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SubjectRe: [BUG] fatal hang untarring 90GB file, possibly writeback related.
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Date
On Wed, 2011-04-27 at 12:54 -0400, Chris Mason wrote:
> Ok, I'd try turning it on so we catch the sleeping with a spinlock held
> case better.

Will do, that's CONFIG_PREEMPT (rather than CONFIG_PREEMPT_VOLUNTARY)?

This is the trace with sysrq-l and sysrq-w

The repro this time doesn't have a soft lockup, just the tar is hung and
one of my CPUs is in 99% system.

James

---

[ 453.351255] SysRq : Show backtrace of all active CPUs
[ 453.352601] sending NMI to all CPUs:
[ 453.353849] NMI backtrace for cpu 3
[ 453.355545] CPU 3
[ 453.355560] Modules linked in: netconsole configfs cpufreq_ondemand acpi_cpufreq freq_table mperf snd_hda_codec_hdmi snd_hda_codec_conexant arc4 snd_hda_intel snd_hda_codec iwlagn snd_hwdep snd_seq mac80211 snd_seq_device uvcvideo btusb cfg80211 bluetooth wmi e1000e snd_pcm videodev rfkill i2c_i801 microcode iTCO_wdt iTCO_vendor_support xhci_hcd snd_timer v4l2_compat_ioctl32 joydev pcspkr snd soundcore snd_page_alloc uinput ipv6 sdhci_pci sdhci mmc_core i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
[ 453.363188]
[ 453.365162] Pid: 46, comm: kswapd0 Not tainted 2.6.39-rc4+ #1 LENOVO 4170CTO/4170CTO
[ 453.367133] RIP: 0010:[<ffffffff8147af8c>] [<ffffffff8147af8c>] mutex_trylock+0x16/0x38
[ 453.369122] RSP: 0018:ffff88006dfc1d40 EFLAGS: 00000246
[ 453.371098] RAX: 0000000000000001 RBX: ffff880037de15f0 RCX: 0000000000000001
[ 453.373099] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff880037875820
[ 453.375097] RBP: ffff88006dfc1d40 R08: 0000000000000000 R09: 00000000000074ad
[ 453.377079] R10: 0000000000000002 R11: ffffffff81a44e50 R12: 0000000000000000
[ 453.379052] R13: 0000000000000000 R14: ffff880037875800 R15: ffff880037875820
[ 453.381015] FS: 0000000000000000(0000) GS:ffff8801002c0000(0000) knlGS:0000000000000000
[ 453.382985] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 453.384944] CR2: 00007fbf8ea8d090 CR3: 0000000001a03000 CR4: 00000000000406e0
[ 453.386920] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 453.388887] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 453.390789] Process kswapd0 (pid: 46, threadinfo ffff88006dfc0000, task ffff88006dfb8000)
[ 453.392649] Stack:
[ 453.394473] ffff88006dfc1d90 ffffffffa007ff52 ffff88006dfc1d90 ffffffff811613b5
[ 453.396337] ffff88006dfc1d60 ffff880037de15f0 0000000000000000 0000000000000000
[ 453.398174] 00000000000000d0 000000000006366c ffff88006dfc1de0 ffffffff810e1f89
[ 453.400015] Call Trace:
[ 453.401845] [<ffffffffa007ff52>] i915_gem_inactive_shrink+0x2f/0x194 [i915]
[ 453.403702] [<ffffffff811613b5>] ? mb_cache_shrink_fn+0x32/0xd0
[ 453.405499] [<ffffffff810e1f89>] shrink_slab+0x6d/0x166
[ 453.407234] [<ffffffff810e4bcc>] kswapd+0x533/0x798
[ 453.408952] [<ffffffff810e4699>] ? mem_cgroup_shrink_node_zone+0xe3/0xe3
[ 453.410690] [<ffffffff8106e157>] kthread+0x84/0x8c
[ 453.412432] [<ffffffff81483764>] kernel_thread_helper+0x4/0x10
[ 453.414187] [<ffffffff8106e0d3>] ? kthread_worker_fn+0x148/0x148
[ 453.415945] [<ffffffff81483760>] ? gs_change+0x13/0x13
[ 453.417671] Code: 00 48 c7 47 18 00 00 00 00 f0 ff 07 7f 05 e8 ed 02 00 00 5d c3 55 48 89 e5 0f 1f 44 00 00 b9 01 00 00 00 31 d2 89 c8 f0 0f b1 17
[ 453.417905] c1 31 c0 ff c9 75 18 65 48 8b 04 25 c8 cc 00 00 48 2d d8 1f
[ 453.421534] Call Trace:
[ 453.423337] [<ffffffffa007ff52>] i915_gem_inactive_shrink+0x2f/0x194 [i915]
[ 453.425172] [<ffffffff811613b5>] ? mb_cache_shrink_fn+0x32/0xd0
[ 453.426997] [<ffffffff810e1f89>] shrink_slab+0x6d/0x166
[ 453.428818] [<ffffffff810e4bcc>] kswapd+0x533/0x798
[ 453.430639] [<ffffffff810e4699>] ? mem_cgroup_shrink_node_zone+0xe3/0xe3
[ 453.432485] [<ffffffff8106e157>] kthread+0x84/0x8c
[ 453.434298] [<ffffffff81483764>] kernel_thread_helper+0x4/0x10
