Mar 8 00:23:57 shyla kernel: [88440.532068] INFO: task flush-0:23:16444 blocked for more than 120 seconds. Mar 8 00:23:57 shyla kernel: [88440.535760] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Mar 8 00:23:57 shyla kernel: [88440.539554] flush-0:23 D 171d1524 0 16444 2 0x00000000 Mar 8 00:23:57 shyla kernel: [88440.539564] e5087bd0 00000046 0000043f 171d1524 0000503c e5087bd0 000094e1 17e224ad Mar 8 00:23:57 shyla kernel: [88440.539576] 0000043f 180e6457 0000043f e5bdd25c c10ba19f e5087bfc e5bdd318 e5bdd25c Mar 8 00:23:57 shyla kernel: [88440.539587] c10b1e55 f5b97f74 e5bdd25c c127a965 c10ba4ac 00000000 00000400 f5b97f14 Mar 8 00:23:57 shyla kernel: [88440.539598] Call Trace: Mar 8 00:23:57 shyla kernel: [88440.539612] [] ? writeback_single_inode+0x5e/0x1cc Mar 8 00:23:57 shyla kernel: [88440.539621] [] ? iput+0x23/0x110 Mar 8 00:23:57 shyla kernel: [88440.539629] [] ? _cond_resched+0x5/0x18 Mar 8 00:23:57 shyla kernel: [88440.539636] [] ? writeback_sb_inodes+0x159/0x18c Mar 8 00:23:57 shyla kernel: [88440.539644] [] ? inode_wait+0x5/0x8 Mar 8 00:23:57 shyla kernel: [88440.539650] [] ? __wait_on_bit+0x2f/0x54 Mar 8 00:23:57 shyla kernel: [88440.539657] [] ? inode_owner_or_capable+0x2f/0x2f Mar 8 00:23:57 shyla kernel: [88440.539664] [] ? inode_wait_for_writeback.isra.31+0x5f/0x6d Mar 8 00:23:57 shyla kernel: [88440.539674] [] ? autoremove_wake_function+0x29/0x29 Mar 8 00:23:57 shyla kernel: [88440.539681] [] ? wb_writeback+0x165/0x178 Mar 8 00:23:57 shyla kernel: [88440.539688] [] ? wb_do_writeback+0x114/0x15d Mar 8 00:23:57 shyla kernel: [88440.539695] [] ? wb_do_writeback+0x15d/0x15d Mar 8 00:23:57 shyla kernel: [88440.539701] [] ? bdi_writeback_thread+0x69/0x172 Mar 8 00:23:57 shyla kernel: [88440.539708] [] ? wb_do_writeback+0x15d/0x15d Mar 8 00:23:57 shyla kernel: [88440.539715] [] ? kthread+0x62/0x67 Mar 8 00:23:57 shyla kernel: [88440.539722] [] ? flush_kthread_worker+0x73/0x73 Mar 8 00:23:57 shyla kernel: [88440.539729] [] ? kernel_thread_helper+0x6/0xd