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Subject: Re: [BUG] fatal hang untarring 90GB file, possibly writeback
 related.
From: Colin Ian King <colin.king@ubuntu.com>
To: Chris Mason <chris.mason@oracle.com>
Cc: James Bottomley <james.bottomley@suse.de>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        linux-mm <linux-mm@kvack.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        linux-ext4 <linux-ext4@vger.kernel.org>
In-Reply-To: <1303998300-sup-4941@think>
References: <1303920553.2583.7.camel@mulgrave.site>
	 <1303921583-sup-4021@think> <1303923000.2583.8.camel@mulgrave.site>
	 <1303923177-sup-2603@think> <1303924902.2583.13.camel@mulgrave.site>
	 <1303925374-sup-7968@think> <1303926637.2583.17.camel@mulgrave.site>
	 <1303934716.2583.22.camel@mulgrave.site> <1303990590.2081.9.camel@lenovo>
	 <1303993705-sup-5213@think> <1303998140.2081.11.camel@lenovo>
	 <1303998300-sup-4941@think>
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Date: Thu, 28 Apr 2011 15:01:22 +0100
Message-ID: <1303999282.2081.15.camel@lenovo>
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> Could you post the soft lockups you're seeing?

As requested, attached

Colin
> 
> -chris
> --
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Content-Disposition: attachment; filename="call-trace.log"
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Apr 28 14:35:35 ubuntu kernel: [  257.112169] INFO: task unity-panel-ser:1521 blocked for more than 30 seconds.
Apr 28 14:46:15 ubuntu kernel: [  257.112179] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 28 14:46:15 ubuntu kernel: [  257.112182] unity-panel-ser D 0000000000000000     0  1521      1 0x00000000
Apr 28 14:46:15 ubuntu kernel: [  257.112186]  ffff880061f37b68 0000000000000082 ffff880061f37fd8 ffff880061f36000
Apr 28 14:46:15 ubuntu kernel: [  257.112190]  0000000000013d00 ffff880068c7c858 ffff880061f37fd8 0000000000013d00
Apr 28 14:46:15 ubuntu kernel: [  257.112194]  ffff88003591c4a0 ffff880068c7c4a0 ffff88001fff0c88 ffff88001fc13d00
Apr 28 14:46:15 ubuntu kernel: [  257.112198] Call Trace:
Apr 28 14:46:15 ubuntu kernel: [  257.112205]  [<ffffffff8110c070>] ? sync_page+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  257.112210]  [<ffffffff815c0990>] io_schedule+0x70/0xc0
Apr 28 14:46:15 ubuntu kernel: [  257.112213]  [<ffffffff8110c0b0>] sync_page+0x40/0x50
Apr 28 14:46:15 ubuntu kernel: [  257.112216]  [<ffffffff815c130f>] __wait_on_bit+0x5f/0x90
Apr 28 14:46:15 ubuntu kernel: [  257.112220]  [<ffffffff8110c278>] wait_on_page_bit+0x78/0x80
Apr 28 14:46:15 ubuntu kernel: [  257.112223]  [<ffffffff81087f70>] ? wake_bit_function+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  257.112227]  [<ffffffff8110dffd>] __lock_page_or_retry+0x3d/0x70
Apr 28 14:46:15 ubuntu kernel: [  257.112230]  [<ffffffff8110e3c7>] filemap_fault+0x397/0x4a0
Apr 28 14:46:15 ubuntu kernel: [  257.112234]  [<ffffffff8112d144>] __do_fault+0x54/0x520
Apr 28 14:46:15 ubuntu kernel: [  257.112237]  [<ffffffff811309da>] handle_pte_fault+0xfa/0x210
Apr 28 14:46:15 ubuntu kernel: [  257.112240]  [<ffffffff8111561d>] ? __free_pages+0x2d/0x40
Apr 28 14:46:15 ubuntu kernel: [  257.112242]  [<ffffffff8112de4f>] ? __pte_alloc+0xdf/0x100
Apr 28 14:46:15 ubuntu kernel: [  257.112245]  [<ffffffff81131d5d>] handle_mm_fault+0x16d/0x250
Apr 28 14:46:15 ubuntu kernel: [  257.112249]  [<ffffffff815c6a47>] do_page_fault+0x1a7/0x540
Apr 28 14:46:15 ubuntu kernel: [  257.112252]  [<ffffffff81136f85>] ? do_mmap_pgoff+0x335/0x370
Apr 28 14:46:15 ubuntu kernel: [  257.112255]  [<ffffffff815c34d5>] page_fault+0x25/0x30
Apr 28 14:46:15 ubuntu kernel: [  257.112260] INFO: task jbd2/sda4-8:1845 blocked for more than 30 seconds.
