diff --git a/docs/faq.qmd b/docs/faq.qmd
index 91413d24e..a31cc90d0 100644
--- a/docs/faq.qmd
+++ b/docs/faq.qmd
@@ -19,3 +19,7 @@ description: Frequently asked questions
 **Q: AttributeError: 'DummyOptim' object has no attribute 'step'**
 
 > A: You may be using deepspeed with single gpu. Please don't set `deepspeed:` in yaml or cli.
+
+**Q: The codes is stuck on saving preprocessed datasets.**
+
+> A: This is usually an issue with the GPU. This can be resolved through setting the os environment variable `CUDA_VISIBLE_DEVICES=0`. If you are on runpod, this is usually a pod issue. Starting a new pod should take care of it.