[ 453.436112] [<ffffffff8106e0d3>] ? kthread_worker_fn+0x148/0x148
[ 453.437894] [<ffffffff81483760>] ? gs_change+0x13/0x13
[ 453.439654] NMI backtrace for cpu 2
[ 453.441508] CPU 2
[ 453.441525] Modules linked in: netconsole configfs cpufreq_ondemand acpi_cpufreq freq_table mperf snd_hda_codec_hdmi snd_hda_codec_conexant arc4 snd_hda_intel snd_hda_codec iwlagn snd_hwdep snd_seq mac80211 snd_seq_device uvcvideo btusb cfg80211 bluetooth wmi e1000e snd_pcm videodev rfkill i2c_i801 microcode iTCO_wdt iTCO_vendor_support xhci_hcd snd_timer v4l2_compat_ioctl32 joydev pcspkr snd soundcore snd_page_alloc uinput ipv6 sdhci_pci sdhci mmc_core i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
[ 453.449517]
[ 453.451516] Pid: 0, comm: kworker/0:1 Not tainted 2.6.39-rc4+ #1 LENOVO 4170CTO/4170CTO
[ 453.453704] RIP: 0010:[<ffffffff81275d36>] [<ffffffff81275d36>] intel_idle+0xaa/0x100
[ 453.455772] RSP: 0018:ffff8800715c9e68 EFLAGS: 00000046
[ 453.457827] RAX: 0000000000000030 RBX: 0000000000000010 RCX: 0000000000000001
[ 453.459903] RDX: 0000000000000000 RSI: ffff8800715c9fd8 RDI: ffffffff81a0e640
[ 453.461999] RBP: ffff8800715c9eb8 R08: 000000000000006d R09: 00000000000003e5
[ 453.464039] R10: ffffffff00000002 R11: ffff880100293b40 R12: 0000000000000030
[ 453.466013] R13: 12187898d4512537 R14: 0000000000000004 R15: 0000000000000002
[ 453.467918] FS: 0000000000000000(0000) GS:ffff880100280000(0000) knlGS:0000000000000000
[ 453.469797] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 453.471644] CR2: 0000000000452630 CR3: 0000000001a03000 CR4: 00000000000406e0
[ 453.473512] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 453.475356] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 453.477185] Process kworker/0:1 (pid: 0, threadinfo ffff8800715c8000, task ffff8800715a1700)
[ 453.479024] Stack:
[ 453.480855] ffff8800715c9e88 ffffffff810731c0 ffff880100291290 0000000000011290
[ 453.482739] ffff8800715c9eb8 000000028139c97a ffffe8ffffc80170 ffffe8ffffc80170
[ 453.484631] ffffe8ffffc80300 0000000000000000 ffff8800715c9ef8 ffffffff8139b868
[ 453.486518] Call Trace:
[ 453.488365] [<ffffffff810731c0>] ? pm_qos_request+0x3e/0x45
[ 453.490226] [<ffffffff8139b868>] cpuidle_idle_call+0xe7/0x166
[ 453.492096] [<ffffffff81008321>] cpu_idle+0xa5/0xdf
[ 453.493947] [<ffffffff8146ae57>] start_secondary+0x223/0x225
[ 453.495791] Code: 28 e0 ff ff 80 e2 08 75 22 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <e8> 23 09 e0 ff 4c 29 e8 48 89 c7 e8 ab 29 de ff 4c 69 e0 40 42
[ 453.499958] Call Trace:
[ 453.501895] [<ffffffff810731c0>] ? pm_qos_request+0x3e/0x45
[ 453.503837] [<ffffffff8139b868>] cpuidle_idle_call+0xe7/0x166
[ 453.505775] [<ffffffff81008321>] cpu_idle+0xa5/0xdf
[ 453.507687] [<ffffffff8146ae57>] start_secondary+0x223/0x225
[ 453.509598] NMI backtrace for cpu 1
[ 453.511390] CPU 1
[ 453.511405] Modules linked in: netconsole configfs cpufreq_ondemand acpi_cpufreq freq_table mperf snd_hda_codec_hdmi snd_hda_codec_conexant arc4 snd_hda_intel snd_hda_codec iwlagn snd_hwdep snd_seq mac80211 snd_seq_device uvcvideo btusb cfg80211 bluetooth wmi e1000e snd_pcm videodev rfkill i2c_i801 microcode iTCO_wdt iTCO_vendor_support xhci_hcd snd_timer v4l2_compat_ioctl32 joydev pcspkr snd soundcore snd_page_alloc uinput ipv6 sdhci_pci sdhci mmc_core i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
[ 453.519288]
[ 453.521289] Pid: 0, comm: kworker/0:0 Not tainted 2.6.39-rc4+ #1 LENOVO 4170CTO/4170CTO
[ 453.523353] RIP: 0010:[<ffffffff81275d36>] [<ffffffff81275d36>] intel_idle+0xaa/0x100
[ 453.525377] RSP: 0018:ffff880071587e68 EFLAGS: 00000046
[ 453.527353] RAX: 0000000000000010 RBX: 0000000000000004 RCX: 0000000000000001
[ 453.529332] RDX: 0000000000000000 RSI: ffff880071587fd8 RDI: ffffffff81a0e640
[ 453.531303] RBP: ffff880071587eb8 R08: 00000000000004af R09: 00000000000003e5
[ 453.533276] R10: ffffffff00000001 R11: ffff880100253b40 R12: 0000000000000010
