count                     : 68568
[  343.630358]   .sched_switch                  : 0
[  343.631050]   .sched_count                   : 681648
[  343.631741]   .sched_goidle                  : 133540
[  343.632424]   .avg_idle                      : 1000000
[  343.633113]   .ttwu_count                    : 309555
[  343.633799]   .ttwu_local                    : 164424
[  343.634479]   .bkl_count                     : 0
[  343.635156] 
[  343.635156] cfs_rq[3]:/autogroup-0
[  343.636491]   .exec_clock                    : 17594.691867
[  343.637176]   .MIN_vruntime                  : 0.000001
[  343.637865]   .min_vruntime                  : 24200.609785
[  343.638545]   .max_vruntime                  : 0.000001
[  343.639233]   .spread                        : 0.000000
[  343.639921]   .spread0                       : -6989.674576
[  343.640609]   .nr_spread_over                : 144
[  343.641301]   .nr_running                    : 0
[  343.641997]   .load                          : 0
[  343.642693]   .load_avg                      : 0.000000
[  343.643388]   .load_period                   : 0.000000
[  343.644077]   .load_contrib                  : 0
[  343.644771]   .load_tg                       : 0
[  343.645458] 
[  343.645459] runnable tasks:
[  343.645459]             task   PID         tree-key  switches  prio     exec-runtime         sum-exec        sum-sleep
[  343.645460] ----------------------------------------------------------------------------------------------------------
[  343.648279] 

[-- Attachment #6: stuck-sysrq-f.txt --]
[-- Type: text/plain, Size: 9768 bytes --]

[  352.913556] SysRq : Manual OOM execution
[  352.918668] kworker/0:2 invoked oom-killer: gfp_mask=0xd0, order=0, oom_adj=0, oom_score_adj=0
[  352.919347] kworker/0:2 cpuset=/ mems_allowed=0
[  352.920006] Pid: 348, comm: kworker/0:2 Not tainted 2.6.38.6-luto+ #1
[  352.920683] Call Trace:
[  352.921365]  [<ffffffff8107f9c5>] ? cpuset_print_task_mems_allowed+0x91/0x9c
[  352.922062]  [<ffffffff810b3ef1>] ? dump_header+0x7f/0x1ba
[  352.922772]  [<ffffffff8109e4d6>] ? trace_hardirqs_on+0x9/0x20
[  352.923494]  [<ffffffff810b42ba>] ? oom_kill_process+0x50/0x24e
[  352.924204]  [<ffffffff810b4961>] ? out_of_memory+0x2e4/0x359
[  352.924921]  [<ffffffff812835ce>] ? moom_callback+0x0/0x27
[  352.925635]  [<ffffffff812835f3>] ? moom_callback+0x25/0x27
[  352.926346]  [<ffffffff810547d3>] ? process_one_work+0x16f/0x281
[  352.927060]  [<ffffffff8105533b>] ? worker_thread+0xd2/0x155
[  352.927784]  [<ffffffff81055269>] ? worker_thread+0x0/0x155
[  352.928513]  [<ffffffff810586f0>] ? kthread+0x84/0x8c
[  352.929236]  [<ffffffff81003814>] ? kernel_thread_helper+0x4/0x10
[  352.929975]  [<ffffffff814485ad>] ? restore_args+0x0/0x30
[  352.930723]  [<ffffffff8105866c>] ? kthread+0x0/0x8c
[  352.931466]  [<ffffffff81003810>] ? kernel_thread_helper+0x0/0x10
[  352.932215] Mem-Info:
[  352.932970] Node 0 DMA per-cpu:
[  352.933732] CPU    0: hi:    0, btch:   1 usd:   0
[  352.934503] CPU    1: hi:    0, btch:   1 usd:   0
[  352.935260] CPU    2: hi:    0, btch:   1 usd:   0
[  352.936021] CPU    3: hi:    0, btch:   1 usd:   0
[  352.936777] Node 0 DMA32 per-cpu:
[  352.937543] CPU    0: hi:  186, btch:  31 usd:  40
[  352.938310] CPU    1: hi:  186, btch:  31 usd:  52
[  352.939067] CPU    2: hi:  186, btch:  31 usd: 179
[  352.939830] CPU    3: hi:  186, btch:  31 usd: 191
[  352.940593] Node 0 Normal per-cpu:
[  352.941353] CPU    0: hi:    0, btch:   1 usd:   0
[  352.942118] CPU    1: hi:    0, btch:   1 usd:   0
[  352.942886] CPU    2: hi:    0, btch:   1 usd:   0
[  352.943649] CPU    3: hi:    0, btch:   1 usd:   0
[  352.944415] active_anon:22164 inactive_anon:7989 isolated_anon:0
[  352.944416]  active_file:5958 inactive_file:596 isolated_file:0
[  352.944416]  unevictable:330922 dirty:2 writeback:1 unstable:0
[  352.944417]  free:85392 slab_reclaimable:3513 slab_unreclaimable:8843
[  352.944418]  mapped:4156 shmem:8110 pagetables:2963 bounce:0
[  352.948336] Node 0 DMA free:8116kB min:548kB low:684kB high:820kB active_anon:0kB inactive_anon:0kB active_file:7512kB inactive_file:0kB unevictable:256kB isolated(anon):0kB isolated(file):0kB present:15676kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:16kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:64 all_unreclaimable? no
[  352.951034] lowmem_reserve[]: 0 1853 1859 1859
[  352.951937] Node 0 DMA32 free:333436kB min:66816kB low:83520kB high:100224kB active_anon:88656kB inactive_anon:31956kB active_file:16320kB inactive_file:2384kB unevictable:1323432kB isolated(anon):0kB isolated(file):0kB present:1898336kB mlocked:0kB dirty:8kB writeback:4kB mapped:16620kB shmem:32440kB slab_reclaimable:13948kB slab_unreclaimable:33676kB kernel_stack:1672kB pagetables:11852kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
