On Thu, Jan 11, 2007 at 01:06:11PM +0100, Welterlen Benoit wrote: > Hello all, > > I try kdump with 2.6.20-rc4 kernel from kernel.org. > I successfully reboot on the debug kernel after c sys-rq but I have an > error : > Kdump: vmcore not initialized > > I can not access the /proc/vmcore with crash or gdb. > In the source code, it can be in parse_crash_elf_headers, > parse_crash_elf64_headers or other, but I have no more messages from the > kernel. you can use /proc/cmdline in second kernel to see exactly what options were passed to this kernel. > How can I check that the elfcorehdr_addr has been passed correctly by > the crashed kernel ? > Did you already see this kind of problem ? Is there an other patch to > apply on the kernel or kernel.org is the only source to have kdump working ? I don't test it on IA64. Nanhai, Magnus or Horms do lot of testing on IA64. Thanks Vivek