test: add dmesg output to logs on error.

This can help isolate the problem.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/test b/test
index 6f79c3a..d268433 100755
--- a/test
+++ b/test
@@ -304,6 +304,8 @@ do_test() {
     else
       log=log
       cat $targetdir/stderr >> $targetdir/log
+      echo "=======================dmesg=================" >> $targetdir/log
+      dmesg | tail -n 200 >> $targetdir/log
       if [ $exitonerror == 0 ]; then
 	  log=log-`basename $_script`
 	  mv $targetdir/log $targetdir/$log