[  352.954939] lowmem_reserve[]: 0 0 5 5
[  352.955985] Node 0 Normal free:16kB min:212kB low:264kB high:316kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:6060kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:0kB slab_reclaimable:88kB slab_unreclaimable:1696kB kernel_stack:264kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
[  352.959275] lowmem_reserve[]: 0 0 0 0
[  352.960407] Node 0 DMA: 1*4kB 0*8kB 1*16kB 1*32kB 2*64kB 2*128kB 2*256kB 2*512kB 2*1024kB 2*2048kB 0*4096kB = 8116kB
[  352.961598] Node 0 DMA32: 6363*4kB 3706*8kB 2320*16kB 1414*32kB 768*64kB 269*128kB 85*256kB 37*512kB 10*1024kB 6*2048kB 12*4096kB = 333436kB
[  352.962830] Node 0 Normal: 4*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 16kB
[  352.964079] 345599 total pagecache pages
[  352.965284] 0 pages in swap cache
[  352.966476] Swap cache stats: add 0, delete 0, find 0/0
[  352.967698] Free swap  = 0kB
[  352.968899] Total swap = 0kB
[  352.977043] 525808 pages RAM
[  352.978257] 41300 pages reserved
[  352.979468] 30446 pages shared
[  352.980659] 384641 pages non-shared
[  352.981856] [ pid ]   uid  tgid total_vm      rss cpu oom_adj oom_score_adj name
[  352.983083] [  423]     0   423     5066     1147   3     -17         -1000 udevd
[  352.984318] [  446]     0   446     5257      178   1       0             0 systemd-logger
[  352.985551] [  794]     0   794    39629      823   1       0             0 NetworkManager
[  352.986780] [  796]    38   796     8152      432   1       0             0 ntpd
[  352.988017] [  797]     0   797     4204      188   3       0             0 atd
[  352.989255] [  803]     0   803     1580      166   1       0             0 acpid
[  352.990499] [  804]     0   804    29790      313   0       0             0 abrtd
[  352.991748] [  822]     0   822     1708       52   1       0             0 gpm
[  352.992992] [  827]     0   827    28130      338   1       0             0 crond
[  352.994233] [  831]     0   831     1715      183   1       0             0 mcelog
[  352.995475] [  835]    81   835    24097      619   1     -13          -900 dbus-daemon
[  352.996736] [  841]     0   841    46757      824   1     -13          -900 polkitd
[  352.997994] [  867]     0   867    60752      865   1       0             0 rsyslogd
[  352.999255] [  872]     0   872    17191      492   1     -13          -900 modem-manager
[  353.000506] [  906]     0   906     6262      367   0       0             0 bluetoothd
[  353.001788] [  982]     0   982     6417      134   3     -17         -1000 auditd
[  353.003066] [  984]     0   984    20031      195   3       0             0 audispd
[  353.004363] [  985]     0   985    27199      271   3       0             0 sedispatch
[  353.005644] [ 1057]     0  1057    47724     1087   3       0             0 cupsd
[  353.006930] [ 1060]     0  1060   109370     1233   1     -13          -900 colord
[  353.008215] [ 1074]     0  1074    21491     1394   1       0             0 dhclient
[  353.009501] [ 1128]     0  1128    33012      443   1       0             0 gdm-binary
[  353.010770] [ 1216]     0  1216     1043      139   1       0             0 agetty
[  353.012008] [ 1218]     0  1218    18553      565   0       0             0 login
[  353.013201] [ 1220]     0  1220     1043      140   1       0             0 agetty
[  353.014366] [ 1223]     0  1223     1043      140   1       0             0 agetty
[  353.015501] [ 1227]     0  1227     1043      139   0       0             0 agetty
[  353.016600] [ 1228]     0  1228   539206      734   1       0             0 console-kit-dae
[  353.017672] [ 1324]   487  1324    41115      281   3       0             0 rtkit-daemon
[  353.018707] [ 1342]     0  1342    35816      720   0     -13          -900 upowerd
[  353.019722] [ 1345]     0  1345    31871      712   0     -13          -900 udisks-daemon
[  353.020698] [ 1346]     0  1346    11294      112   0     -13          -900 udisks-daemon
[  353.021639] [ 1408]     0  1408    52335      607   2       0             0 accounts-daemon
[  353.022544] [ 1507]     0  1507     5065     1018   2     -17         -1000 udevd
[  353.023437] [ 1882]     0  1882    37333      734   1     -13          -900 packagekitd
[  353.024315] [ 2116]     0  2116    28505     1270   1       0             0 bash
[  353.025176] [ 2229]     0  2229    37573      562   1       0             0 gdm-simple-slav
