[   26.691418] NFSD: starting 90-second grace period (net ffffffff81cda240)
[   30.870516] audit_printk_skb: 66 callbacks suppressed
[   30.870519] type=1400 audit(1408686350.424:34): apparmor="DENIED" operation="open" profile="/usr/sbin/ntpd" name="/etc/ldap/ldap.conf" pid=1548 comm="ntpd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[   38.571218] ip_tables: (C) 2000-2006 Netfilter Core Team
[   38.690964] init: plymouth-upstart-bridge main process ended, respawning
[ 7535.909870] perf samples too long (2503 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
[22618.874622] NFSD: Failed to remove expired client state directory 822508f63f31dd140a9e0069a9929604
[26759.896422] NFSD: Failed to remove expired client state directory 6302ecd2e6beccf47d581f1b81c2d0f4
[33962.711669] NFSD: Failed to remove expired client state directory ca3de49b79c221479470af56af153142
[263929.893263] INFO: task rsync:10469 blocked for more than 120 seconds.
[263929.894699]       Not tainted 3.13.0-34-generic #60-Ubuntu
[263929.895913] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[263929.897663] rsync           D ffff88023fc14440     0 10469  10420 0x00000000
[263929.897670]  ffff88003f773e58 0000000000000002 ffff88019f8647d0 ffff88003f773fd8
[263929.897676]  0000000000014440 0000000000014440 ffff88019f8647d0 ffff88019f8647d0
[263929.897681]  ffff88022f040ae0 ffff88022f040ae8 ffffffff00000000 ffff88022f040af0
[263929.897686] Call Trace:
[263929.897697]  [<ffffffff817201b9>] schedule+0x29/0x70
[263929.897718]  [<ffffffff81722db5>] rwsem_down_write_failed+0x115/0x230
[263929.897727]  [<ffffffff8109d7db>] ? account_user_time+0x8b/0xa0
[263929.897734]  [<ffffffff8136eaf3>] call_rwsem_down_write_failed+0x13/0x20
[263929.897739]  [<ffffffff8172284d>] ? down_write+0x2d/0x30
[263929.897746]  [<ffffffff8117f9c5>] SyS_brk+0x35/0x170
[263929.897753]  [<ffffffff8172c97f>] tracesys+0xe1/0xe6
[264049.864904] INFO: task rsync:10469 blocked for more than 120 seconds.
[264049.866338]       Not tainted 3.13.0-34-generic #60-Ubuntu
[264049.867552] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[264049.869325] rsync           D ffff88023fc14440     0 10469  10420 0x00000000
[264049.869332]  ffff88003f773e58 0000000000000002 ffff88019f8647d0 ffff88003f773fd8
[264049.869338]  0000000000014440 0000000000014440 ffff88019f8647d0 ffff88019f8647d0
[264049.869342]  ffff88022f040ae0 ffff88022f040ae8 ffffffff00000000 ffff88022f040af0
[264049.869348] Call Trace:
[264049.869359]  [<ffffffff817201b9>] schedule+0x29/0x70
[264049.869365]  [<ffffffff81722db5>] rwsem_down_write_failed+0x115/0x230
[264049.869371]  [<ffffffff8109d7db>] ? account_user_time+0x8b/0xa0
[264049.869392]  [<ffffffff8136eaf3>] call_rwsem_down_write_failed+0x13/0x20
[264049.869403]  [<ffffffff8172284d>] ? down_write+0x2d/0x30
[264049.869410]  [<ffffffff8117f9c5>] SyS_brk+0x35/0x170
[264049.869417]  [<ffffffff8172c97f>] tracesys+0xe1/0xe6
[278434.709560] NFSD: Failed to remove expired client state directory ea2f00b177bc601cc1e3e548f618876d