I checked my fstab, and my mount options for that partition are: nodev,nosuid (so no discard). As far as I remember, I had some issues converting from ext4 with existing tools (I think that was on Debian so the tools were likely older) so I did a manual conversion backup, wipe, copy files back). $ sudo btrfs-find-root -o 3 /dev/sda4 Couldn't read tree root Superblock thinks the generation is 311252 Superblock thinks the level is 0 ERROR: tree block bytenr 0 is not aligned to sectorsize 4096 Found tree root at 131072 gen 311252 level 0 On Fri, Aug 18, 2017 at 12:10 AM, Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote: > On Thu, Aug 17, 2017 at 4:42 PM, Qu Wenruo <quwenruo.btrfs@xxxxxxx> wrote: > >> BTW are you using discard mount option? Sometimes it can cause problem. > > OP did not say if it was using discard mount option; but did say some > time before this (I'm not sure how recent) he had used fstrim. The > firmware for this SSD model is current. > > > -- > Chris Murphy -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
