I want start to evaluate RTAI (or RTL) in a my embedded project. I have a Pentium II 300 MHZ, this happened installing RTAI 0.9. I started with a 2.2.12 kernel patched with RTAI0.9/2.2.12/copyto. Compiling the kernel with modversioning and SMP enabled I get "FIX_IO_APIC_BASE unresolved ". I change it to "FIX_APIC_BASE". "i386_bh_lock unresolved", I added the variable in irq. Then I compile RTAI module including "linux/modversions.h> but I had to write the versioned symbol of rthal (got with ksyms) explicitely in the macro SYSTEM_STR(....). After this the system seems to work rightr but I have no yet made extensive test. did I do rigth ? Another question : I had to built a linux system with a minimum memory and hard disk requirements (it is for an embedded application). I need only the basic kernel, and (optionally) a tcp-ip stack. Some advise ? Best regards Eng. Nicola Pace -- [rtl] --- To unsubscribe: echo "unsubscribe rtl" | mail [EMAIL PROTECTED] OR echo "unsubscribe rtl <Your_email>" | mail [EMAIL PROTECTED] --- For more information on Real-Time Linux see: http://www.rtlinux.org/rtlinux/