Apr 28 14:46:15 ubuntu kernel: [  257.112262] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 28 14:46:15 ubuntu kernel: [  257.112264] jbd2/sda4-8     D 0000000000000000     0  1845      2 0x00000000
Apr 28 14:46:15 ubuntu kernel: [  257.112267]  ffff880068f6baf0 0000000000000046 ffff880068f6bfd8 ffff880068f6a000
Apr 28 14:46:15 ubuntu kernel: [  257.112271]  0000000000013d00 ffff880061d603b8 ffff880068f6bfd8 0000000000013d00
Apr 28 14:46:15 ubuntu kernel: [  257.112275]  ffff88003591c4a0 ffff880061d60000 ffff88001fff8548 ffff88001fc13d00
Apr 28 14:46:15 ubuntu kernel: [  257.112279] Call Trace:
Apr 28 14:46:15 ubuntu kernel: [  257.112282]  [<ffffffff8110c070>] ? sync_page+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  257.112285]  [<ffffffff815c0990>] io_schedule+0x70/0xc0
Apr 28 14:46:15 ubuntu kernel: [  257.112288]  [<ffffffff8110c0b0>] sync_page+0x40/0x50
Apr 28 14:46:15 ubuntu kernel: [  257.112291]  [<ffffffff815c130f>] __wait_on_bit+0x5f/0x90
Apr 28 14:46:15 ubuntu kernel: [  257.112294]  [<ffffffff8110c278>] wait_on_page_bit+0x78/0x80
Apr 28 14:46:15 ubuntu kernel: [  257.112297]  [<ffffffff81087f70>] ? wake_bit_function+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  257.112300]  [<ffffffff8110c41d>] filemap_fdatawait_range+0xfd/0x190
Apr 28 14:46:15 ubuntu kernel: [  257.112304]  [<ffffffff8110c4db>] filemap_fdatawait+0x2b/0x30
Apr 28 14:46:15 ubuntu kernel: [  257.112307]  [<ffffffff81242a93>] journal_finish_inode_data_buffers+0x63/0x170
Apr 28 14:46:15 ubuntu kernel: [  257.112311]  [<ffffffff81243284>] jbd2_journal_commit_transaction+0x6e4/0x1190
Apr 28 14:46:15 ubuntu kernel: [  257.112315]  [<ffffffff81076185>] ? try_to_del_timer_sync+0x85/0xe0
Apr 28 14:46:15 ubuntu kernel: [  257.112319]  [<ffffffff81247e9b>] kjournald2+0xbb/0x220
Apr 28 14:46:15 ubuntu kernel: [  257.112322]  [<ffffffff81087f30>] ? autoremove_wake_function+0x0/0x40
Apr 28 14:46:15 ubuntu kernel: [  257.112325]  [<ffffffff81247de0>] ? kjournald2+0x0/0x220
Apr 28 14:46:15 ubuntu kernel: [  257.112328]  [<ffffffff810877e6>] kthread+0x96/0xa0
Apr 28 14:46:15 ubuntu kernel: [  257.112332]  [<ffffffff8100ce24>] kernel_thread_helper+0x4/0x10
Apr 28 14:46:15 ubuntu kernel: [  257.112335]  [<ffffffff81087750>] ? kthread+0x0/0xa0
Apr 28 14:46:15 ubuntu kernel: [  257.112337]  [<ffffffff8100ce20>] ? kernel_thread_helper+0x0/0x10
Apr 28 14:46:15 ubuntu kernel: [  257.112340] INFO: task dirname:5969 blocked for more than 30 seconds.
Apr 28 14:46:15 ubuntu kernel: [  257.112341] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 28 14:46:15 ubuntu kernel: [  257.112343] dirname         D 0000000000000002     0  5969   5214 0x00000000
Apr 28 14:46:15 ubuntu kernel: [  257.112347]  ffff88005bd9d8b8 0000000000000086 ffff88005bd9dfd8 ffff88005bd9c000
Apr 28 14:46:15 ubuntu kernel: [  257.112351]  0000000000013d00 ffff88005d65b178 ffff88005bd9dfd8 0000000000013d00
Apr 28 14:46:15 ubuntu kernel: [  257.112354]  ffff8801005e5b80 ffff88005d65adc0 ffff88001ffe5228 ffff88001fc53d00
Apr 28 14:46:15 ubuntu kernel: [  257.112358] Call Trace:
Apr 28 14:46:15 ubuntu kernel: [  257.112361]  [<ffffffff8110c070>] ? sync_page+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  257.112364]  [<ffffffff815c0990>] io_schedule+0x70/0xc0
Apr 28 14:46:15 ubuntu kernel: [  257.112367]  [<ffffffff8110c0b0>] sync_page+0x40/0x50
Apr 28 14:46:15 ubuntu kernel: [  257.112370]  [<ffffffff815c130f>] __wait_on_bit+0x5f/0x90
Apr 28 14:46:15 ubuntu kernel: [  257.112373]  [<ffffffff8110c278>] wait_on_page_bit+0x78/0x80
Apr 28 14:46:15 ubuntu kernel: [  257.112376]  [<ffffffff81087f70>] ? wake_bit_function+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  257.112380]  [<ffffffff8110dffd>] __lock_page_or_retry+0x3d/0x70
