On Wed, Aug 22, 2007 at 09:08:38PM +0900, Ken'ichi Ohmichi wrote: > > Hi Andrew, > > This patch set frees the restriction that makedumpfile users should > install a vmlinux file (including the debugging information) into > each system. > > makedumpfile command is the dump filtering feature for kdump. > It creates a small dumpfile by filtering unnecessary pages for the > analysis. To distinguish unnecessary pages, it needs a vmlinux file > including the debugging information. These days, the debugging package > becomes a huge file, and it is hard to install it into each system. > > To solve the problem, kdump developers discussed it at lkml and kexec-ml. > As the result, we reached the conclusion that necessary information > for dump filtering (called "vmcoreinfo") should be embedded into the > first kernel file and it should be accessed through /proc/vmcore > during the second kernel. > (http://www.uwsg.iu.edu/hypermail/linux/kernel/0707.0/1806.html) > > Dan Aloni created the patch set for the above implementation. > (http://www.uwsg.iu.edu/hypermail/linux/kernel/0707.1/1053.html) > > And I updated it for multi architectures and memory models. > (http://lists.infradead.org/pipermail/kexec/2007-August/000479.html) > > > PATCH SET: > [1/3] [linux] Add vmcoreinfo > The patch is for linux-2.6.22. > The patch adds the vmcoreinfo data. Its address and size are output > to /sys/kernel/vmcoreinfo. > Looks good to me. Thanks Vivek
