Update - I can get EMC2 CVS HEAD to start up with no errors if I start it as root. Otherwise it fails at the insmod stage. I guess regular users don't have permission to do this.
So how do I solve this problem? thanks for the help! Andy -------- Original Message -------- Subject: Problems Compiling/Running Date: Sun, 28 Oct 2007 19:22:20 -0700 From: Andrew Ayre <[EMAIL PROTECTED]> To: EMC List <emc-users@lists.sourceforge.net> Hi! For various reasons I have chosen to build my own kernel and compile EMC2. I'm nearly there but stumbling at the last stage. I have patched a vanilla 2.6.22 kernel with RTAI. My PC boot and runs normally and I can execute all the RTAI scripts in the testsuite. I am using Ubuntu 7.10. I compiled the CVS HEAD revision of EMC2 and installed it. When I run it, after picking a configuration (Axis Sim) it segfaults. Next I tried version 2.1.7 of EMC2. This fails to compile with: /home/andy/Desktop/emc2/emc2/src/rtapi/rtai_rtapi.c:128: error: size of array ‘type name’ is negative make[2]: *** [/home/andy/Desktop/emc2/emc2/src/rtapi/rtai_rtapi.o] Error 1 make[1]: *** [_module_/home/andy/Desktop/emc2/emc2/src] Error 2 make[1]: Leaving directory `/usr/src/linux-headers-2.6.22-realtime' make: *** [modules] Error 2 Here is the relevant section of code: static int msg_level = RTAPI_MSG_INFO; /* message printing level */ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) MODULE_PARM(msg_level, "i"); #else #include <linux/param.h> module_param(msg_level, int, S_IRUGO | S_IWUGO); <= **line 128** #endif MODULE_PARM_DESC(msg_level, "debug message level (default=3)"); Any suggestions on what I should do next? Was a bug fixed in 2.1.7 that fixed the compile problem? What information can I provide on the segfault to troubleshoot it? It seems there is a problem with the linux headers. Here is how I configured emc2: ./configure --with-realtime=/usr/realtime --with-kernel-headers=/usr/src/linux-headers-2.6.22-realtime I am using make and make install rather than the run in place option. thanks! Andy -- Andy PGP Key ID: 0x67090A54 -- Andy PGP Key ID: 0x67090A54 ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
