On Tue, Jan 24, 2017 at 09:27:45AM +0800, Xunlei Pang wrote: > It occurred on real hardware when testing crash dump. > > 1) SysRq-c was injected for the test in 1st kernel > [ 49.897279] SysRq : Trigger a crash 2) The 2nd kernel started for kdump > [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.10.0-229.el7.x86_64 root=UUID=976a15c8-8cbe-44ad-bb91-23f9b18e8789 Yeah, no, I'm not debugging the RH Frankenstein kernel. Please retrigger this with latest tip/master first. -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.