Apr 28 14:46:15 ubuntu kernel: [  257.112383]  [<ffffffff8110e3c7>] filemap_fault+0x397/0x4a0
Apr 28 14:46:15 ubuntu kernel: [  257.112386]  [<ffffffff8112d144>] __do_fault+0x54/0x520
Apr 28 14:46:15 ubuntu kernel: [  257.112389]  [<ffffffff811309da>] handle_pte_fault+0xfa/0x210
Apr 28 14:46:15 ubuntu kernel: [  257.112392]  [<ffffffff810442a7>] ? pte_alloc_one+0x37/0x50
Apr 28 14:46:15 ubuntu kernel: [  257.112395]  [<ffffffff815c2cce>] ? _raw_spin_lock+0xe/0x20
Apr 28 14:46:15 ubuntu kernel: [  257.112398]  [<ffffffff8112de25>] ? __pte_alloc+0xb5/0x100
Apr 28 14:46:15 ubuntu kernel: [  257.112400]  [<ffffffff81131d5d>] handle_mm_fault+0x16d/0x250
Apr 28 14:46:15 ubuntu kernel: [  257.112403]  [<ffffffff815c6a47>] do_page_fault+0x1a7/0x540
Apr 28 14:46:15 ubuntu kernel: [  257.112407]  [<ffffffff81136947>] ? mmap_region+0x1f7/0x500
Apr 28 14:46:15 ubuntu kernel: [  257.112409]  [<ffffffff8112db06>] ? free_pgd_range+0x356/0x4a0
Apr 28 14:46:15 ubuntu kernel: [  257.112412]  [<ffffffff815c34d5>] page_fault+0x25/0x30
Apr 28 14:46:15 ubuntu kernel: [  257.112416]  [<ffffffff812e6d5f>] ? __clear_user+0x3f/0x70
Apr 28 14:46:15 ubuntu kernel: [  257.112419]  [<ffffffff812e6d41>] ? __clear_user+0x21/0x70
Apr 28 14:46:15 ubuntu kernel: [  257.112422]  [<ffffffff812e6dc6>] clear_user+0x36/0x40
Apr 28 14:46:15 ubuntu kernel: [  257.112426]  [<ffffffff811b0b6d>] padzero+0x2d/0x40
Apr 28 14:46:15 ubuntu kernel: [  257.112428]  [<ffffffff811b2c7a>] load_elf_binary+0x95a/0xe00
Apr 28 14:46:15 ubuntu kernel: [  257.112432]  [<ffffffff8116aa8a>] search_binary_handler+0xda/0x300
Apr 28 14:46:15 ubuntu kernel: [  257.112435]  [<ffffffff811b2320>] ? load_elf_binary+0x0/0xe00
Apr 28 14:46:15 ubuntu kernel: [  257.112438]  [<ffffffff8116c49c>] do_execve+0x24c/0x2d0
Apr 28 14:46:15 ubuntu kernel: [  257.112441]  [<ffffffff8101521a>] sys_execve+0x4a/0x80
Apr 28 14:46:15 ubuntu kernel: [  257.112444]  [<ffffffff8100c45c>] stub_execve+0x6c/0xc0
Apr 28 14:46:15 ubuntu kernel: [  287.088371] INFO: task rs:main Q:Reg:749 blocked for more than 30 seconds.
Apr 28 14:46:15 ubuntu kernel: [  287.088374] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 28 14:46:15 ubuntu kernel: [  287.088376] rs:main Q:Reg   D 0000000000000000     0   749      1 0x00000000
Apr 28 14:46:15 ubuntu kernel: [  287.088381]  ffff880072c17b68 0000000000000082 ffff880072c17fd8 ffff880072c16000
Apr 28 14:46:15 ubuntu kernel: [  287.088392]  0000000000013d00 ffff88003591b178 ffff880072c17fd8 0000000000013d00
Apr 28 14:46:15 ubuntu kernel: [  287.088396]  ffffffff81a0b020 ffff88003591adc0 ffff88001fffc3e8 ffff88001fc13d00
Apr 28 14:46:15 ubuntu kernel: [  287.088400] Call Trace:
Apr 28 14:46:15 ubuntu kernel: [  287.088404]  [<ffffffff8110c070>] ? sync_page+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088408]  [<ffffffff815c0990>] io_schedule+0x70/0xc0
Apr 28 14:46:15 ubuntu kernel: [  287.088411]  [<ffffffff8110c0b0>] sync_page+0x40/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088414]  [<ffffffff815c130f>] __wait_on_bit+0x5f/0x90
Apr 28 14:46:15 ubuntu kernel: [  287.088418]  [<ffffffff8110c278>] wait_on_page_bit+0x78/0x80
Apr 28 14:46:15 ubuntu kernel: [  287.088421]  [<ffffffff81087f70>] ? wake_bit_function+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088425]  [<ffffffff8110dffd>] __lock_page_or_retry+0x3d/0x70
Apr 28 14:46:15 ubuntu kernel: [  287.088428]  [<ffffffff8110e3c7>] filemap_fault+0x397/0x4a0
Apr 28 14:46:15 ubuntu kernel: [  287.088431]  [<ffffffff8112d144>] __do_fault+0x54/0x520
Apr 28 14:46:15 ubuntu kernel: [  287.088434]  [<ffffffff81134a43>] ? unmap_region+0x113/0x170
