diff --git a/.ci_fedora.sh b/.ci_fedora.sh
index 1a3d2d92b2..5b62228092 100755
--- a/.ci_fedora.sh
+++ b/.ci_fedora.sh
@@ -15,16 +15,18 @@ then
   #         3. docker start -a mobydick                       <=> start to run the container (initialized with docker-cp)
     if test $1 = podman ; then
 	cmd=podman
+	# For the use of testing
+	git submodule update --init # --recursive
     else
 	cmd="sudo docker"
     fi
     test . != ".$2" && mpi="$2" || mpi=openmpi
-    test . != ".$3" && version="$3" || version=latest
+    test . != ".$3" && version="$3" || version=rawhide
     time $cmd pull registry.fedoraproject.org/fedora:$version
     time $cmd create --cap-add=SYS_PTRACE --security-opt seccomp=unconfined \
          --name mobydick registry.fedoraproject.org/fedora:$version \
 	     /tmp/BOUT-dev/.ci_fedora.sh $mpi
-    time $cmd cp ${TRAVIS_BUILD_DIR} mobydick:/tmp
+    time $cmd cp ${TRAVIS_BUILD_DIR:-$(pwd)} mobydick:/tmp/BOUT-dev
     time $cmd start -a mobydick
     exit 0
 fi
@@ -37,11 +39,12 @@ then
     cat /etc/os-release
     # Ignore weak depencies
     echo "install_weak_deps=False" >> /etc/dnf/dnf.conf
-    time dnf -y install dnf5-plugins python3-pip cmake
+    time dnf -y install dnf5
+    time dnf5 -y install dnf5-plugins cmake python3-zoidberg python3-natsort
     # Allow to override packages - see #2073
-    time dnf copr enable -y davidsch/fixes4bout || :
-    time dnf -y upgrade
-    time dnf -y builddep bout++
+    time dnf5 copr enable -y davidsch/fixes4bout || :
+    time dnf5 -y upgrade
+    time dnf5 -y builddep bout++
     useradd test
     cp -a /tmp/BOUT-dev /home/test/
     chown -R test /home/test
@@ -49,7 +52,6 @@ then
     sudo -u test ${0/\/tmp/\/home\/test} $mpi
 ## If we are called as normal user, run test
 else
-    pip install --user zoidberg natsort
     . /etc/profile.d/modules.sh
     module load mpi/${1}-x86_64
     export OMPI_MCA_rmaps_base_oversubscribe=yes
@@ -58,7 +60,12 @@ else
     cd
     cd BOUT-dev
     echo "starting configure"
-    time cmake -S . -B build -DBOUT_USE_PETSC=ON
+    time cmake -S . -B build -DBOUT_USE_PETSC=ON \
+	 -DBOUT_UPDATE_GIT_SUBMODULE=OFF \
+	 -DBOUT_USE_SYSTEM_FMT=ON \
+	 -DBOUT_USE_SYSTEM_MPARK_VARIANT=ON \
+	 -DBOUT_USE_SUNDIALS=ON
+
     time make -C build build-check -j 2
     time make -C build check
 fi
diff --git a/src/bout++.cxx b/src/bout++.cxx
index 7d7b38b947..127cb6ff4a 100644
--- a/src/bout++.cxx
+++ b/src/bout++.cxx
@@ -218,6 +218,7 @@ namespace experimental {
 void setupSignalHandler(SignalHandler signal_handler) {
 #if BOUT_USE_SIGNAL
   std::signal(SIGSEGV, signal_handler);
+  std::signal(SIGBUS, signal_handler);
 #endif
 #if BOUT_USE_SIGFPE
   std::signal(SIGFPE, signal_handler);
diff --git a/src/invert/laplace/impls/petsc/petsc_laplace.cxx b/src/invert/laplace/impls/petsc/petsc_laplace.cxx
index 1df560f288..d125b90694 100644
--- a/src/invert/laplace/impls/petsc/petsc_laplace.cxx
+++ b/src/invert/laplace/impls/petsc/petsc_laplace.cxx
@@ -856,7 +856,7 @@ FieldPerp LaplacePetsc::solve(const FieldPerp& b, const FieldPerp& x0) {
   if (reason <= 0) {
     throw BoutException(
         "petsc_laplace: inversion failed to converge. KSPConvergedReason: {} ({})",
-        KSPConvergedReasons[reason], reason);
+        KSPConvergedReasons[reason], static_cast<int>(reason));
   }
 
   // Add data to FieldPerp Object
diff --git a/src/invert/laplace/impls/petsc3damg/petsc3damg.cxx b/src/invert/laplace/impls/petsc3damg/petsc3damg.cxx
index 24d61af783..633e938ccc 100644
--- a/src/invert/laplace/impls/petsc3damg/petsc3damg.cxx
+++ b/src/invert/laplace/impls/petsc3damg/petsc3damg.cxx
@@ -267,7 +267,7 @@ Field3D LaplacePetsc3dAmg::solve(const Field3D& b_in, const Field3D& x0) {
   if (reason <= 0) {
     throw BoutException(
         "Petsc3dAmg: inversion failed to converge. KSPConvergedReason: {} ({})",
-        KSPConvergedReasons[reason], reason);
+        KSPConvergedReasons[reason], static_cast<int>(reason));
   }
 
   // Create field from result
diff --git a/src/solver/impls/imex-bdf2/imex-bdf2.cxx b/src/solver/impls/imex-bdf2/imex-bdf2.cxx
index 11954d331a..adafbb71c5 100644
--- a/src/solver/impls/imex-bdf2/imex-bdf2.cxx
+++ b/src/solver/impls/imex-bdf2/imex-bdf2.cxx
@@ -1228,17 +1228,19 @@ PetscErrorCode IMEXBDF2::solve_implicit(BoutReal curtime, BoutReal gamma) {
     KSPGetConvergedReason(ksp, &kreason);
     if (kreason < 0) {
       if (verbose) {
-        output << "KSP Failed to converge with reason " << kreason << endl;
+        output << "KSP Failed to converge with reason " << static_cast<int>(kreason)
+               << endl;
       }
       linear_fails++;
     } else {
       nonlinear_fails++;
       if (verbose) {
-        output << "KSP Succeeded with reason " << kreason << endl;
+        output << "KSP Succeeded with reason " << static_cast<int>(kreason) << endl;
       }
     };
     if (verbose) {
-      output << "SNES failed to converge with reason " << reason << endl;
+      output << "SNES failed to converge with reason " << static_cast<int>(reason)
+             << endl;
     }
     throw PetscLib::SNESFailure(snesUse);
   }