diff --git a/python/sglang/srt/model_loader/loader.py b/python/sglang/srt/model_loader/loader.py
index 58d5fe331..612a6dc0c 100644
--- a/python/sglang/srt/model_loader/loader.py
+++ b/python/sglang/srt/model_loader/loader.py
@@ -198,6 +198,9 @@ def _get_quantization_config(
     packed_modules_mapping = getattr(model_class, "packed_modules_mapping", {})
     remap_prefix = getattr(model_class, "remap_prefix", None)
     # TODO: we should remove this code and switch to the packed_modules_mapping declared inside the modeling files
+    if model_config.quantization == "quark":
+        packed_modules_mapping.update({"gate_up_proj": ["gate_proj", "up_proj"]})
+
     if _is_npu:
         packed_modules_mapping.update(
             {
diff --git a/python/sglang/srt/models/deepseek_common/deepseek_weight_loader.py b/python/sglang/srt/models/deepseek_common/deepseek_weight_loader.py
index b72e8290d..77760007a 100644
--- a/python/sglang/srt/models/deepseek_common/deepseek_weight_loader.py
+++ b/python/sglang/srt/models/deepseek_common/deepseek_weight_loader.py
@@ -560,6 +560,9 @@ class DeepseekV2WeightLoaderMixin:
                 _use_aiter_gfx95
                 and self.quant_config is not None
                 and self.quant_config.get_name() == "quark"
+                and self.config.architectures
+                and self.config.architectures[0]
+                == "DeepseekV3ForCausalLM"  # Avoid processing other models like GlmMoeDsaForCausalLM
             ):
                 w_kc, self_attn.w_scale_k, w_vc, self_attn.w_scale_v = (
                     quark_post_load_weights(self_attn, w, "mxfp4")
diff --git a/python/sglang/srt/server_args.py b/python/sglang/srt/server_args.py
index 8cea237cc..0a45c1dc6 100644
--- a/python/sglang/srt/server_args.py
+++ b/python/sglang/srt/server_args.py
@@ -1016,6 +1016,8 @@ class ServerArgs:
             self.served_model_name = self.model_path
         if self.device is None:
             self.device = get_device()
+        # strip device index from user if any (e.g. "cuda:0" -> "cuda")
+        self.device = self.device.split(":")[0]
         if self.random_seed is None:
             self.random_seed = random.randint(0, 1 << 30)
         if self.mm_process_config is None: