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[722648.188062] INFO: task nscd:19965 blocked for more than 120 seconds.

[722648.194136] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.

[722648.201251] nscd            D ffffffff81806240     0 19965      1 0x00000000

[722648.201256]  ffff8801185fba08 0000000000000086 ffff8801185fb9a8 000000008104d154

[722648.201260]  ffff8801185fbfd8 ffff8801185fbfd8 ffff8801185fbfd8 00000000000136c0

[722648.201264]  ffffffff81c0d020 ffff880116bb16e0 ffff8801185fba18 ffff8801185fba78

[722648.201268] Call Trace:

[722648.220665]  [<ffffffff8165344f>] schedule+0x3f/0x60

[722648.287188]  [<ffffffff8125b99d>] do_get_write_access+0x27d/0x4f0

[722648.319685]  [<ffffffff81089380>] ? autoremove_wake_function+0x40/0x40

[722648.364489]  [<ffffffff811a6197>] ? __getblk+0x27/0x60

[722648.364495]  [<ffffffff8125bd50>] jbd2_journal_get_write_access+0x30/0x50

[722648.368447]  [<ffffffff8123ddbe>] __ext4_journal_get_write_access+0x3e/0x80

[722648.391096]  [<ffffffff812154d8>] ext4_reserve_inode_write+0x78/0xa0

[722648.406819]  [<ffffffff8121554e>] ext4_mark_inode_dirty+0x4e/0x210

[722648.406823]  [<ffffffff81217a5c>] ? ext4_dirty_inode+0x3c/0x60

[722648.406826]  [<ffffffff81217a5c>] ext4_dirty_inode+0x3c/0x60

[722648.406831]  [<ffffffff8119d3b0>] __mark_inode_dirty+0x40/0x2a0

[722648.410786]  [<ffffffff8118e144>] file_update_time+0xe4/0x150

[722648.457984]  [<ffffffff81138ca7>] do_wp_page+0x3d7/0x740

[722648.491973]  [<ffffffff8113abab>] handle_pte_fault+0x1cb/0x200

[722648.491976]  [<ffffffff8113af98>] handle_mm_fault+0x1f8/0x350

[722648.495956]  [<ffffffff8115f06f>] ? kmem_cache_free+0x2f/0x110

[722648.498295]  [<ffffffff81658ddb>] do_page_fault+0x14b/0x520

[722648.498303]  [<ffffffff81176133>] ? __fput+0x143/0x200

[722648.498308]  [<ffffffff81176215>] ? fput+0x25/0x30

[722648.498314]  [<ffffffff81655a35>] page_fault+0x25/0x30