[ 453.535249] R13: 12187898d4512ee3 R14: 0000000000000002 R15: 0000000000000001
[ 453.537229] FS: 0000000000000000(0000) GS:ffff880100240000(0000) knlGS:0000000000000000
[ 453.539224] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 453.541210] CR2: 00000037d9071fa0 CR3: 0000000001a03000 CR4: 00000000000406e0
[ 453.543220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 453.545233] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 453.547239] Process kworker/0:0 (pid: 0, threadinfo ffff880071586000, task ffff880071589700)
[ 453.549274] Stack:
[ 453.551289] ffff880071587e88 ffffffff810731c0 ffff880100251290 0000000000011290
[ 453.553301] ffff880071587eb8 000000018139c97a ffffe8ffffc40170 ffffe8ffffc40170
[ 453.555257] ffffe8ffffc40240 0000000000000000 ffff880071587ef8 ffffffff8139b868
[ 453.557156] Call Trace:
[ 453.558980] [<ffffffff810731c0>] ? pm_qos_request+0x3e/0x45
[ 453.560817] [<ffffffff8139b868>] cpuidle_idle_call+0xe7/0x166
[ 453.562635] [<ffffffff81008321>] cpu_idle+0xa5/0xdf
[ 453.564438] [<ffffffff8146ae57>] start_secondary+0x223/0x225
[ 453.566227] Code: 28 e0 ff ff 80 e2 08 75 22 31 d2 48 83 c0 10 48 89 d1 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <e8> 23 09 e0 ff 4c 29 e8 48 89 c7 e8 ab 29 de ff 4c 69 e0 40 42
[ 453.570292] Call Trace:
[ 453.572196] [<ffffffff810731c0>] ? pm_qos_request+0x3e/0x45
[ 453.574117] [<ffffffff8139b868>] cpuidle_idle_call+0xe7/0x166
[ 453.576031] [<ffffffff81008321>] cpu_idle+0xa5/0xdf
[ 453.577924] [<ffffffff8146ae57>] start_secondary+0x223/0x225
[ 453.579811] NMI backtrace for cpu 0
[ 453.581279] CPU 0
[ 453.581289] Modules linked in: netconsole configfs cpufreq_ondemand acpi_cpufreq freq_table mperf snd_hda_codec_hdmi snd_hda_codec_conexant arc4 snd_hda_intel snd_hda_codec iwlagn snd_hwdep snd_seq mac80211 snd_seq_device uvcvideo btusb cfg80211 bluetooth wmi e1000e snd_pcm videodev rfkill i2c_i801 microcode iTCO_wdt iTCO_vendor_support xhci_hcd snd_timer v4l2_compat_ioctl32 joydev pcspkr snd soundcore snd_page_alloc uinput ipv6 sdhci_pci sdhci mmc_core i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
[ 453.587576]
[ 453.589160] Pid: 0, comm: swapper Not tainted 2.6.39-rc4+ #1 LENOVO 4170CTO/4170CTO
[ 453.590777] RIP: 0010:[<ffffffff8100f0fa>] [<ffffffff8100f0fa>] native_read_tsc+0x1/0x14
[ 453.592390] RSP: 0018:ffff880100203b98 EFLAGS: 00000883
[ 453.594001] RAX: 00000000f9ab6980 RBX: 0000000000002710 RCX: 0000000000000040
[ 453.595624] RDX: 000000000026066c RSI: 0000000000000100 RDI: 000000000026066d
[ 453.597250] RBP: ffff880100203ba8 R08: 000000008b000052 R09: 0000000000000000
[ 453.598872] R10: 0000000000000000 R11: 0000000000000003 R12: 000000000026066d
[ 453.600437] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000001
[ 453.601924] FS: 0000000000000000(0000) GS:ffff880100200000(0000) knlGS:0000000000000000
[ 453.603434] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 453.604942] CR2: 0000000000440360 CR3: 0000000001a03000 CR4: 00000000000406f0
[ 453.606460] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 453.607981] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 453.609597] Process swapper (pid: 0, threadinfo ffffffff81a00000, task ffffffff81a0b020)
[ 453.611134] Stack:
[ 453.612655] ffff880100203ba8 ffffffff81232dfe ffff880100203bd8 ffffffff81232ecb
[ 453.614176] 0000000000002710 0000000000000008 000000000000006c 0000000000000002
[ 453.615656] ffff880100203be8 ffffffff81232e49 ffff880100203bf8 ffffffff81232e77
[ 453.617101] Call Trace:
[ 453.618492] <IRQ>
[ 453.619874] [<ffffffff81232dfe>] ? paravirt_read_tsc+0xe/0x12
[ 453.621251] [<ffffffff81232ecb>] delay_tsc+0x27/0x74
[ 453.622613] [<ffffffff81232e49>] __delay+0xf/0x11
[ 453.623973] [<ffffffff81232e77>] __const_udelay+0x2c/0x2e
[ 453.625322] [<ffffffff8102166e>] arch_trigger_all_cpu_backtrace+0x76/0x88
[ 453.626673] [<ffffffff812be0ad>] sysrq_handle_showallcpus+0xe/0x10
