From 5c4ced142d82cd196b4c5c741f7fd87cad087481 Mon Sep 17 00:00:00 2001 From: Kenneth Griesser Date: Mon, 18 May 2026 10:38:10 -0700 Subject: [PATCH] added tip for mpi --stream-buffering=0 --- docs/guides/features/debug.mdx | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/docs/guides/features/debug.mdx b/docs/guides/features/debug.mdx index 5b6ebba7..b8bc5b3b 100644 --- a/docs/guides/features/debug.mdx +++ b/docs/guides/features/debug.mdx @@ -51,6 +51,13 @@ To enable entering the debug console in response to a signal use `--sigusr1=sst. $ sst --sigusr2=sst.rt.interactive configuration.py ``` +:::tip +For some versions of MPI, it may be necessary to clear stream buffering for the interactive console to behave correctly. For example: +``` +mpirun --stream-buffering=0 -np=4 sst configuration.py --interactive-start=0 +``` +::: + When the SST process is running, enter the interactive console by sending the appropriate signal to its process ID. ```sh title="Example sending signal to SST from a bash shell"