sysctl vfs.ext2fs.doreallocblks: 0 -> 1
dd to /mnt/e65/rf1: 0 bytes transferred; cat: Invalid argument
dmesg: dscheck(vn2): negative bio_offset -1024 (x2); guest alive

env: DragonFly 6.5-DEVELOPMENT INVARIANTS kernel, QEMU/KVM 6 vCPU, 4GB RAM