[ 453.628027] [<ffffffff812be310>] __handle_sysrq+0xa2/0x13c
[ 453.629372] [<ffffffff812be514>] sysrq_filter+0x112/0x16e
[ 453.630706] [<ffffffff81365764>] input_pass_event+0x94/0xcc
[ 453.632028] [<ffffffff81366bf1>] input_handle_event+0x480/0x48f
[ 453.633342] [<ffffffff810483af>] ? walk_tg_tree.constprop.71+0x28/0x94
[ 453.634655] [<ffffffff81366cf2>] input_event+0x69/0x87
[ 453.635978] [<ffffffff8136c17b>] atkbd_interrupt+0x4c1/0x58e
[ 453.637283] [<ffffffff81361b2e>] serio_interrupt+0x45/0x7f
[ 453.638563] [<ffffffff81362870>] i8042_interrupt+0x299/0x2ab
[ 453.639830] [<ffffffff8100eb79>] ? native_sched_clock+0x34/0x36
[ 453.641092] [<ffffffff810a95d5>] handle_irq_event_percpu+0x5f/0x198
[ 453.642354] [<ffffffff810a9746>] handle_irq_event+0x38/0x56
[ 453.643598] [<ffffffff81022e0e>] ? ack_apic_edge+0x25/0x29
[ 453.644832] [<ffffffff810ab71a>] handle_edge_irq+0x9d/0xc0
[ 453.646069] [<ffffffff8100ab9d>] handle_irq+0x88/0x8e
[ 453.647299] [<ffffffff8148409d>] do_IRQ+0x4d/0xa5
[ 453.648527] [<ffffffff8147c253>] common_interrupt+0x13/0x13
[ 453.649695] <EOI>
[ 453.650794] [<ffffffff8100e6cd>] ? paravirt_read_tsc+0x9/0xd
[ 453.651911] [<ffffffff81275d67>] ? intel_idle+0xdb/0x100
[ 453.653025] [<ffffffff81275d46>] ? intel_idle+0xba/0x100
[ 453.654129] [<ffffffff8139b868>] cpuidle_idle_call+0xe7/0x166
[ 453.655231] [<ffffffff81008321>] cpu_idle+0xa5/0xdf
[ 453.656329] [<ffffffff8145a91e>] rest_init+0x72/0x74
[ 453.657417] [<ffffffff81b59b9f>] start_kernel+0x3de/0x3e9
[ 453.658514] [<ffffffff81b592c4>] x86_64_start_reservations+0xaf/0xb3
[ 453.659576] [<ffffffff81b59140>] ? early_idt_handlers+0x140/0x140
[ 453.660589] [<ffffffff81b593ca>] x86_64_start_kernel+0x102/0x111
[ 453.661559] Code: 21 00 00 e8 74 3d 22 00 5d c3 90 90 90 55 40 88 f8 48 89 e5 e6 70 e4 71 5d c3 55 40 88 f0 48 89 e5 e6 70 40 88 f8 e6 71 5d c3 55
[ 453.661721] 89 e5 0f 31 89 c1 48 89 d0 48 c1 e0 20 48 09 c8 5d c3 55 b2
[ 453.663728] Call Trace:
[ 453.664713] <IRQ> [<ffffffff81232dfe>] ? paravirt_read_tsc+0xe/0x12
[ 453.665710] [<ffffffff81232ecb>] delay_tsc+0x27/0x74
[ 453.666698] [<ffffffff81232e49>] __delay+0xf/0x11
[ 453.667686] [<ffffffff81232e77>] __const_udelay+0x2c/0x2e
[ 453.668675] [<ffffffff8102166e>] arch_trigger_all_cpu_backtrace+0x76/0x88
[ 453.669676] [<ffffffff812be0ad>] sysrq_handle_showallcpus+0xe/0x10
[ 453.670681] [<ffffffff812be310>] __handle_sysrq+0xa2/0x13c
[ 453.671676] [<ffffffff812be514>] sysrq_filter+0x112/0x16e
[ 453.672662] [<ffffffff81365764>] input_pass_event+0x94/0xcc
[ 453.673646] [<ffffffff81366bf1>] input_handle_event+0x480/0x48f
[ 453.674627] [<ffffffff810483af>] ? walk_tg_tree.constprop.71+0x28/0x94
[ 453.675614] [<ffffffff81366cf2>] input_event+0x69/0x87
[ 453.676587] [<ffffffff8136c17b>] atkbd_interrupt+0x4c1/0x58e
[ 453.677550] [<ffffffff81361b2e>] serio_interrupt+0x45/0x7f
[ 453.678498] [<ffffffff81362870>] i8042_interrupt+0x299/0x2ab
[ 453.679431] [<ffffffff8100eb79>] ? native_sched_clock+0x34/0x36
[ 453.680351] [<ffffffff810a95d5>] handle_irq_event_percpu+0x5f/0x198
[ 453.681270] [<ffffffff810a9746>] handle_irq_event+0x38/0x56
[ 453.682186] [<ffffffff81022e0e>] ? ack_apic_edge+0x25/0x29
[ 453.683100] [<ffffffff810ab71a>] handle_edge_irq+0x9d/0xc0
[ 453.684014] [<ffffffff8100ab9d>] handle_irq+0x88/0x8e
[ 453.684924] [<ffffffff8148409d>] do_IRQ+0x4d/0xa5
[ 453.685831] [<ffffffff8147c253>] common_interrupt+0x13/0x13
[ 453.686740] <EOI> [<ffffffff8100e6cd>] ? paravirt_read_tsc+0x9/0xd
[ 453.687655] [<ffffffff81275d67>] ? intel_idle+0xdb/0x100
[ 453.688573] [<ffffffff81275d46>] ? intel_idle+0xba/0x100
[ 453.689480] [<ffffffff8139b868>] cpuidle_idle_call+0xe7/0x166
[ 453.690387] [<ffffffff81008321>] cpu_idle+0xa5/0xdf
[ 453.691293] [<ffffffff8145a91e>] rest_init+0x72/0x74
[ 453.692195] [<ffffffff81b59b9f>] start_kernel+0x3de/0x3e9
[ 453.693095] [<ffffffff81b592c4>] x86_64_start_reservations+0xaf/0xb3
[ 453.693996] [<ffffffff81b59140>] ? early_idt_handlers+0x140/0x140
