Thanks. That did help getting kexec to work. However I still do not get a crash dump - echo c > /proc/sysrq-trigger does not get a crash dump. Any thoughts? Thanks, Anil -----Original Message----- From: Dave Young [mailto:dyoung@xxxxxxxxxx] Sent: 29 November 2017 13:09 To: Gurumurthy, Anil <Anil.Gurumurthy at cavium.com> Cc: kexec at lists.infradead.org Subject: Re: kdump issues with 4.11 kernel Hi, On 11/29/17 at 05:29am, Gurumurthy, Anil wrote: > Hello, > ? I was facing trouble getting a crash dump on 4.11 kernel. Debugging a bit, I see that the kexec run from the cmd line fails. Any ideas on what I could be missing? > > [root at localhost ~]# kexec -p /boot/vmlinuz-`uname -r` > --initrd=/boot/initramfs-`uname -r`kdump.img ELF core (kcore) parse > failed Cannot load /boot/vmlinuz-4.11.12+ > Can you try below kexec-tools commit: commit ed15ba1b9977e506637ff1697821d97127b2c919 Author: Pratyush Anand <panand at redhat.com> Date: Wed Mar 1 11:19:42 2017 +0530 build_mem_phdrs(): check if p_paddr is invalid Thanks Dave