[  353.026003] [ 2231]     0  2231    30347     1999   1       0             0 Xorg
[  353.026811] [ 2252]    42  2252     7541      340   1       0             0 dbus-daemon
[  353.027626] [ 2254]    42  2254   102191     1050   1       0             0 gnome-session
[  353.028429] [ 2260]    42  2260    36045     1463   1       0             0 gconfd-2
[  353.029238] [ 2263]    42  2263   214606     2759   1       0             0 gnome-settings-
[  353.030043] [ 2270]    42  2270    35570      375   3       0             0 gvfsd
[  353.030853] [ 2275]    42  2275    89803      861   3       0             0 pulseaudio
[  353.031670] [ 2279]    42  2279   146393     1887   1       0             0 metacity
[  353.032489] [ 2282]    42  2282   123869     2011   0       0             0 gdm-simple-gree
[  353.033313] [ 2283]    42  2283    59245      668   1       0             0 gnome-session-c
[  353.034122] [ 2284]    42  2284   140919     1271   0       0             0 gnome-power-man
[  353.034920] [ 2285]    42  2285    75907      981   2       0             0 polkit-gnome-au
[  353.035736] [ 2289]    42  2289    11784      207   1       0             0 gnome-session-c
[  353.036536] [ 2299]    42  2299    44851      461   0       0             0 dconf-service
[  353.037347] [ 2313]     0  2313    33188      388   0       0             0 gdm-session-wor
[  353.038157] [ 2322]     0  2322    27092      265   0       0             0 test_mempressur
[  353.038965] [ 2335]     0  2335     5065      996   2     -17         -1000 udevd
[  353.039781] [ 2364]     0  2364    28500      210   2       0             0 umount
[  353.040597] Out of memory: Kill process 2263 (gnome-settings-) score 6 or sacrifice child
[  353.041432] Killed process 2263 (gnome-settings-) total-vm:858424kB, anon-rss:7192kB, file-rss:3844kB

[-- Attachment #7: stuck-softlockup.txt --]
[-- Type: text/plain, Size: 25678 bytes --]

[  419.796520] BUG: soft lockup - CPU#2 stuck for 67s! [kswapd0:35]
[  419.797364] Modules linked in: netconsole configfs tcp_lp fuse tun cpufreq_ondemand rfcomm sco bnep l2cap ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ipt_MASQUERADE ip6_tables iptable_nat nf_nat coretemp snd_hda_codec_hdmi snd_hda_codec_conexant btusb bluetooth arc4 ecb snd_hda_intel iwlagn snd_hda_codec i2c_i801 iwlcore thinkpad_acpi iTCO_wdt mac80211 snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer iTCO_vendor_support cfg80211 snd_page_alloc tpm_tis hwmon tpm tpm_bios wmi microcode snd soundcore kvm_intel kvm ipv6 aes_x86_64 aes_generic xts dm_crypt sdhci_pci sdhci mmc_core i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
[  419.802332] CPU 2 
[  419.802342] Modules linked in: netconsole configfs tcp_lp fuse tun cpufreq_ondemand rfcomm sco bnep l2cap ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ipt_MASQUERADE ip6_tables iptable_nat nf_nat coretemp snd_hda_codec_hdmi snd_hda_codec_conexant btusb bluetooth arc4 ecb snd_hda_intel iwlagn snd_hda_codec i2c_i801 iwlcore thinkpad_acpi iTCO_wdt mac80211 snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer iTCO_vendor_support cfg80211 snd_page_alloc tpm_tis hwmon tpm tpm_bios wmi microcode snd soundcore kvm_intel kvm ipv6 aes_x86_64 aes_generic xts dm_crypt sdhci_pci sdhci mmc_core i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
[  419.809095] 
[  419.810252] Pid: 35, comm: kswapd0 Not tainted 2.6.38.6-luto+ #1 LENOVO 4286CTO/4286CTO
[  419.811466] RIP: 0010:[<ffffffff810bdd27>]  [<ffffffff810bdd27>] shrink_slab+0x86/0x166
[  419.812678] RSP: 0018:ffff88006c885da0  EFLAGS: 00000246
[  419.813876] RAX: 0000000000000000 RBX: ffff88006c885de0 RCX: 0000000000000002
[  419.815089] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88006caf1820
[  419.816303] RBP: ffff88006c885de0 R08: ffff88006c885d60 R09: 0000000000000002
[  419.817526] R10: 0000000000000002 R11: 0000000000000278 R12: ffffffff810033ce
[  419.818756] R13: ffff88006c885e58 R14: 0000000000000002 R15: 00000000000050db
[  419.819982] FS:  0000000000000000(0000) GS:ffff880078300000(0000) knlGS:0000000000000000
[  419.821225] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[  419.822461] CR2: 00007fed187b3000 CR3: 000000005422f000 CR4: 00000000000406e0
[  419.823712] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  419.824967] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  419.826216] Process kswapd0 (pid: 35, threadinfo ffff88006c884000, task ffff88006f83dbc0)
[  419.827480] Stack:
[  419.828737]  0000000000000000 0000000000000080 ffff880000000002 ffff8801005fee00
[  419.830036]  ffff8801005fe000 0000000000000002 0000000000000000 000000000000000c
