UTILS/UCX: Set UCX_IB_PCI_RELAXED_OREDERING=try.

rakhmets · rakhmets · commit 8472f3666537 · 2025-11-11T15:49:30.000+02:00
Signed-off-by: Raul Akhmetshin &lt;rakhmetshin@nvidia.com&gt;
diff --git a/src/utils/ucx/ucx_utils.cpp b/src/utils/ucx/ucx_utils.cpp
@@ -464,6 +464,8 @@ nixlUcxContext::nixlUcxContext(std::vector<std::string> devs,
         config.modify ("MAX_RMA_RAILS", "2");
     }
 
+    config.modify("IB_PCI_RELAXED_ORDERING", "try");
+
     const auto status = ucp_init (&ucp_params, config.getUcpConfig(), &ctx);
     if (status != UCS_OK) {
         throw std::runtime_error ("Failed to create UCX context: " +

Original file line number	Diff line number	Diff line change
`@@ -464,6 +464,8 @@ nixlUcxContext::nixlUcxContext(std::vector<std::string> devs,`
`464`	`464`	`config.modify ("MAX_RMA_RAILS", "2");`
`465`	`465`	`}`
`466`	`466`
	`467`	`+ config.modify("IB_PCI_RELAXED_ORDERING", "try");`
	`468`	`+`
`467`	`469`	`const auto status = ucp_init (&ucp_params, config.getUcpConfig(), &ctx);`
`468`	`470`	`if (status != UCS_OK) {`
`469`	`471`	`throw std::runtime_error ("Failed to create UCX context: " +`