-# activated then.
-#grmlserial#T0:23:respawn:/sbin/getty -L ttyS0 -l /usr/bin/zsh-login 115200,57600,38400,19200,9600,4800,2400,1200 vt100
-#grmlserial#T1:23:respawn:/sbin/getty -L ttyS1 -l /usr/bin/zsh-login 115200,57600,38400,19200,9600,4800,2400,1200 vt100
+# activated and %serialspeed% will be replaced with the according baude rate
+# settings specified on kernel command line then.
+#grmlserial#T0:23:respawn:/bin/bash -c "/sbin/getty -L ttyS0 -l /usr/bin/zsh-login %serialspeed% vt100 || sleep 30"
+#grmlserial#T1:23:respawn:/bin/bash -c "/sbin/getty -L ttyS1 -l /usr/bin/zsh-login %serialspeed% vt100 || sleep 30"