On Sun, Sep 03, 2006 at 11:45:15AM -0500, Jacob Yocom-Piatt wrote: > i've been adding code to sys/dev/vnd.c and have panicked a kernel that is > recompiled with these changes. i have a few questions related to this issue: > > - is there a way to avoid having to recompile the whole kernel when making > edits > to only a single file? i'm accustomed to the config, make clean, make depend, > make cycle and want to speed things up.
just do "make" in /use/src/sys/arch/$myarch/compile/GENERIC instead of the other things you are typing now. Follow with a "make install" or copy the file somewhere where you can boot it (man boot). > > - am i correct in saying you cannot "update" the kernel while it is running, > i.e. avoid rebooting everytime a new kernel is compiled? Correct. > > - is it possible to get line numbers of the source that panicked the kernel? > when using gcc and gdb with the -g switch it is much easier to debug code. man crash > > - the "info gdb" docs provide a wealth of examples that are very illustrative. > is there something analogous for ddb? man ddb > > these questions may seem silly to those who already know the answers, so > please > don't club me too harshly. *club* > > cheers, > jake