[ 453.694905] [<ffffffff81b593ca>] x86_64_start_kernel+0x102/0x111
[ 454.680802] SysRq : Show Blocked State
[ 454.683427] task PC stack pid father
[ 454.686058] systemd D 0000000000000000 0 1 0 0x00000000
[ 454.688752] ffff8801003bdcd8 0000000000000082 ffff8801003bdc88 ffffffff00000000
[ 454.691491] ffff880100370000 ffff8801003bdfd8 ffff8801003bdfd8 0000000000013b40
[ 454.694228] ffff8800715e1700 ffff880100370000 ffff8801003bdcb8 00000001811329db
[ 454.696969] Call Trace:
[ 454.699683] [<ffffffff8147ac4b>] schedule_timeout+0x34/0xde
[ 454.702447] [<ffffffff810ad618>] ? __call_rcu+0x123/0x12c
[ 454.705184] [<ffffffff810ad64d>] ? call_rcu_sched+0x15/0x17
[ 454.707906] [<ffffffff8147aa14>] wait_for_common+0xac/0x101
[ 454.710656] [<ffffffff8104c7af>] ? try_to_wake_up+0x226/0x226
[ 454.713445] [<ffffffff8147ab1d>] wait_for_completion+0x1d/0x1f
[ 454.716199] [<ffffffff810ada5a>] synchronize_sched+0x5a/0x5c
[ 454.718972] [<ffffffff8106bdb8>] ? find_ge_pid+0x43/0x43
[ 454.721766] [<ffffffff81090d05>] cgroup_diput+0x37/0xe3
[ 454.724562] [<ffffffff81090cce>] ? parse_cgroupfs_options+0x353/0x353
[ 454.727328] [<ffffffff8112fc79>] dentry_kill+0xfa/0x121
[ 454.730103] [<ffffffff81130189>] dput+0xdd/0xea
[ 454.732866] [<ffffffff8112aa68>] do_rmdir+0xc6/0xfe
[ 454.735481] [<ffffffff8111dc78>] ? filp_close+0x6e/0x7a
[ 454.737990] [<ffffffff8112b32f>] sys_rmdir+0x16/0x18
[ 454.740469] [<ffffffff81482642>] system_call_fastpath+0x16/0x1b
[ 454.742935] flush-253:2 D 0000000000000000 0 793 2 0x00000000
[ 454.745425] ffff88006355b710 0000000000000046 ffff88006355b6b0 ffffffff00000000
[ 454.747955] ffff880037ee9700 ffff88006355bfd8 ffff88006355bfd8 0000000000013b40
[ 454.750506] ffffffff81a0b020 ffff880037ee9700 ffff88006355b710 000000018106e7c3
[ 454.753048] Call Trace:
[ 454.755537] [<ffffffff811c82b8>] do_get_write_access+0x1c6/0x38d
[ 454.758071] [<ffffffff8106e88b>] ? autoremove_wake_function+0x3d/0x3d
[ 454.760644] [<ffffffff811c8588>] jbd2_journal_get_write_access+0x2b/0x42
[ 454.763206] [<ffffffff8118ea4f>] ? ext4_read_block_bitmap+0x54/0x2d0
[ 454.765770] [<ffffffff811b5888>] __ext4_journal_get_write_access+0x58/0x66
[ 454.768353] [<ffffffff811b8dbe>] ext4_mb_mark_diskspace_used+0x70/0x2ae
[ 454.770942] [<ffffffff811bb10e>] ext4_mb_new_blocks+0x1c8/0x3c2
[ 454.773501] [<ffffffff811b4628>] ext4_ext_map_blocks+0x1961/0x1c04
[ 454.776082] [<ffffffff8122ed78>] ? radix_tree_gang_lookup_tag_slot+0x81/0xa2
[ 454.778711] [<ffffffff810d55f9>] ? find_get_pages_tag+0x3b/0xd6
[ 454.781323] [<ffffffff811967fa>] ext4_map_blocks+0x112/0x1e7
[ 454.783894] [<ffffffff811984e8>] mpage_da_map_and_submit+0x93/0x2cd
[ 454.786491] [<ffffffff81198de5>] ext4_da_writepages+0x2c1/0x44d
[ 454.789090] [<ffffffff810ddeb4>] do_writepages+0x21/0x2a
[ 454.791703] [<ffffffff8113cbb7>] writeback_single_inode+0xb2/0x1bc
[ 454.794334] [<ffffffff8113cf03>] writeback_sb_inodes+0xcd/0x161
[ 454.796962] [<ffffffff8113d407>] writeback_inodes_wb+0x119/0x12b
[ 454.799582] [<ffffffff8113d607>] wb_writeback+0x1ee/0x335
[ 454.802204] [<ffffffff81080be3>] ? arch_local_irq_save+0x15/0x1b
[ 454.804803] [<ffffffff8147be3a>] ? _raw_spin_lock_irqsave+0x12/0x2f
[ 454.807427] [<ffffffff8113d891>] wb_do_writeback+0x143/0x19d
[ 454.810077] [<ffffffff8147acc7>] ? schedule_timeout+0xb0/0xde
[ 454.812776] [<ffffffff8113d973>] bdi_writeback_thread+0x88/0x1e5
[ 454.815464] [<ffffffff8113d8eb>] ? wb_do_writeback+0x19d/0x19d
[ 454.818129] [<ffffffff8106e157>] kthread+0x84/0x8c
[ 454.820808] [<ffffffff81483764>] kernel_thread_helper+0x4/0x10
[ 454.823452] [<ffffffff8106e0d3>] ? kthread_worker_fn+0x148/0x148
[ 454.826103] [<ffffffff81483760>] ? gs_change+0x13/0x13
[ 454.828711] jbd2/dm-2-8 D 0000000000000000 0 799 2 0x00000000
[ 454.831390] ffff88006d59db10 0000000000000046 ffff88006d59daa0 ffffffff00000000
[ 454.834094] ffff88006deb4500 ffff88006d59dfd8 ffff88006d59dfd8 0000000000013b40