Apr 28 14:46:15 ubuntu kernel: [  287.088437]  [<ffffffff812ded90>] ? prio_tree_insert+0x150/0x1c0
Apr 28 14:46:15 ubuntu kernel: [  287.088440]  [<ffffffff811309da>] handle_pte_fault+0xfa/0x210
Apr 28 14:46:15 ubuntu kernel: [  287.088442]  [<ffffffff810442a7>] ? pte_alloc_one+0x37/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088446]  [<ffffffff815c2cce>] ? _raw_spin_lock+0xe/0x20
Apr 28 14:46:15 ubuntu kernel: [  287.088448]  [<ffffffff8112de25>] ? __pte_alloc+0xb5/0x100
Apr 28 14:46:15 ubuntu kernel: [  287.088451]  [<ffffffff81131d5d>] handle_mm_fault+0x16d/0x250
Apr 28 14:46:15 ubuntu kernel: [  287.088454]  [<ffffffff815c6a47>] do_page_fault+0x1a7/0x540
Apr 28 14:46:15 ubuntu kernel: [  287.088457]  [<ffffffff81136f85>] ? do_mmap_pgoff+0x335/0x370
Apr 28 14:46:15 ubuntu kernel: [  287.088460]  [<ffffffff81137127>] ? sys_mmap_pgoff+0x167/0x230
Apr 28 14:46:15 ubuntu kernel: [  287.088463]  [<ffffffff815c34d5>] page_fault+0x25/0x30
Apr 28 14:46:15 ubuntu kernel: [  287.088466] INFO: task NetworkManager:764 blocked for more than 30 seconds.
Apr 28 14:46:15 ubuntu kernel: [  287.088468] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 28 14:46:15 ubuntu kernel: [  287.088470] NetworkManager  D 0000000000000002     0   764      1 0x00000000
Apr 28 14:46:15 ubuntu kernel: [  287.088473]  ffff880074ffbb68 0000000000000082 ffff880074ffbfd8 ffff880074ffa000
Apr 28 14:46:15 ubuntu kernel: [  287.088477]  0000000000013d00 ffff880036051a98 ffff880074ffbfd8 0000000000013d00
Apr 28 14:46:15 ubuntu kernel: [  287.088481]  ffff8801005badc0 ffff8800360516e0 ffff88001ffef128 ffff88001fc53d00
Apr 28 14:46:15 ubuntu kernel: [  287.088484] Call Trace:
Apr 28 14:46:15 ubuntu kernel: [  287.088488]  [<ffffffff8110c070>] ? sync_page+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088491]  [<ffffffff815c0990>] io_schedule+0x70/0xc0
Apr 28 14:46:15 ubuntu kernel: [  287.088494]  [<ffffffff8110c0b0>] sync_page+0x40/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088497]  [<ffffffff815c130f>] __wait_on_bit+0x5f/0x90
Apr 28 14:46:15 ubuntu kernel: [  287.088500]  [<ffffffff8110c278>] wait_on_page_bit+0x78/0x80
Apr 28 14:46:15 ubuntu kernel: [  287.088503]  [<ffffffff81087f70>] ? wake_bit_function+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088506]  [<ffffffff8110dffd>] __lock_page_or_retry+0x3d/0x70
Apr 28 14:46:15 ubuntu kernel: [  287.088509]  [<ffffffff8110e3c7>] filemap_fault+0x397/0x4a0
Apr 28 14:46:15 ubuntu kernel: [  287.088513]  [<ffffffff81177110>] ? pollwake+0x0/0x60
Apr 28 14:46:15 ubuntu kernel: [  287.088516]  [<ffffffff8112d144>] __do_fault+0x54/0x520
Apr 28 14:46:15 ubuntu kernel: [  287.088519]  [<ffffffff81177110>] ? pollwake+0x0/0x60
Apr 28 14:46:15 ubuntu kernel: [  287.088522]  [<ffffffff811309da>] handle_pte_fault+0xfa/0x210
Apr 28 14:46:15 ubuntu kernel: [  287.088525]  [<ffffffff8111561d>] ? __free_pages+0x2d/0x40
Apr 28 14:46:15 ubuntu kernel: [  287.088527]  [<ffffffff8112de4f>] ? __pte_alloc+0xdf/0x100
Apr 28 14:46:15 ubuntu kernel: [  287.088530]  [<ffffffff81131d5d>] handle_mm_fault+0x16d/0x250
Apr 28 14:46:15 ubuntu kernel: [  287.088533]  [<ffffffff815c6a47>] do_page_fault+0x1a7/0x540
Apr 28 14:46:15 ubuntu kernel: [  287.088537]  [<ffffffff81013859>] ? read_tsc+0x9/0x20
Apr 28 14:46:15 ubuntu kernel: [  287.088540]  [<ffffffff81092eb1>] ? ktime_get_ts+0xb1/0xf0
Apr 28 14:46:15 ubuntu kernel: [  287.088543]  [<ffffffff811776d2>] ? poll_select_set_timeout+0x82/0x90
Apr 28 14:46:15 ubuntu kernel: [  287.088546]  [<ffffffff815c34d5>] page_fault+0x25/0x30
Apr 28 14:46:15 ubuntu kernel: [  287.088559] INFO: task unity-panel-ser:1521 blocked for more than 30 seconds.
