copy of /proc/vmcore

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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

I miss some step?

-- 
yermandu
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