Hi Junxiao, Thanks for your time so far on this problem. It took some time, because I've never had to generate a vmcore before, but I have one now and it looks usable from what I've seen using crash and gdb on it. It's a bit large, 1.1GB. How can I share it? Also, I'm assuming you'll also need the vmlinux image that it came from? It's also a bit big, 251MB. -- Dan