lkml.org 
[lkml]   [2015]   [Oct]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRE: [V4 PATCH 4/4] x86/apic: Introduce noextnmi boot option
Date
> On Thu, Oct 01, 2015 at 07:01:50AM +0000, 河合英宏 / 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

\
 
 \ /
  Last update: 2015-10-01 12:41    [W:0.050 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site