> On Thu, Oct 01, 2015 at 07:01:50AM +0000, ???? / KAWAI?HIDEHIRO wrote: > > I suppose that a sever which uses this feature will equip a BMC > > and BMC mandatorily supports hard reset command for the server. > > If the HA clustering software detects no response from the server > > after relatively long timeout, it might want to insert hard reset > > to the server by IPMI over LAN. > > So why doesn't the capture kernel *automatically* ignore external NMIs, > without a cmdline option? > > Before it starts capturing, it says: "I'm starting capturing and am > ignoring external NMIs from now on." But how do we check if the starting kernel is a dump capture kernel? I think using cmdline option is the simplest way. You just have to add "noextnmi" to KDUMP_COMMANDLINE_APPEND in /etc/sysconfig/kdump. Regards, Hidehiro Kawai Hitachi, Ltd. Research & Development Group