[  419.831343]  ffff88006c885ee0 ffffffff810c0959 ffff88006c885e40 ffff88006f83dbc0
[  419.832652] Call Trace:
[  419.833948]  [<ffffffff810c0959>] kswapd+0x50a/0x76f
[  419.835252]  [<ffffffff810c044f>] ? kswapd+0x0/0x76f
[  419.836551]  [<ffffffff810586f0>] kthread+0x84/0x8c
[  419.837852]  [<ffffffff81003814>] kernel_thread_helper+0x4/0x10
[  419.839155]  [<ffffffff814485ad>] ? restore_args+0x0/0x30
[  419.840454]  [<ffffffff8105866c>] ? kthread+0x0/0x8c
[  419.841757]  [<ffffffff81003810>] ? kernel_thread_helper+0x0/0x10
[  419.843054] Code: 83 eb 10 e9 ce 00 00 00 44 89 f2 31 f6 48 89 df ff 13 48 63 4b 08 31 d2 4c 63 e8 48 8b 45 c8 48 f7 f1 49 0f af c5 31 d2 49 f7 f7 <48> 03 43 20 48 85 c0 48 89 43 20 79 18 48 8b 33 48 89 c2 48 c7 
[  419.846008] Call Trace:
[  419.847394]  [<ffffffff810c0959>] kswapd+0x50a/0x76f
[  419.848780]  [<ffffffff810c044f>] ? kswapd+0x0/0x76f
[  419.850140]  [<ffffffff810586f0>] kthread+0x84/0x8c
[  419.851482]  [<ffffffff81003814>] kernel_thread_helper+0x4/0x10
[  419.852840]  [<ffffffff814485ad>] ? restore_args+0x0/0x30
[  419.854211]  [<ffffffff8105866c>] ? kthread+0x0/0x8c
[  419.855571]  [<ffffffff81003810>] ? kernel_thread_helper+0x0/0x10
[  480.119201] INFO: task systemd:1 blocked for more than 120 seconds.
[  480.120983] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  480.122740] systemd         D 0000000000000000     0     1      0 0x00000000
[  480.124447]  ffff8801002e9b48 0000000000000086 ffffffff81a0b020 ffffffff00000000
[  480.126126]  ffff8801002e0000 ffff8801002e9fd8 ffff8801002e9fd8 0000000000011a40
[  480.127814]  0000000000011a40 ffff8801002e0000 ffff880078211a40 000000017858e7e8
[  480.129461] Call Trace:
[  480.131026]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.132555]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.134010]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  480.135410]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  480.136807]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  480.138192]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  480.139577]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  480.140931]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  480.142270]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  480.143620]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  480.144957]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  480.146285]  [<ffffffff8102c72b>] ? set_next_entity+0x46/0x98
[  480.147612]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  480.148914]  [<ffffffff814466b2>] ? schedule+0x63d/0x654
[  480.150214]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  480.151495]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  480.152781]  [<ffffffff81127b07>] ? sys_epoll_wait+0x2e4/0x302
[  480.154077]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  480.155355]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  480.156609]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  480.157847] INFO: task fsnotify_mark:38 blocked for more than 120 seconds.
[  480.159099] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  480.160359] fsnotify_mark   D 0000000000000002     0    38      2 0x00000000
[  480.161642]  ffff88006c8bbd50 0000000000000046 ffff88006d402de0 ffffffff810ab657
[  480.162936]  ffff88006c88ade0 ffff88006c8bbfd8 ffff88006c8bbfd8 0000000000011a40
[  480.164239]  0000000000011a40 ffff88006c88ade0 0000000000000082 ffff880078311a40
[  480.165558] Call Trace:
[  480.166840]  [<ffffffff810ab657>] ? __perf_event_task_sched_out+0x27/0x2c
[  480.168159]  [<ffffffff81446f0b>] __mutex_lock_common+0x129/0x18e
[  480.169484]  [<ffffffff8108dc6d>] ? synchronize_sched+0x0/0x57
[  480.170812]  [<ffffffff814470ee>] __mutex_lock_slowpath+0x19/0x1b
[  480.172075]  [<ffffffff8144707f>] mutex_lock+0x36/0x50
[  480.173272]  [<ffffffff8109e4d6>] ? trace_hardirqs_on+0x9/0x20
[  480.174480]  [<ffffffff8105cc68>] __synchronize_srcu+0x25/0x89
[  480.175686]  [<ffffffff8105ccf8>] synchronize_srcu+0x15/0x17
[  480.176901]  [<ffffffff81124c78>] fsnotify_mark_destroy+0x8b/0x14d
[  480.178138]  [<ffffffff81058dbc>] ? autoremove_wake_function+0x0/0x37
[  480.179369]  [<ffffffff81124bed>] ? fsnotify_mark_destroy+0x0/0x14d
[  480.180605]  [<ffffffff810586f0>] kthread+0x84/0x8c
[  480.181834]  [<ffffffff81003814>] kernel_thread_helper+0x4/0x10
[  480.183074]  [<ffffffff814485ad>] ? restore_args+0x0/0x30
[  480.184299]  [<ffffffff8105866c>] ? kthread+0x0/0x8c
[  480.185500]  [<ffffffff81003810>] ? kernel_thread_helper+0x0/0x10
[  480.186715] INFO: task jbd2/dm-2-8:372 blocked for more than 120 seconds.