Apr 28 14:46:15 ubuntu kernel: [  287.088561] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 28 14:46:15 ubuntu kernel: [  287.088562] unity-panel-ser D 0000000000000000     0  1521      1 0x00000000
Apr 28 14:46:15 ubuntu kernel: [  287.088566]  ffff880061f37b68 0000000000000082 ffff880061f37fd8 ffff880061f36000
Apr 28 14:46:15 ubuntu kernel: [  287.088570]  0000000000013d00 ffff880068c7c858 ffff880061f37fd8 0000000000013d00
Apr 28 14:46:15 ubuntu kernel: [  287.088573]  ffff88003591c4a0 ffff880068c7c4a0 ffff88001fff0c88 ffff88001fc13d00
Apr 28 14:46:15 ubuntu kernel: [  287.088577] Call Trace:
Apr 28 14:46:15 ubuntu kernel: [  287.088581]  [<ffffffff8110c070>] ? sync_page+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088583]  [<ffffffff815c0990>] io_schedule+0x70/0xc0
Apr 28 14:46:15 ubuntu kernel: [  287.088587]  [<ffffffff8110c0b0>] sync_page+0x40/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088589]  [<ffffffff815c130f>] __wait_on_bit+0x5f/0x90
Apr 28 14:46:15 ubuntu kernel: [  287.088593]  [<ffffffff8110c278>] wait_on_page_bit+0x78/0x80
Apr 28 14:46:15 ubuntu kernel: [  287.088596]  [<ffffffff81087f70>] ? wake_bit_function+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088599]  [<ffffffff8110dffd>] __lock_page_or_retry+0x3d/0x70
Apr 28 14:46:15 ubuntu kernel: [  287.088602]  [<ffffffff8110e3c7>] filemap_fault+0x397/0x4a0
Apr 28 14:46:15 ubuntu kernel: [  287.088605]  [<ffffffff8112d144>] __do_fault+0x54/0x520
Apr 28 14:46:15 ubuntu kernel: [  287.088608]  [<ffffffff811309da>] handle_pte_fault+0xfa/0x210
Apr 28 14:46:15 ubuntu kernel: [  287.088610]  [<ffffffff8111561d>] ? __free_pages+0x2d/0x40
Apr 28 14:46:15 ubuntu kernel: [  287.088613]  [<ffffffff8112de4f>] ? __pte_alloc+0xdf/0x100
Apr 28 14:46:15 ubuntu kernel: [  287.088616]  [<ffffffff81131d5d>] handle_mm_fault+0x16d/0x250
Apr 28 14:46:15 ubuntu kernel: [  287.088619]  [<ffffffff815c6a47>] do_page_fault+0x1a7/0x540
Apr 28 14:46:15 ubuntu kernel: [  287.088622]  [<ffffffff81136f85>] ? do_mmap_pgoff+0x335/0x370
Apr 28 14:46:15 ubuntu kernel: [  287.088625]  [<ffffffff815c34d5>] page_fault+0x25/0x30
Apr 28 14:46:15 ubuntu kernel: [  287.088629] INFO: task jbd2/sda4-8:1845 blocked for more than 30 seconds.