[ 454.836788] ffffffff81a0b020 ffff88006deb4500 ffff88006d59dad0 000000016d59dad0
[ 454.839453] Call Trace:
[ 454.842098] [<ffffffff810d5904>] ? lock_page+0x3e/0x3e
[ 454.844738] [<ffffffff810d5904>] ? lock_page+0x3e/0x3e
[ 454.847303] [<ffffffff8147a7c9>] io_schedule+0x63/0x7e
[ 454.849877] [<ffffffff810d5912>] sleep_on_page+0xe/0x12
[ 454.852469] [<ffffffff8147aea9>] __wait_on_bit+0x48/0x7b
[ 454.855021] [<ffffffff810d5a8c>] wait_on_page_bit+0x72/0x74
[ 454.857583] [<ffffffff8106e88b>] ? autoremove_wake_function+0x3d/0x3d
[ 454.860171] [<ffffffff810d5b6b>] filemap_fdatawait_range+0x84/0x163
[ 454.862744] [<ffffffff810d5c6e>] filemap_fdatawait+0x24/0x26
[ 454.865299] [<ffffffff811c94a2>] jbd2_journal_commit_transaction+0x922/0x1194
[ 454.867892] [<ffffffff81008714>] ? __switch_to+0xc6/0x220
[ 454.870496] [<ffffffff811cd3b6>] kjournald2+0xc9/0x20a
[ 454.873103] [<ffffffff8106e84e>] ? remove_wait_queue+0x3a/0x3a
[ 454.875690] [<ffffffff811cd2ed>] ? commit_timeout+0x10/0x10
[ 454.878327] [<ffffffff8106e157>] kthread+0x84/0x8c
[ 454.880961] [<ffffffff81483764>] kernel_thread_helper+0x4/0x10
[ 454.883604] [<ffffffff8106e0d3>] ? kthread_worker_fn+0x148/0x148
[ 454.886262] [<ffffffff81483760>] ? gs_change+0x13/0x13
[ 454.888875] tar D ffff88006e573af8 0 991 838 0x00000000
[ 454.891546] ffff880037f5b8a8 0000000000000086 ffff8801002a1d40 0000000000000282
[ 454.894213] ffff88006d644500 ffff880037f5bfd8 ffff880037f5bfd8 0000000000013b40
[ 454.896889] ffff8801002b4500 ffff88006d644500 ffff880037f5b8a8 ffffffff8106e7c3
[ 454.899530] Call Trace:
[ 454.902118] [<ffffffff8106e7c3>] ? prepare_to_wait+0x6c/0x78
[ 454.904724] [<ffffffff811c82b8>] do_get_write_access+0x1c6/0x38d
[ 454.907344] [<ffffffff8106e88b>] ? autoremove_wake_function+0x3d/0x3d
[ 454.909967] [<ffffffff811991cc>] ? ext4_dirty_inode+0x33/0x4c
[ 454.912574] [<ffffffff811c8588>] jbd2_journal_get_write_access+0x2b/0x42
[ 454.915192] [<ffffffff811b5888>] __ext4_journal_get_write_access+0x58/0x66
[ 454.917819] [<ffffffff81195526>] ext4_reserve_inode_write+0x41/0x83
[ 454.920459] [<ffffffff811955e4>] ext4_mark_inode_dirty+0x7c/0x1f0
[ 454.923070] [<ffffffff811991cc>] ext4_dirty_inode+0x33/0x4c
[ 454.925660] [<ffffffff8113c3d6>] __mark_inode_dirty+0x2f/0x175
[ 454.928247] [<ffffffff81143a0d>] generic_write_end+0x6c/0x7e
[ 454.930865] [<ffffffff811983f6>] ext4_da_write_end+0x1a5/0x204
[ 454.933454] [<ffffffff810d5e9d>] generic_file_buffered_write+0x17e/0x23a
[ 454.936062] [<ffffffff810d6c9d>] __generic_file_aio_write+0x242/0x272
[ 454.938648] [<ffffffff810d6d2e>] generic_file_aio_write+0x61/0xba
[ 454.941288] [<ffffffff8118fe00>] ext4_file_write+0x1dc/0x234
[ 454.943909] [<ffffffff8111edab>] do_sync_write+0xbf/0xff
[ 454.946501] [<ffffffff8114b9fc>] ? fsnotify+0x1eb/0x217
[ 454.949114] [<ffffffff811f1866>] ? selinux_file_permission+0x58/0xb4
[ 454.951736] [<ffffffff811e9cfe>] ? security_file_permission+0x2e/0x33
[ 454.954349] [<ffffffff8111f196>] ? rw_verify_area+0xb0/0xcd
[ 454.956943] [<ffffffff8111f421>] vfs_write+0xac/0xf3
[ 454.959530] [<ffffffff8111f610>] sys_write+0x4a/0x6e
[ 454.962129] [<ffffffff81482642>] system_call_fastpath+0x16/0x1b
[ 454.964732] dhclient-script D 0000000000000000 0 2856 2855 0x00000000
[ 454.967360] ffff88006e1f5b18 0000000000000082 ffff8800378da880 0000000000000000
[ 454.970056] ffff88006deb1700 ffff88006e1f5fd8 ffff88006e1f5fd8 0000000000013b40
[ 454.972706] ffff880071589700 ffff88006deb1700 ffff88006e1f5ad8 000000016e1f5ad8
[ 454.975323] Call Trace:
[ 454.977882] [<ffffffff810d5916>] ? sleep_on_page+0x12/0x12
[ 454.980477] [<ffffffff8147a7c9>] io_schedule+0x63/0x7e
[ 454.983063] [<ffffffff810d5924>] sleep_on_page_killable+0xe/0x3b
[ 454.985622] [<ffffffff8147ad9b>] __wait_on_bit_lock+0x46/0x8f
[ 454.988182] [<ffffffff810d5819>] __lock_page_killable+0x66/0x68
[ 454.990785] [<ffffffff8106e88b>] ? autoremove_wake_function+0x3d/0x3d
