From 112e722e8517fc06e15355bb2610fc98df56dc01 Mon Sep 17 00:00:00 2001 From: Mike Kryjak Date: Mon, 20 Jul 2026 11:13:25 +0100 Subject: [PATCH] Improve cvode use_precon exception --- src/solver/impls/cvode/cvode.cxx | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/solver/impls/cvode/cvode.cxx b/src/solver/impls/cvode/cvode.cxx index 2cdeeed9c3..d3441ad959 100644 --- a/src/solver/impls/cvode/cvode.cxx +++ b/src/solver/impls/cvode/cvode.cxx @@ -172,8 +172,9 @@ CvodeSolver::CvodeSolver(Options* opts) if ((*options)["use_precon"].isSet()) { throw BoutException("solver:use_precon is deprecated for CVODE and is now " - "ignored. Use solver:cvode_precon_method=none to disable " - "preconditioning.\n"); + "ignored. To reproduce behaviour of use_precon=true, " + "set cvode_precon_method=user. This enables the Hermes-3 " + "physical preconditioners.\n"); } // Add diagnostics to output