Apr 28 14:46:15 ubuntu kernel: [  287.088630] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 28 14:46:15 ubuntu kernel: [  287.088632] jbd2/sda4-8     D 0000000000000000     0  1845      2 0x00000000
Apr 28 14:46:15 ubuntu kernel: [  287.088636]  ffff880068f6baf0 0000000000000046 ffff880068f6bfd8 ffff880068f6a000
Apr 28 14:46:15 ubuntu kernel: [  287.088639]  0000000000013d00 ffff880061d603b8 ffff880068f6bfd8 0000000000013d00
Apr 28 14:46:15 ubuntu kernel: [  287.088643]  ffff88003591c4a0 ffff880061d60000 ffff88001fff8548 ffff88001fc13d00
Apr 28 14:46:15 ubuntu kernel: [  287.088647] Call Trace:
Apr 28 14:46:15 ubuntu kernel: [  287.088650]  [<ffffffff8110c070>] ? sync_page+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088653]  [<ffffffff815c0990>] io_schedule+0x70/0xc0
Apr 28 14:46:15 ubuntu kernel: [  287.088656]  [<ffffffff8110c0b0>] sync_page+0x40/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088659]  [<ffffffff815c130f>] __wait_on_bit+0x5f/0x90
Apr 28 14:46:15 ubuntu kernel: [  287.088662]  [<ffffffff8110c278>] wait_on_page_bit+0x78/0x80
Apr 28 14:46:15 ubuntu kernel: [  287.088665]  [<ffffffff81087f70>] ? wake_bit_function+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088668]  [<ffffffff8110c41d>] filemap_fdatawait_range+0xfd/0x190
Apr 28 14:46:15 ubuntu kernel: [  287.088672]  [<ffffffff8110c4db>] filemap_fdatawait+0x2b/0x30
Apr 28 14:46:15 ubuntu kernel: [  287.088675]  [<ffffffff81242a93>] journal_finish_inode_data_buffers+0x63/0x170
Apr 28 14:46:15 ubuntu kernel: [  287.088678]  [<ffffffff81243284>] jbd2_journal_commit_transaction+0x6e4/0x1190
Apr 28 14:46:15 ubuntu kernel: [  287.088682]  [<ffffffff81076185>] ? try_to_del_timer_sync+0x85/0xe0
Apr 28 14:46:15 ubuntu kernel: [  287.088685]  [<ffffffff81247e9b>] kjournald2+0xbb/0x220
Apr 28 14:46:15 ubuntu kernel: [  287.088688]  [<ffffffff81087f30>] ? autoremove_wake_function+0x0/0x40
Apr 28 14:46:15 ubuntu kernel: [  287.088691]  [<ffffffff81247de0>] ? kjournald2+0x0/0x220
Apr 28 14:46:15 ubuntu kernel: [  287.088694]  [<ffffffff810877e6>] kthread+0x96/0xa0
Apr 28 14:46:15 ubuntu kernel: [  287.088697]  [<ffffffff8100ce24>] kernel_thread_helper+0x4/0x10
Apr 28 14:46:15 ubuntu kernel: [  287.088700]  [<ffffffff81087750>] ? kthread+0x0/0xa0
Apr 28 14:46:15 ubuntu kernel: [  287.088703]  [<ffffffff8100ce20>] ? kernel_thread_helper+0x0/0x10
Apr 28 14:46:15 ubuntu kernel: [  287.088705] INFO: task dirname:5969 blocked for more than 30 seconds.
Apr 28 14:46:15 ubuntu kernel: [  287.088707] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 28 14:46:15 ubuntu kernel: [  287.088709] dirname         D 0000000000000002     0  5969   5214 0x00000000
Apr 28 14:46:15 ubuntu kernel: [  287.088712]  ffff88005bd9d8b8 0000000000000086 ffff88005bd9dfd8 ffff88005bd9c000
Apr 28 14:46:15 ubuntu kernel: [  287.088716]  0000000000013d00 ffff88005d65b178 ffff88005bd9dfd8 0000000000013d00
Apr 28 14:46:15 ubuntu kernel: [  287.088720]  ffff8801005e5b80 ffff88005d65adc0 ffff88001ffe5228 ffff88001fc53d00
Apr 28 14:46:15 ubuntu kernel: [  287.088723] Call Trace:
Apr 28 14:46:15 ubuntu kernel: [  287.088726]  [<ffffffff8110c070>] ? sync_page+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088729]  [<ffffffff815c0990>] io_schedule+0x70/0xc0
Apr 28 14:46:15 ubuntu kernel: [  287.088732]  [<ffffffff8110c0b0>] sync_page+0x40/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088735]  [<ffffffff815c130f>] __wait_on_bit+0x5f/0x90
Apr 28 14:46:15 ubuntu kernel: [  287.088738]  [<ffffffff8110c278>] wait_on_page_bit+0x78/0x80
Apr 28 14:46:15 ubuntu kernel: [  287.088741]  [<ffffffff81087f70>] ? wake_bit_function+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088744]  [<ffffffff8110dffd>] __lock_page_or_retry+0x3d/0x70
Apr 28 14:46:15 ubuntu kernel: [  287.088747]  [<ffffffff8110e3c7>] filemap_fault+0x397/0x4a0
Apr 28 14:46:15 ubuntu kernel: [  287.088750]  [<ffffffff8112d144>] __do_fault+0x54/0x520
Apr 28 14:46:15 ubuntu kernel: [  287.088753]  [<ffffffff811309da>] handle_pte_fault+0xfa/0x210
Apr 28 14:46:15 ubuntu kernel: [  287.088756]  [<ffffffff810442a7>] ? pte_alloc_one+0x37/0x50
Apr 28 14:46:15 ubuntu kernel: [  287.088759]  [<ffffffff815c2cce>] ? _raw_spin_lock+0xe/0x20
