On 05/24/18 at 01:08pm, Bhupesh Sharma wrote: > The kdump tool presently allows one to generate an ELF file containing > the ELF header, PT_NOTE and PT_LOAD segments (which can be analyzed > later by tools like 'readelf') of the crashdump read from memory, when > passed with an appropriate 'elfcorehdr' value(which represents the > physical address of the start of the ELF header). > > With the availability of tools like crash/gdb the analysis of the > crashdump core has become rather easy, and it makes the kdump tool > obsolete. Also the same naming convention (man page) causes confusion > when compared to similarly named distribution specific kdump > service/utilities. > > Also most distributions (like Fedora for e.g.) now support more > enhanced kdump service and utilities which can be used to analyze the > crashdump core contents better. Taking an example of the Fedora > specific kdump service and utilities, the following sequence of steps > happen when the primary kernel crashes: > > 1. If the crashkernel is loaded, then the system starts executing the > same. > > 2. When the boot process gets to the point when kdump service is > started, the crashdump core is usually copied out to disk (for e.g. > inside '/var/crash') using 'cp' command from '/proc/vmcore': > # cp /proc/vmcore <dump-file> > > 3. Thereafter the system is rebooted back into the normal kernel. > > 4. Once back to your normal kernel, one can use the crashdump core > available on hard disk in conjunction with the previously installed > kernel (with debuginfo) to perform postmortem analysis with tools like > gdb/crash: > # gdb vmlinux <dump-file> > > Accordingly, this patch removes the obsolete kdump tool from > 'kexec-tools'. The main issue for me is the manpage kdump.8 cause confusion to people The kdump tools is not a main problem to exist or not, but I think removing the kdump tool along with the man page looks a good cleanup :) Reviewed-by: Dave Young <dyoung@xxxxxxxxxx> Thanks Dave _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
