kernel: WARNING: at fs/ext4/inode.c:3929 ext4_flush_unwritten_io+0x74/0x80 [ext4]()

Solution Verified - Updated -

Issue

  • The following warning messages are recorded in /var/log/messages:
Feb 25 20:08:01 localhost kernel: EXT4-fs (xx-x): INFO: recovery required on readonly filesystem
Feb 25 20:08:01 localhost kernel: EXT4-fs (xx-x): write access will be enabled during recovery
Feb 25 20:08:01 localhost kernel: EXT4-fs (xx-x): orphan cleanup on readonly fs
Feb 25 20:08:01 localhost kernel: ------------[ cut here ]------------
Feb 25 20:08:01 localhost kernel: WARNING: at fs/ext4/inode.c:3929 ext4_flush_unwritten_io+0x74/0x80 [ext4]() (Not tainted)
< snip >
Feb 25 20:08:01 localhost kernel: Call Trace:
Feb 25 20:08:01 localhost kernel: [<ffffffff81074df7>] ? warn_slowpath_common+0x87/0xc0
Feb 25 20:08:01 localhost kernel: [<ffffffff81074e4a>] ? warn_slowpath_null+0x1a/0x20
Feb 25 20:08:01 localhost kernel: [<ffffffffa01a6bb4>] ? ext4_flush_unwritten_io+0x74/0x80 [ext4]
Feb 25 20:08:01 localhost kernel: [<ffffffffa01ce927>] ? ext4_ext_truncate+0x37/0x1f0 [ext4]
Feb 25 20:08:01 localhost kernel: [<ffffffffa01acbf8>] ? ext4_truncate+0x4c8/0x6a0 [ext4]
Feb 25 20:08:01 localhost kernel: [<ffffffff81529380>] ? printk+0x41/0x49
Feb 25 20:08:01 localhost kernel: [<ffffffffa01bdec8>] ? ext4_msg+0x68/0x80 [ext4]
Feb 25 20:08:01 localhost kernel: [<ffffffffa01a41d3>] ? ext4_orphan_get+0xb3/0x1f0 [ext4]
Feb 25 20:08:01 localhost kernel: [<ffffffffa01c30c1>] ? ext4_fill_super+0x26e1/0x28f0 [ext4]
Feb 25 20:08:01 localhost kernel: [<ffffffff81296934>] ? snprintf+0x34/0x40
Feb 25 20:08:01 localhost kernel: [<ffffffff8119155e>] ? get_sb_bdev+0x18e/0x1d0
Feb 25 20:08:01 localhost kernel: [<ffffffffa01c09e0>] ? ext4_fill_super+0x0/0x28f0 [ext4]
Feb 25 20:08:01 localhost kernel: [<ffffffffa01bc178>] ? ext4_get_sb+0x18/0x20 [ext4]
Feb 25 20:08:01 localhost kernel: [<ffffffff811909ab>] ? vfs_kern_mount+0x7b/0x1b0
Feb 25 20:08:01 localhost kernel: [<ffffffff81190b52>] ? do_kern_mount+0x52/0x130
Feb 25 20:08:01 localhost kernel: [<ffffffff811b26fb>] ? do_mount+0x2fb/0x930
Feb 25 20:08:01 localhost kernel: [<ffffffff81145734>] ? strndup_user+0x64/0xc0
Feb 25 20:08:01 localhost kernel: [<ffffffff811b2dc0>] ? sys_mount+0x90/0xe0
Feb 25 20:08:01 localhost kernel: [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b
Feb 25 20:08:01 localhost kernel: ---[ end trace 2afc9d18b9d98e0c ]---
Feb 25 20:08:01 localhost kernel: EXT4-fs (xx-x): 1 truncate cleaned up
Feb 25 20:08:01 localhost kernel: EXT4-fs (xx-x): recovery complete
Feb 25 20:08:01 localhost kernel: EXT4-fs (xx-x): mounted filesystem with ordered data mode. Opts: 

Environment

  • Red Hat Enterprise Linux 6.6

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