Apr 28 14:46:15 ubuntu kernel: [  287.088761]  [<ffffffff8112de25>] ? __pte_alloc+0xb5/0x100
Apr 28 14:46:15 ubuntu kernel: [  287.088764]  [<ffffffff81131d5d>] handle_mm_fault+0x16d/0x250
Apr 28 14:46:15 ubuntu kernel: [  287.088767]  [<ffffffff815c6a47>] do_page_fault+0x1a7/0x540
Apr 28 14:46:15 ubuntu kernel: [  287.088770]  [<ffffffff81136947>] ? mmap_region+0x1f7/0x500
Apr 28 14:46:15 ubuntu kernel: [  287.088773]  [<ffffffff8112db06>] ? free_pgd_range+0x356/0x4a0
Apr 28 14:46:15 ubuntu kernel: [  287.088776]  [<ffffffff815c34d5>] page_fault+0x25/0x30
Apr 28 14:46:15 ubuntu kernel: [  287.088779]  [<ffffffff812e6d5f>] ? __clear_user+0x3f/0x70
Apr 28 14:46:15 ubuntu kernel: [  287.088782]  [<ffffffff812e6d41>] ? __clear_user+0x21/0x70
Apr 28 14:46:15 ubuntu kernel: [  287.088786]  [<ffffffff812e6dc6>] clear_user+0x36/0x40
Apr 28 14:46:15 ubuntu kernel: [  287.088788]  [<ffffffff811b0b6d>] padzero+0x2d/0x40
Apr 28 14:46:15 ubuntu kernel: [  287.088791]  [<ffffffff811b2c7a>] load_elf_binary+0x95a/0xe00
Apr 28 14:46:15 ubuntu kernel: [  287.088794]  [<ffffffff8116aa8a>] search_binary_handler+0xda/0x300
Apr 28 14:46:15 ubuntu kernel: [  287.088797]  [<ffffffff811b2320>] ? load_elf_binary+0x0/0xe00
Apr 28 14:46:15 ubuntu kernel: [  287.088800]  [<ffffffff8116c49c>] do_execve+0x24c/0x2d0
Apr 28 14:46:15 ubuntu kernel: [  287.088802]  [<ffffffff8101521a>] sys_execve+0x4a/0x80
Apr 28 14:46:15 ubuntu kernel: [  287.088805]  [<ffffffff8100c45c>] stub_execve+0x6c/0xc0
Apr 28 14:46:15 ubuntu kernel: [  317.064582] INFO: task rs:main Q:Reg:749 blocked for more than 30 seconds.
Apr 28 14:46:15 ubuntu kernel: [  317.064585] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 28 14:46:15 ubuntu kernel: [  317.064587] rs:main Q:Reg   D 0000000000000000     0   749      1 0x00000000
Apr 28 14:46:15 ubuntu kernel: [  317.064591]  ffff880072c17b68 0000000000000082 ffff880072c17fd8 ffff880072c16000
Apr 28 14:46:15 ubuntu kernel: [  317.064596]  0000000000013d00 ffff88003591b178 ffff880072c17fd8 0000000000013d00
Apr 28 14:46:15 ubuntu kernel: [  317.064607]  ffffffff81a0b020 ffff88003591adc0 ffff88001fffc3e8 ffff88001fc13d00
Apr 28 14:46:15 ubuntu kernel: [  317.064611] Call Trace:
Apr 28 14:46:15 ubuntu kernel: [  317.064616]  [<ffffffff8110c070>] ? sync_page+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  317.064620]  [<ffffffff815c0990>] io_schedule+0x70/0xc0
Apr 28 14:46:15 ubuntu kernel: [  317.064623]  [<ffffffff8110c0b0>] sync_page+0x40/0x50
Apr 28 14:46:15 ubuntu kernel: [  317.064627]  [<ffffffff815c130f>] __wait_on_bit+0x5f/0x90
Apr 28 14:46:15 ubuntu kernel: [  317.064630]  [<ffffffff8110c278>] wait_on_page_bit+0x78/0x80
Apr 28 14:46:15 ubuntu kernel: [  317.064633]  [<ffffffff81087f70>] ? wake_bit_function+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  317.064637]  [<ffffffff8110dffd>] __lock_page_or_retry+0x3d/0x70
Apr 28 14:46:15 ubuntu kernel: [  317.064640]  [<ffffffff8110e3c7>] filemap_fault+0x397/0x4a0
Apr 28 14:46:15 ubuntu kernel: [  317.064643]  [<ffffffff8112d144>] __do_fault+0x54/0x520
Apr 28 14:46:15 ubuntu kernel: [  317.064646]  [<ffffffff81134a43>] ? unmap_region+0x113/0x170
Apr 28 14:46:15 ubuntu kernel: [  317.064649]  [<ffffffff812ded90>] ? prio_tree_insert+0x150/0x1c0
Apr 28 14:46:15 ubuntu kernel: [  317.064652]  [<ffffffff811309da>] handle_pte_fault+0xfa/0x210
Apr 28 14:46:15 ubuntu kernel: [  317.064655]  [<ffffffff810442a7>] ? pte_alloc_one+0x37/0x50
Apr 28 14:46:15 ubuntu kernel: [  317.064658]  [<ffffffff815c2cce>] ? _raw_spin_lock+0xe/0x20
Apr 28 14:46:15 ubuntu kernel: [  317.064661]  [<ffffffff8112de25>] ? __pte_alloc+0xb5/0x100
Apr 28 14:46:15 ubuntu kernel: [  317.064664]  [<ffffffff81131d5d>] handle_mm_fault+0x16d/0x250
Apr 28 14:46:15 ubuntu kernel: [  317.064667]  [<ffffffff815c6a47>] do_page_fault+0x1a7/0x540
Apr 28 14:46:15 ubuntu kernel: [  317.064670]  [<ffffffff81136f85>] ? do_mmap_pgoff+0x335/0x370
Apr 28 14:46:15 ubuntu kernel: [  317.064673]  [<ffffffff81137127>] ? sys_mmap_pgoff+0x167/0x230
Apr 28 14:46:15 ubuntu kernel: [  317.064676]  [<ffffffff815c34d5>] page_fault+0x25/0x30
Apr 28 14:46:15 ubuntu kernel: [  317.064679] INFO: task NetworkManager:764 blocked for more than 30 seconds.
