added driver_mismatch.sh to resolve common issue with module loading

driver_mismatch.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+#supplemental script to resolve common error:
+#"Failed to initialize NVML: Driver/library version mismatch"
+
+#This script will unload modules, then attempt to restart the nvidia-smi toolkit to re-load properly
+
+
+#announce permissions:
+echo "this script needs to be run with sudo, if you get errors unmounting, re-run with sudo permissions"
+
+#get modules:
+echo "loaded nvidia modules"
+lsmod | grep ^nvidia | awk {'print $1'}
+
+#clear loop:
+for mod in $(lsmod | grep ^nvidia | awk {'print $1'}); do echo $mod; rmmod $mod
+
+#check for clear modules before starting services again:
+check=$(lsmod | grep ^nvidia)
+if [[ $? != 0 ]]; then
+  echo "command execution checking for modules with lsmod failed mid-script, clean up may have completed anyway, checking status"
+  nvidia-smi
+elif [[ $check ]]; then
+  echo "modules not entirely removed, may require manual removal."
+  echo "here are the running modules, use pkill to stop the pids associated, then re-run"
+  lsof /dev/nvidia*
+  exit 1
+else
+  echo "modules removed successfully, restarting nvidia access"
+  nvidia-smi
+fi