[Android Software/Hacking General [Developers Only]] impactor:
Thanks.

On every boot, I get this message from M2SD: An Error/Warning was detected!

However, the log is clean:

v/Preparing configurations
d/Moving property m2sd.enable_reversed_mount='0' into /props/
d/Moving property m2sd.enable_sdext_journal='2' into /props/
d/Moving property m2sd.enable_swap='0' into /props/
d/Moving property m2sd.enabled='1' into /props/
d/Moving property m2sd.move_apps='1' into /props/
d/Moving property m2sd.move_dalvik='0' into /props/
d/Moving property m2sd.move_data='1' into /props/
d/Moving property m2sd.no_tmpfs_cache='0' into /props/
d/Moving property m2sd.run_sdext_fschk='1' into /props/
d/Moving property m2sd.set_sdcard_readahead='512' into /props/
d/Moving property m2sd.set_sdext_fstype='ext4' into /props/
v/Waiting for sdcard to initiate
d/Preparing try number 1 for locating the sdcard
d/Checking device type on /sys/block/mmcblk0
v/The sdcard device was located at /dev/block/mmcblk0
d/The sdcard MM number was located at 179:0
v/Setting sdcard readahead to 512Kb
v/Checking sdcard partitions
d/Looking for device file /dev/block/mmcblk0p1
v/Using /dev/block/mmcblk0p1 as fat32 (sdcard)
d/Looking for device file /dev/block/mmcblk0p2
v/Using /dev/block/mmcblk0p2 as ext4 (sd-ext)
d/Looking for device file /dev/block/mmcblk0p3
d/Device file /dev/block/mmcblk0p3 does not exist
v/Running file system check on sd-ext
v/Setting optimized mount parameters on sd-ext
d/Ext4 file system detected, checking journal settings
d/Journal settings is set to auto. Keeping default settings
d/Starting mount operating on sd-ext
d/Trying to mount sd-ext as ext4 on /sd-ext with options 'noatime,nodiratime,relatime,noauto_da_alloc,data=ordered,commit=15,barrier=1,nouser_xattr,errors=continue,nosuid,nodev,'
d/The sd-ext partition was mounted, now testing writeable state
v/The sd-ext partition was mounted successfully at /sd-ext
v/Preparing to move content between /data and /sd-ext
d/Looking in /sd-ext/dalvik-cache to see if something should be reverted back to /data/dalvik-cache
v/Reverting /sd-ext/dalvik-cache back to /data/dalvik-cache
d/The size of /sd-ext/dalvik-cache is 86Mb. Comparing it to the remaining spaze on /data which is 201Mb
d/Looking in /sd-ext/property to see if something should be reverted back to /data/property
d/Looking in /sd-ext/misc to see if something should be reverted back to /data/misc
d/Looking in /sd-ext/system to see if something should be reverted back to /data/system
d/Looking in /sd-ext/local to see if something should be reverted back to /data/local
d/Looking in /sd-ext/tombstones to see if something should be reverted back to /data/tombstones
d/Looking in /sd-ext/secure to see if something should be reverted back to /data/secure
d/Looking in /data/data to see if something should be moved into /sd-ext/data
d/Looking in /data/app to see if something should be moved into /sd-ext/app
d/Looking in /data/app-private to see if something should be moved into /sd-ext/app-private
d/Looking in /data/app-system to see if something should be moved into /sd-ext/app-system
v/Attaching /sd-ext/data to /data/data
v/Attaching /sd-ext/app to /data/app
v/Attaching /sd-ext/app-private to /data/app-private
v/Attaching /sd-ext/app-system to /data/app-system
v/Optimizing the internal nand partitions
d/Located the device /dev/block/mtdblock3 belonging to /system
d/Located the device MM number 31:3 belonging to /system
v/Setting system nand readahead to 4kb
v/Setting optimized mount parameters on system
d/Located the device /dev/block/mtdblock5 belonging to /data
d/Located the device MM number 31:5 belonging to /data
v/Setting data nand readahead to 4kb
v/Setting optimized mount parameters on data
d/Located the device /dev/block/mtdblock4 belonging to /cache
d/Located the device MM number 31:4 belonging to /cache
v/Setting cache nand readahead to 4kb
v/Setting optimized mount parameters on cache
v/Looking for new system apps in /data/app-system to link to /system/app
d/Running S-On test on /system
d/Checking SWAP partition and SWAP settings
d/Handling the Cache partition and it's settings
d/The cache stettings are disabled, leaving cache untouched
v/Executing the final steps of the script
d/Examining how to handle /data/data/com.android.providers.downloads/cache
d/The cache folder /data/data/com.android.providers.downloads/cache is not available. Trying again on next boot
v/Changing permissions on /data/local/tmp
v/Attaching /data/local/tmp on /sd-ext/data@local@tmp
d/Looking for the sqlite3 binary to change the storage threshold
v/Storage threshold is set to 1%