Apr 28 14:46:15 ubuntu kernel: [  317.064681] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 28 14:46:15 ubuntu kernel: [  317.064683] NetworkManager  D 0000000000000002     0   764      1 0x00000000
Apr 28 14:46:15 ubuntu kernel: [  317.064686]  ffff880074ffbb68 0000000000000082 ffff880074ffbfd8 ffff880074ffa000
Apr 28 14:46:15 ubuntu kernel: [  317.064690]  0000000000013d00 ffff880036051a98 ffff880074ffbfd8 0000000000013d00
Apr 28 14:46:15 ubuntu kernel: [  317.064693]  ffff8801005badc0 ffff8800360516e0 ffff88001ffef128 ffff88001fc53d00
Apr 28 14:46:15 ubuntu kernel: [  317.064697] Call Trace:
Apr 28 14:46:15 ubuntu kernel: [  317.064701]  [<ffffffff8110c070>] ? sync_page+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  317.064704]  [<ffffffff815c0990>] io_schedule+0x70/0xc0
Apr 28 14:46:15 ubuntu kernel: [  317.064707]  [<ffffffff8110c0b0>] sync_page+0x40/0x50
Apr 28 14:46:15 ubuntu kernel: [  317.064710]  [<ffffffff815c130f>] __wait_on_bit+0x5f/0x90
Apr 28 14:46:15 ubuntu kernel: [  317.064713]  [<ffffffff8110c278>] wait_on_page_bit+0x78/0x80
Apr 28 14:46:15 ubuntu kernel: [  317.064716]  [<ffffffff81087f70>] ? wake_bit_function+0x0/0x50
Apr 28 14:46:15 ubuntu kernel: [  317.064719]  [<ffffffff8110dffd>] __lock_page_or_retry+0x3d/0x70
Apr 28 14:46:15 ubuntu kernel: [  317.064722]  [<ffffffff8110e3c7>] filemap_fault+0x397/0x4a0
Apr 28 14:46:15 ubuntu kernel: [  317.064726]  [<ffffffff81177110>] ? pollwake+0x0/0x60
Apr 28 14:46:15 ubuntu kernel: [  317.064728]  [<ffffffff8112d144>] __do_fault+0x54/0x520
Apr 28 14:46:15 ubuntu kernel: [  317.064731]  [<ffffffff81177110>] ? pollwake+0x0/0x60
Apr 28 14:46:15 ubuntu kernel: [  317.064734]  [<ffffffff811309da>] handle_pte_fault+0xfa/0x210
Apr 28 14:46:15 ubuntu kernel: [  317.064737]  [<ffffffff8111561d>] ? __free_pages+0x2d/0x40
Apr 28 14:46:15 ubuntu kernel: [  317.064739]  [<ffffffff8112de4f>] ? __pte_alloc+0xdf/0x100
Apr 28 14:46:15 ubuntu kernel: [  317.064742]  [<ffffffff81131d5d>] handle_mm_fault+0x16d/0x250
Apr 28 14:46:15 ubuntu kernel: [  317.064745]  [<ffffffff815c6a47>] do_page_fault+0x1a7/0x540
Apr 28 14:46:15 ubuntu kernel: [  317.064749]  [<ffffffff81013859>] ? read_tsc+0x9/0x20
Apr 28 14:46:15 ubuntu kernel: [  317.064752]  [<ffffffff81092eb1>] ? ktime_get_ts+0xb1/0xf0
Apr 28 14:46:15 ubuntu kernel: [  317.064755]  [<ffffffff811776d2>] ? poll_select_set_timeout+0x82/0x90
Apr 28 14:46:15 ubuntu kernel: [  317.064758]  [<ffffffff815c34d5>] page_fault+0x25/0x30

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