test: add dmesg output to logs on error.

This can help isolate the problem.

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

diff --git a/test b/test
index 6f79c3ad176b71778249af4b8a14c4ca799b59e6..d268433eb73db166b6af634ce12ac6e472b2e961 100755 (executable)
--- 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