diff --git a/tests/hwsim/vm/inside.sh b/tests/hwsim/vm/inside.sh
index 3cbfe1081..8112ab4b2 100755
--- a/tests/hwsim/vm/inside.sh
+++ b/tests/hwsim/vm/inside.sh
@@ -14,6 +14,8 @@ mount debugfs -t debugfs /sys/kernel/debug
 
 export PATH=/usr/sbin:$PATH
 
+echo 8 8 8 8 > /proc/sys/kernel/printk
+
 # reboot on any sort of crash
 sysctl kernel.panic_on_oops=1
 sysctl kernel.panic=1