On Thu, Jan 28, 2010 at 05:04:57PM -0600, Jeff Epler wrote: > 2.6.30.5-rtai hits a kernel BUG when ctrl_type= is specified. > Investigation of in-kernel users of module_param_array(charp) implies > that they all use zero'd out arrays, in contrast to our initialized array. > the BUG is that param_set_charp attempts to kfree the old value. > > Revamp how stepgen treats ctrl_type so that an empty or unspecified value > is treated like 'v', so that the initial ctrl_type can be uninitialized. > This has the side effect of making empty ctrl_types (e.g., ctrl_type=p,v,,v) > indicate position control. > --- > I verified that this still works OK on sim and 2.6.12-magma (breezy! but > the only realtime system I had handy); does it fix stepgen ctrl_type > with your kernel?
Acemi, Did you ever test this patch? Did it resolve the problem? Jeff ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
