(2013/12/24 18:53), Jovi Zhangwei wrote: >>> Still no crash, use your kernel config. >>> memcpy and __memcpy have same address in /proc/kallsyms. >>> >>> Looks like a interesting problem. >> >> Agreed. In my case, those have same address, but only probing >> __memcpy caused a kernel crash. I'm not sure why, but it is >> safe to disable probing on it. >> > Shall we need dig further to address the root cause? IMO, the kprobe > should act same behavior when given same probe address, but it's look > so weird in your box. :) Hmm, right now, I tried it again and found the bug disappeared... I'm using the latest tip kernel for the test; 3ab838d7723e9fbfd49b2d395752bd68e1ef4b71 Should I remove this patch until it happens again? Thank you, -- Masami HIRAMATSU IT Management Research Dept. Linux Technology Center Hitachi, Ltd., Yokohama Research Laboratory E-mail: masami.hiramatsu.pt@xxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html