Thank you for the reply, I'm using following xformer, is it the buggy version?
Python revision: 3.10.10 (main, Feb 8 2023, 14:50:01) [GCC 9.4.0]
Dreambooth revision: fd51c0b2ed20566c60affa853a32ebce1b0a1139
SD-WebUI revision: d8f8bcb821fa62e943eb95ee05b8a949317326fe
[+] bitsandbytes version 0.35.0 installed
[+] diffusers version 0.10.2 installed.
[+] transformers version 4.25.1 installed.
[+] xformers version 0.0.16rc425 installed.
[+] torch version 1.13.1+cu117 installed.
[+] torchvision version 0.14.1+cu117 installed.