thanks,

apt-get dont find the knoppix-kernel.patch but it is already at /usr/src/
Here it is

--- linux/arch/i386/kernel/setup.c.orig 2002-10-04 01:02:25.000000000 +0200
+++ linux/arch/i386/kernel/setup.c 2002-10-04 01:03:24.000000000 +0200
@@ -195,7 +195,7 @@
#define INITRD_START (*(unsigned long *) (PARAM+0x21)
#define INITRD_SIZE (*(unsigned long *) (PARAM+0x21c))
#define COMMAND_LINE ((char *) (PARAM+204)
-#define COMMAND_LINE_SIZE 256
+#define COMMAND_LINE_SIZE 512 /* The boot commandline in Knoppix can get quite long -KK Oct. 2002 */

#define RAMDISK_IMAGE_START_MASK 0x07FF
#define RAMDISK_PROMPT_FLAG 0x8000