[ 454.993436] [<ffffffff810d5859>] lock_page_killable+0x3e/0x43
[ 454.996099] [<ffffffff810d71ea>] generic_file_aio_read+0x463/0x640
[ 454.998730] [<ffffffff8111eeaa>] do_sync_read+0xbf/0xff
[ 455.001383] [<ffffffff811ebc34>] ? avc_has_perm+0x51/0x63
[ 455.004012] [<ffffffff811e9cfe>] ? security_file_permission+0x2e/0x33
[ 455.006644] [<ffffffff8111f196>] ? rw_verify_area+0xb0/0xcd
[ 455.009289] [<ffffffff8111f511>] vfs_read+0xa9/0xf0
[ 455.011917] [<ffffffff811233eb>] kernel_read+0x41/0x4f
[ 455.014511] [<ffffffff811234dd>] prepare_binprm+0xe4/0xe8
[ 455.017094] [<ffffffff81124d40>] do_execve+0x114/0x277
[ 455.019678] [<ffffffff8100ff91>] sys_execve+0x43/0x5a
[ 455.022281] [<ffffffff81482a9c>] stub_execve+0x6c/0xc0
[ 455.024888] Sched Debug Version: v0.10, 2.6.39-rc4+ #1
[ 455.027487] ktime : 455879.226285
[ 455.030142] sched_clk : 455024.886257
[ 455.032786] cpu_clk : 455024.886397
[ 455.035352] jiffies : 4295123185
[ 455.037904] sched_clock_stable : 1
[ 455.040413]
[ 455.042892] sysctl_sched
[ 455.045306] .sysctl_sched_latency : 18.000000
[ 455.047775] .sysctl_sched_min_granularity : 2.250000
[ 455.050206] .sysctl_sched_wakeup_granularity : 3.000000
[ 455.052643] .sysctl_sched_child_runs_first : 0
[ 455.055034] .sysctl_sched_features : 7279
[ 455.057423] .sysctl_sched_tunable_scaling : 1 (logaritmic)
[ 455.059829]
[ 455.059830] cpu#0, 2491.994 MHz
[ 455.064443] .nr_running : 0
[ 455.066757] .load : 0
[ 455.069054] .nr_switches : 146510
[ 455.071353] .nr_load_updates : 233084
[ 455.073642] .nr_uninterruptible : 2
[ 455.075894] .next_balance : 4295.122831
[ 455.078152] .curr->pid : 0
[ 455.080396] .clock : 454680.481348
[ 455.082634] .cpu_load[0] : 0
[ 455.084867] .cpu_load[1] : 0
[ 455.087065] .cpu_load[2] : 0
[ 455.089233] .cpu_load[3] : 0
[ 455.091390] .cpu_load[4] : 0
[ 455.093499] .yld_count : 0
[ 455.095605] .sched_switch : 0
[ 455.097667] .sched_count : 149062
[ 455.099765] .sched_goidle : 62756
[ 455.101781] .avg_idle : 1000000
[ 455.103807] .ttwu_count : 77219
[ 455.105958] .ttwu_local : 74144
[ 455.107957] .bkl_count : 0
[ 455.109914]
[ 455.109915] cfs_rq[0]:/
[ 455.113642] .exec_clock : 20017.048374
[ 455.115515] .MIN_vruntime : 0.000001
[ 455.117353] .min_vruntime : 28900.800090
[ 455.119185] .max_vruntime : 0.000001
[ 455.121028] .spread : 0.000000
[ 455.122820] .spread0 : 0.000000
[ 455.124581] .nr_spread_over : 54
[ 455.126318] .nr_running : 0
[ 455.128045] .load : 0
[ 455.129743] .load_avg : 0.000000
[ 455.131414] .load_period : 0.000000
[ 455.133052] .load_contrib : 0
[ 455.134692] .load_tg : 0
[ 455.136305]
[ 455.136306] runnable tasks:
[ 455.136307] task PID tree-key switches prio exec-runtime sum-exec sum-sleep
[ 455.136310] ----------------------------------------------------------------------------------------------------------
[ 455.142856]
[ 455.142857] cpu#1, 2491.994 MHz
[ 455.146215] .nr_running : 0
[ 455.147931] .load : 0
[ 455.149648] .nr_switches : 62175
[ 455.151348] .nr_load_updates : 217324
[ 455.153045] .nr_uninterruptible : 2
[ 455.154747] .next_balance : 4295.123306
[ 455.156457] .curr->pid : 0
[ 455.158149] .clock : 455157.364642
[ 455.159867] .cpu_load[0] : 0
[ 455.161594] .cpu_load[1] : 0
[ 455.163283] .cpu_load[2] : 0
[ 455.164954] .cpu_load[3] : 0
[ 455.166575] .cpu_load[4] : 0
[ 455.168185] .yld_count : 60
[ 455.169791] .sched_switch : 0
[ 455.171401] .sched_count : 62899
[ 455.172984] .sched_goidle : 27394
[ 455.174580] .avg_idle : 1000000
[ 455.176171] .ttwu_count : 30510
[ 455.177739] .ttwu_local : 25277
[ 455.179292] .bkl_count : 0
[ 455.180882]
[ 455.180883] cfs_rq[1]:/
[ 455.183954] .exec_clock : 10655.021809
[ 455.185550] .MIN_vruntime : 0.000001
[ 455.187141] .min_vruntime : 19718.135550
[ 455.188771] .max_vruntime : 0.000001
[ 455.190407] .spread : 0.000000
[ 455.192016] .spread0 : -9182.664540
[ 455.193634] .nr_spread_over : 80
[ 455.195242] .nr_running : 0
[ 455.196848] .load : 0
[ 455.198441] .load_avg : 0.000000
