viewtopic.php?f=42&t=14270
But this time the symptoms are different. I ran fsck.ext4 and it didn't find any issues.
Sometimes when I turn on the U4 I find it is on the boot screen, saying loading 100% on the front panel but never loads. I turn it off and on again and it usually boots fine. It seems to be in this state after a timer was scheduled to record.
I try to manually start a recording and it fails, asking if the disk is full, but there is 148 GB.
Timeshift sometimes works and sometimes doesn't.
Sometimes when I go to play a recording it will crash with a screen of white text then reboot. Sometimes it will reboot fine and other times it will get stuck at the loading screen. If I then try to play the same recording it may work fine.
Recording playback may get part way through then freeze. It might keep playing a minute later, or it might crash, or it might just stay frozen until I restart manually.
Sometimes when it starts up I try to go to my recordings but it is empty, I try to change the location but it says it can't find the path. Reboot and sometimes it may or may come back good.
Sometimes just scrolling through recordings will cause it to crash with the white text.
I reinstalled the firmware from USB and set up everything from scratch (didn't restore a backup). I've use the file system check from the UI, and fsck.ext4 -f and fsck.ext4 -c from telnet. They didn't seem to turn up any errors.
However, I did see this when running -c. It is saying "badblocks: command not found" so does that mean it's not actually able to check for bad sectors?
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root@beyonwizu4:~# fsck.ext4 -c v/sda1
e2fsck 1.44.3 (10-July-2018)
sh: badblocks: command not found
U4: Updating bad block inode.
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
U4: ***** FILE SYSTEM WAS MODIFIED *****
U4: 2327/357744 files (18.2% non-contiguous), 208065741/244190208 blocks
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<3>blk_update_request: I/O error, dev sda, sector 88367456