[  480.187910] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  480.189126] jbd2/dm-2-8     D ffff8800754a5bc0     0   372      2 0x00000000
[  480.190357]  ffff8800751f3b70 0000000000000046 ffff88006ca644d0 ffffffff810088f4
[  480.191600]  ffff8800754a5bc0 ffff8800751f3fd8 ffff8800751f3fd8 0000000000011a40
[  480.192837]  0000000000011a40 ffff8800754a5bc0 ffff880078391a40 ffff88007858ce08
[  480.194116] Call Trace:
[  480.195359]  [<ffffffff810088f4>] ? read_tsc+0x9/0x19
[  480.196622]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.197875]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.199110]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  480.200359]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  480.201599]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  480.202842]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  480.204088]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  480.205330]  [<ffffffff810b1b1f>] filemap_fdatawait_range+0x84/0x163
[  480.206576]  [<ffffffff811e4709>] ? submit_bio+0xde/0xfd
[  480.207814]  [<ffffffff8111e1ca>] ? bio_alloc_bioset+0x4c/0xc3
[  480.209061]  [<ffffffff810b1c22>] filemap_fdatawait+0x24/0x26
[  480.210316]  [<ffffffff8119df33>] jbd2_journal_commit_transaction+0x9eb/0x13c0
[  480.211584]  [<ffffffff81058dbc>] ? autoremove_wake_function+0x0/0x37
[  480.212848]  [<ffffffff811a274a>] kjournald2+0x13d/0x36a
[  480.214109]  [<ffffffff81058dbc>] ? autoremove_wake_function+0x0/0x37
[  480.215393]  [<ffffffff811a260d>] ? kjournald2+0x0/0x36a
[  480.216655]  [<ffffffff810586f0>] kthread+0x84/0x8c
[  480.217898]  [<ffffffff81003814>] kernel_thread_helper+0x4/0x10
[  480.219135]  [<ffffffff814485ad>] ? restore_args+0x0/0x30
[  480.220355]  [<ffffffff8105866c>] ? kthread+0x0/0x8c
[  480.221560]  [<ffffffff81003810>] ? kernel_thread_helper+0x0/0x10
[  480.222777] INFO: task NetworkManager:794 blocked for more than 120 seconds.
[  480.223997] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  480.225218] NetworkManager  D ffffffff810b1879     0   794      1 0x00000000
[  480.226450]  ffff88006cf61b48 0000000000000082 ffff88006dfa0000 ffffffff810088f4
[  480.227696]  ffff88006f3344d0 ffff88006cf61fd8 ffff88006cf61fd8 0000000000011a40
[  480.228960]  0000000000011a40 ffff88006f3344d0 ffff880078291a40 ffff88007858c3e8
[  480.230221] Call Trace:
[  480.231449]  [<ffffffff810088f4>] ? read_tsc+0x9/0x19
[  480.232686]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.233928]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.235159]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  480.236398]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  480.237612]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  480.238823]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  480.240049]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  480.241263]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  480.242487]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  480.243717]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  480.244927]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  480.246123]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  480.247313]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  480.248479]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  480.249631]  [<ffffffff810430dd>] ? timespec_add_safe+0x37/0x66
[  480.250784]  [<ffffffff810088f4>] ? read_tsc+0x9/0x19
[  480.251920]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  480.253065]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  480.254185]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  480.255306] INFO: task ntpd:796 blocked for more than 120 seconds.
[  480.256456] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  480.257631] ntpd            D ffff88007828d980     0   796      1 0x00000000
[  480.258833]  ffff88006f391b48 0000000000000086 ffff8801005c96f0 ffffffffffffffff
[  480.260075]  ffff88006f335bc0 ffff88006f391fd8 ffff88006f391fd8 0000000000011a40
[  480.261310]  0000000000011a40 ffff88006f335bc0 ffff880078291a40 0000000178583148
[  480.262540] Call Trace:
[  480.263756]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.264980]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.266202]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  480.267404]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  480.268599]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  480.269788]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  480.270982]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  480.272156]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  480.273322]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  480.274492]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  480.275674]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  480.276866]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  480.278042]  [<ffffffff811058eb>] ? set_fd_set+0x3c/0x46
[  480.279222]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  480.280388]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  480.281543]  [<ffffffff8105fbeb>] ? timekeeping_get_ns+0x18/0x3a
[  480.282680]  [<ffffffff8102ab0d>] ? should_resched+0xe/0x2d
[  480.283803]  [<ffffffff8144677c>] ? _cond_resched+0xe/0x22
[  480.284929]  [<ffffffff8110587c>] ? might_fault+0x21/0x23
[  480.286041]  [<ffffffff811059d1>] ? poll_select_copy_remaining+0xdc/0x100
[  480.287151]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  480.288251]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  480.289356]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  480.290469] INFO: task crond:827 blocked for more than 120 seconds.
