On Thu, 02 Jun 2011 18:34:29 -0300, Yermandu Patapitafious wrote: > Hello, > > The /proc/vmcore is not present before or after the crash > > I load the kernel from grub pass parameter: crashkernel=256M mem=2048M > bootmem_debug > and then kexec -p bzImage --append="root=/dev/sda5 maxcpus=1 irqpool > reset_devices" > so i send request : echo c > /proc/sysrq-trigger > > ok the kernel broken is loaded > > Now i have a question: > The system is stopped and i receive the message: Switching back to > console > > I assume that i need force reboot in this point, because system is > freezed. > > i dont see the /proc/vmcore , /dev/oldmem contains few datas Do you have CONFIG_PROC_VMCORE=y in your kernel config? And after you enable it, did you see "elfcorehdr=X" is passed to your second kernel?