[ 455.200059] .load_period : 0.000000
[ 455.201654] .load_contrib : 0
[ 455.203240] .load_tg : 0
[ 455.204836]
[ 455.204837] runnable tasks:
[ 455.204838] task PID tree-key switches prio exec-runtime sum-exec sum-sleep
[ 455.204841] ----------------------------------------------------------------------------------------------------------
[ 455.211403]
[ 455.211404] cpu#2, 2491.994 MHz
[ 455.214958] .nr_running : 0
[ 455.216771] .load : 0
[ 455.218564] .nr_switches : 37444
[ 455.220394] .nr_load_updates : 219042
[ 455.222202] .nr_uninterruptible : 0
[ 455.224039] .next_balance : 4295.123375
[ 455.225897] .curr->pid : 0
[ 455.227769] .clock : 455227.204963
[ 455.229681] .cpu_load[0] : 0
[ 455.231548] .cpu_load[1] : 0
[ 455.233353] .cpu_load[2] : 0
[ 455.235059] .cpu_load[3] : 0
[ 455.236676] .cpu_load[4] : 0
[ 455.238280] .yld_count : 0
[ 455.239879] .sched_switch : 0
[ 455.241471] .sched_count : 37815
[ 455.243075] .sched_goidle : 16831
[ 455.244674] .avg_idle : 1000000
[ 455.246270] .ttwu_count : 18348
[ 455.247849] .ttwu_local : 16899
[ 455.249430] .bkl_count : 0
[ 455.250992]
[ 455.250993] cfs_rq[2]:/
[ 455.254040] .exec_clock : 6758.351942
[ 455.255630] .MIN_vruntime : 0.000001
[ 455.257236] .min_vruntime : 13719.942866
[ 455.258861] .max_vruntime : 0.000001
[ 455.260497] .spread : 0.000000
[ 455.262122] .spread0 : -15180.857224
[ 455.263753] .nr_spread_over : 21
[ 455.265389] .nr_running : 0
[ 455.267018] .load : 0
[ 455.268637] .load_avg : 0.000000
[ 455.270292] .load_period : 0.000000
[ 455.271911] .load_contrib : 0
[ 455.273530] .load_tg : 0
[ 455.275163]
[ 455.275165] runnable tasks:
[ 455.275166] task PID tree-key switches prio exec-runtime sum-exec sum-sleep
[ 455.275169] ----------------------------------------------------------------------------------------------------------
[ 455.281810]
[ 455.281811] cpu#3, 2491.994 MHz
[ 455.285349] .nr_running : 4
[ 455.287149] .load : 2048
[ 455.288952] .nr_switches : 30358
[ 455.290787] .nr_load_updates : 223302
[ 455.292599] .nr_uninterruptible : 1
[ 455.294419] .next_balance : 4295.123506
[ 455.296250] .curr->pid : 46
[ 455.298090] .clock : 431792.394314
[ 455.299953] .cpu_load[0] : 2048
[ 455.301810] .cpu_load[1] : 2048
[ 455.303610] .cpu_load[2] : 2048
[ 455.305311] .cpu_load[3] : 2048
[ 455.306926] .cpu_load[4] : 2048
[ 455.308531] .yld_count : 63
[ 455.310130] .sched_switch : 0
[ 455.311723] .sched_count : 30824
[ 455.313315] .sched_goidle : 13491
[ 455.314904] .avg_idle : 1000000
[ 455.316481] .ttwu_count : 13858
[ 455.318057] .ttwu_local : 12507
[ 455.319629] .bkl_count : 0
[ 455.321187]
[ 455.321188] cfs_rq[3]:/
[ 455.324213] .exec_clock : 5334.144946
[ 455.325795] .MIN_vruntime : 13295.262803
[ 455.327401] .min_vruntime : 13302.523317
[ 455.329046] .max_vruntime : 13295.262803
[ 455.330656] .spread : 0.000000
[ 455.332297] .spread0 : -15598.276773
[ 455.333925] .nr_spread_over : 117
[ 455.335577] .nr_running : 2
[ 455.337204] .load : 2048
[ 455.338823] .load_avg : 0.000000
[ 455.340476] .load_period : 0.000000
[ 455.342094] .load_contrib : 0
[ 455.343702] .load_tg : 0
[ 455.345302]
[ 455.345303] rt_rq[3]:/
[ 455.348416] .rt_nr_running : 1
[ 455.350006] .rt_throttled : 0
[ 455.351587] .rt_time : 0.000000
[ 455.353173] .rt_runtime : 950.000000
[ 455.354759]
[ 455.354760] runnable tasks:
[ 455.354761] task PID tree-key switches prio exec-runtime sum-exec sum-sleep
[ 455.354764] ----------------------------------------------------------------------------------------------------------
[ 455.361357] migration/3 17 0.000000 1084 0 0.000000 0.000933 0.000000 /
[ 455.363278] watchdog/3 20 0.000000 31 0 0.000000 0.780405 0.002351 /
[ 455.365212] R kswapd0 46 13302.523317 714 120 13302.523317 1148.767369 245855.504389 /
[ 455.367220] kworker/3:1 74 13295.262803 10488 120 13295.262803 324.924994 315669.659686 /
[ 455.369317]



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