[  480.291590] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  480.292752] crond           D ffffffff810b1879     0   827      1 0x00000000
[  480.293927]  ffff88006dd2fb48 0000000000000086 ffff88006d402de0 ffffffff810088f4
[  480.295136]  ffff88006d4016f0 ffff88006dd2ffd8 ffff88006dd2ffd8 0000000000011a40
[  480.296342]  0000000000011a40 ffff88006d4016f0 ffff880078291a40 ffff880078583c88
[  480.297555] Call Trace:
[  480.298737]  [<ffffffff810088f4>] ? read_tsc+0x9/0x19
[  480.299932]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.301141]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.302332]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  480.303529]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  480.304715]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  480.305893]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  480.307094]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  480.308291]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  480.309486]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  480.310675]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  480.311851]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  480.313020]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  480.314178]  [<ffffffff811058eb>] ? set_fd_set+0x3c/0x46
[  480.315315]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  480.316431]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  480.317555]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  480.318679]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  480.319792]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  480.320910] INFO: task polkitd:841 blocked for more than 120 seconds.
[  480.322049] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  480.323215] polkitd         D 0000000000000000     0   841      1 0x00000000
[  480.324409]  ffff880064c2bb48 0000000000000082 ffff8801005c96f0 ffffffff00000000
[  480.325615]  ffff88006ddadbc0 ffff880064c2bfd8 ffff880064c2bfd8 0000000000011a40
[  480.326838]  0000000000011a40 ffff88006ddadbc0 ffff880078291a40 0000000178593108
[  480.328058] Call Trace:
[  480.329250]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.330463]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.331650]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  480.332825]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  480.334028]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  480.335221]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  480.336405]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  480.337590]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  480.338786]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  480.339975]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  480.341174]  [<ffffffff81105c2d>] ? pollwake+0x0/0x54
[  480.342363]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  480.343548]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  480.344738]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  480.345930]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  480.347116]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  480.348283]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  480.349424]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  480.350558] INFO: task rs:main Q:Reg:942 blocked for more than 120 seconds.
[  480.351695] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  480.352853] rs:main Q:Reg   D ffff88007828d980     0   942      1 0x00000000
[  480.354012]  ffff88006d51bb48 0000000000000086 ffff8801005c96f0 ffffffffffffffff
[  480.355192]  ffff88006d400000 ffff88006d51bfd8 ffff88006d51bfd8 0000000000011a40
[  480.356385]  0000000000011a40 ffff88006d400000 ffff880078291a40 00000001785929e8
[  480.357591] Call Trace:
[  480.358771]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.359975]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.361157]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  480.362348]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  480.363529]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  480.364708]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  480.365891]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  480.367073]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  480.368282]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  480.369474]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  480.370654]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  480.371823]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  480.373002]  [<ffffffff81166466>] ? ext4_file_write+0x1dc/0x232
[  480.374184]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  480.375377]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  480.376552]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  480.377727]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  480.378883]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  480.380022] INFO: task modem-manager:872 blocked for more than 120 seconds.
[  480.381163] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  480.382329] modem-manager   D ffffffff810b1879     0   872      1 0x00000000
[  480.383513]  ffff88006d96fb48 0000000000000086 ffff880064cbdbc0 ffffffff810088f4
[  480.384710]  ffff88006f3316f0 ffff88006d96ffd8 ffff88006d96ffd8 0000000000011a40
[  480.385906]  0000000000011a40 ffff88006f3316f0 ffff880078391a40 ffff880078588248
[  480.387132] Call Trace:
[  480.388328]  [<ffffffff810088f4>] ? read_tsc+0x9/0x19
[  480.389556]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.390760]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.391954]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  480.393162]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  480.394355]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  480.395558]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  480.396755]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  480.397944]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  480.399143]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  480.400346]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  480.401571]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  480.402774]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  480.403975]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  480.405187]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  480.406388]  [<ffffffff8102f3c3>] ? finish_task_switch+0x89/0xb4
[  480.407583]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  480.408761]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  480.409920]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  480.411054] INFO: task auditd:982 blocked for more than 120 seconds.
