On focal (5.4.0-56-generic) we are starting to see massive file system corruptions on systems updated to this kernel version. These systems are using LVM with discards and thin provisioning on 6 or 8 NVMe drives in a RAID10 near configuration. We are currently downgrading all systems back to 5.4.0-54-generic and hope we can provide a simple reproducer
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1896578 Title: raid10: Block discard is very slow, causing severe delays for mkfs and fstrim operations To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1896578/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs