11 листопада 2009 о 10:41 +0100 Eugeniy Meshcheryakov написав(-ла): > Hello, > > 10 листопада 2009 о 13:38 -0500 James Y Knight написав(-ла): > > Unless something *further* strange is going on in my environment, > > anyone should be able to reproduce by: > > 1) removing the symlink to your kernel build dir (rm /lib/modules/ > > $VERS/build): renaming is not enough, systemtap still finds it! > > 2) ensuring that the debug info in /usr/lib/debug is stripped of > > code with objcopy --only-keep-debug. > > 3) ensuring the kernel modules in /lib/modules/$VERS are stripped of > > debug info. > This does not work at all. With DWARF probes stap does not find debug > info (and does not segfault). With dwarfless probes stap still requires > build directory (I guess to build module?) and does not segfault. > I tried to symlink snd.ko to snd.ko.debug and can reproduce the bug now.