[  480.412192] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  480.413371] auditd          D ffff88007838d980     0   982      1 0x00000000
[  480.414541]  ffff88006de2fb48 0000000000000082 ffff8801004c96f0 ffffffffffffffff
[  480.415739]  ffff88006cceade0 ffff88006de2ffd8 ffff88006de2ffd8 0000000000011a40
[  480.416962]  0000000000011a40 ffff88006cceade0 ffff880078391a40 000000017858bc08
[  480.418191] Call Trace:
[  480.419383]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.420617]  [<ffffffff810b1879>] ? sync_page+0x0/0x4f
[  480.421826]  [<ffffffff81446710>] io_schedule+0x47/0x62
[  480.423017]  [<ffffffff810b18c4>] sync_page+0x4b/0x4f
[  480.424224]  [<ffffffff81446cdd>] __wait_on_bit+0x48/0x7b
[  480.425424]  [<ffffffff810b1a41>] wait_on_page_bit+0x72/0x74
[  480.426621]  [<ffffffff81058df3>] ? wake_bit_function+0x0/0x31
[  480.427839]  [<ffffffff810b1a5a>] wait_on_page_locked+0x17/0x19
[  480.429042]  [<ffffffff810b330e>] __lock_page_or_retry+0x30/0x36
[  480.430240]  [<ffffffff810b34fb>] filemap_fault+0x1e7/0x36c
[  480.431438]  [<ffffffff810caf47>] __do_fault+0x56/0x342
[  480.432623]  [<ffffffff8102c72b>] ? set_next_entity+0x46/0x98
[  480.433817]  [<ffffffff810cd41f>] handle_pte_fault+0x29f/0x765
[  480.435016]  [<ffffffff8109e4d6>] ? trace_hardirqs_on+0x9/0x20
[  480.436217]  [<ffffffff810cdbe4>] handle_mm_fault+0x18e/0x1a1
[  480.437409]  [<ffffffff8144b490>] do_page_fault+0x34a/0x36c
[  480.438581]  [<ffffffff81127b07>] ? sys_epoll_wait+0x2e4/0x302
[  480.439737]  [<ffffffff8109e183>] ? trace_hardirqs_off_caller+0xe/0x22
[  480.440889]  [<ffffffff81447e6e>] ? trace_hardirqs_off_thunk+0x3a/0x6c
[  480.442022]  [<ffffffff8144878f>] page_fault+0x1f/0x30
[  503.688962] BUG: soft lockup - CPU#2 stuck for 67s! [kswapd0:35]
[  503.689824] Modules linked in: netconsole configfs tcp_lp fuse tun cpufreq_ondemand rfcomm sco bnep l2cap ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ipt_MASQUERADE ip6_tables iptable_nat nf_nat coretemp snd_hda_codec_hdmi snd_hda_codec_conexant btusb bluetooth arc4 ecb snd_hda_intel iwlagn snd_hda_codec i2c_i801 iwlcore thinkpad_acpi iTCO_wdt mac80211 snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer iTCO_vendor_support cfg80211 snd_page_alloc tpm_tis hwmon tpm tpm_bios wmi microcode snd soundcore kvm_intel kvm ipv6 aes_x86_64 aes_generic xts dm_crypt sdhci_pci sdhci mmc_core i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
[  503.694990] CPU 2 
[  503.695002] Modules linked in: netconsole configfs tcp_lp fuse tun cpufreq_ondemand rfcomm sco bnep l2cap ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ipt_MASQUERADE ip6_tables iptable_nat nf_nat coretemp snd_hda_codec_hdmi snd_hda_codec_conexant btusb bluetooth arc4 ecb snd_hda_intel iwlagn snd_hda_codec i2c_i801 iwlcore thinkpad_acpi iTCO_wdt mac80211 snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer iTCO_vendor_support cfg80211 snd_page_alloc tpm_tis hwmon tpm tpm_bios wmi microcode snd soundcore kvm_intel kvm ipv6 aes_x86_64 aes_generic xts dm_crypt sdhci_pci sdhci mmc_core i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
[  503.702037] 
[  503.703226] Pid: 35, comm: kswapd0 Not tainted 2.6.38.6-luto+ #1 LENOVO 4286CTO/4286CTO
[  503.704457] RIP: 0010:[<ffffffff810b58cc>]  [<ffffffff810b58cc>] zone_watermark_ok_safe+0x61/0xae
[  503.705695] RSP: 0018:ffff88006c885da0  EFLAGS: 00000297
[  503.706935] RAX: 0000000000000003 RBX: ffff88006c885de0 RCX: 0000000000000000
[  503.708189] RDX: 000000000000004f RSI: 0000000000000000 RDI: ffff880078380000
[  503.709432] RBP: ffff88006c885de0 R08: 0000000000000000 R09: ffffffff81a7d140
[  503.710681] R10: 0000000000000002 R11: ffff8801005ffeb8 R12: ffffffff810033ce
[  503.711931] R13: ffff88006c885e58 R14: ffff88006c884000 R15: 00000000000050d5
[  503.713188] FS:  0000000000000000(0000) GS:ffff880078300000(0000) knlGS:0000000000000000
[  503.714439] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[  503.715679] CR2: 00007fed187b3000 CR3: 000000005422f000 CR4: 00000000000406e0
[  503.716918] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  503.718158] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  503.719391] Process kswapd0 (pid: 35, threadinfo ffff88006c884000, task ffff88006f83dbc0)
[  503.720632] Stack:
[  503.721858]  ffff8801005ffeb8 ffff880100000000 ffff880000000000 000000000000004f
[  503.723141]  ffff8801005fee00 ffff8801005fe000 0000000000000002 0000000000000000
[  503.724419]  ffff88006c885ee0 ffffffff810c0845 ffff88006c885e40 ffff88006f83dbc0
[  503.725707] Call Trace:
[  503.726974]  [<ffffffff810c0845>] kswapd+0x3f6/0x76f
[  503.728253]  [<ffffffff810c044f>] ? kswapd+0x0/0x76f
[  503.729522]  [<ffffffff810586f0>] kthread+0x84/0x8c
[  503.730793]  [<ffffffff81003814>] kernel_thread_helper+0x4/0x10
[  503.732065]  [<ffffffff814485ad>] ? restore_args+0x0/0x30
[  503.733336]  [<ffffffff8105866c>] ? kthread+0x0/0x8c
[  503.734601]  [<ffffffff81003810>] ? kernel_thread_helper+0x0/0x10
