TRIM/discard not working any more for ext4 partition on SSD
recently I noticed that neither
The discard option is present in fstab.
EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,data=writeback,nobarrier,nobh,discard
So, dmesg indicates that the filesystem was mounted with discard enabled
(but again /proc/mounts does not).
Remember everything was OK until yesterday or so.
Already tried different kernel versions to no avail.
Also, when I boot another distro everything shows up correct.
Im running Debian sid, amd64.
SSD is a Crucial M4 128 GB, newest F/W (009).
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