[  503.735875] Code: c1 73 5d 4c 8b af 30 05 00 00 83 c8 ff 4c 8b 35 4b 56 55 00 eb 18 48 63 f8 48 8b 73 58 48 8b 3c fd d0 cc a7 81 48 0f be 74 3e 42 <49> 01 f5 4c 89 f6 89 c7 48 89 55 d8 89 4d d0 44 89 45 c8 e8 cd 
[  503.738776] Call Trace:
[  503.740126]  [<ffffffff810c0845>] kswapd+0x3f6/0x76f
[  503.741490]  [<ffffffff810c044f>] ? kswapd+0x0/0x76f
[  503.742853]  [<ffffffff810586f0>] kthread+0x84/0x8c
[  503.744208]  [<ffffffff81003814>] kernel_thread_helper+0x4/0x10
[  503.745564]  [<ffffffff814485ad>] ? restore_args+0x0/0x30
[  503.746919]  [<ffffffff8105866c>] ? kthread+0x0/0x8c
[  503.748267]  [<ffffffff81003810>] ? kernel_thread_helper+0x0/0x10

  reply	other threads:[~2011-05-12 11:54 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-11 22:42 Kernel falls apart under light memory pressure (i.e. linking vmlinux) Andrew Lutomirski
2011-05-11 23:07 ` Andi Kleen
2011-05-11 23:28   ` Andrew Lutomirski
2011-05-12  5:46     ` Andi Kleen
2011-05-12 11:54       ` Andrew Lutomirski [this message]
2011-05-14 15:46         ` Andrew Lutomirski
2011-05-14 16:53           ` Andi Kleen
     [not found]             ` <BANLkTik6SS9NH7XVSRBoCR16_5veY0MKBw@mail.gmail.com>
     [not found]               ` <20110514174333.GW6008@one.firstfloor.org>
     [not found]                 ` <BANLkTinst+Ryox9VZ-s7gdXKa574XXqt5w@mail.gmail.com>
2011-05-15 15:27                   ` Wu Fengguang
2011-05-15 15:59                     ` Andrew Lutomirski
2011-05-15 22:58                       ` Minchan Kim
2011-05-16  8:51                         ` Mel Gorman
2011-05-15 16:12                     ` Andrew Lutomirski
2011-05-17  6:00                       ` Wu Fengguang
2011-05-17  6:35                         ` Minchan Kim
2011-05-17 19:22                         ` Andrew Lutomirski
2011-05-18  5:17                           ` Minchan Kim
2011-05-19  2:15                             ` Andrew Lutomirski
2011-05-19  2:30                               ` KAMEZAWA Hiroyuki
2011-05-19  2:41                                 ` Andrew Lutomirski
2011-05-19  2:54                               ` Minchan Kim
2011-05-19 14:16                                 ` Andrew Lutomirski
2011-05-20  0:17                                   ` Minchan Kim
2011-05-20  2:58                                   ` Andrew Lutomirski
2011-05-20  3:12                                     ` KOSAKI Motohiro
2011-05-20  3:38                                       ` Andrew Lutomirski
2011-05-20  4:20                                         ` Minchan Kim
2011-05-20  5:08                                           ` KAMEZAWA Hiroyuki
2011-05-20  5:36                                             ` Minchan Kim
2011-05-20  7:43                                               ` KAMEZAWA Hiroyuki
2011-05-20 10:11                                             ` Andrea Arcangeli
2011-05-20 14:11                                               ` Andrew Lutomirski
2011-05-20 15:33                                                 ` Minchan Kim
2011-05-20 16:01                                                   ` Andrew Lutomirski
2011-05-20 16:19                                                     ` Minchan Kim
2011-05-20 18:09                                                       ` Andrew Lutomirski
2011-05-20 18:40                                                         ` Andrew Lutomirski
2011-05-21 12:04                                                         ` KOSAKI Motohiro
2011-05-21 13:34                                                           ` Andrew Lutomirski
2011-05-21 14:14                                                             ` KOSAKI Motohiro
2011-05-21 14:44                                                             ` Minchan Kim
2011-05-22 12:22                                                               ` Andrew Lutomirski
2011-05-22 23:12                                                                 ` Minchan Kim
2011-05-23 16:42                                                                   ` Andrea Arcangeli
2011-05-23 17:35                                                                     ` Mel Gorman
2011-05-24  1:19                                                                   ` Andrew Lutomirski
2011-05-24  1:34                                                                     ` Minchan Kim
2011-05-24 11:24                                                                       ` Andrew Lutomirski
2011-05-24 11:55                                                                         ` Andrew Lutomirski
2011-05-25  0:43                                                                           ` KOSAKI Motohiro
2011-05-21 14:31                                                           ` Minchan Kim
2011-05-19 14:51                             ` Wu Fengguang
2011-05-19 15:00                               ` Andrew Lutomirski
2011-05-20  0:20                               ` Minchan Kim
2011-05-15 22:40                     ` Minchan Kim
2011-05-17  5:52                       ` Wu Fengguang
2011-05-17  6:26                         ` Minchan Kim
2011-05-20 10:40   ` Andrea Arcangeli

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