From 73ced7f451a725f4a2f7db5f0e1c6e7918538204 Mon Sep 17 00:00:00 2001 From: Coiby Xu Date: Mon, 15 Nov 2021 15:45:59 +0800 Subject: [PATCH] introduce the auto_reset_crashkernel option to kdump.conf This option will determine whether to reset kernel crashkernel to new default value or not when kexec-tools updates the default crashkernel value and existing kernels using the old default kernel crashkernel value. Default to yes. Reviewed-by: Pingfan Liu Reviewed-by: Philipp Rudo Signed-off-by: Coiby Xu --- kdump.conf | 7 +++++++ kdump.conf.5 | 6 ++++++ 2 files changed, 13 insertions(+) diff --git a/kdump.conf b/kdump.conf index dea2e94..d4fc78b 100644 --- a/kdump.conf +++ b/kdump.conf @@ -11,6 +11,12 @@ # # Supported options: # +# auto_reset_crashkernel +# - whether to reset kernel crashkernel to new default value +# or not when kexec-tools updates the default crashkernel value and +# existing kernels using the old default kernel crashkernel value. +# The default value is yes. +# # raw # - Will dd /proc/vmcore into . # Use persistent device names for partition devices, @@ -170,6 +176,7 @@ #ssh user@my.server.com #ssh user@2001:db8::1:2:3:4 #sshkey /root/.ssh/kdump_id_rsa +auto_reset_crashkernel yes path /var/crash core_collector makedumpfile -l --message-level 7 -d 31 #core_collector scp diff --git a/kdump.conf.5 b/kdump.conf.5 index 6e6cafa..e3e9900 100644 --- a/kdump.conf.5 +++ b/kdump.conf.5 @@ -26,6 +26,12 @@ understand how this configuration file affects the behavior of kdump. .SH OPTIONS +.B auto_reset_crashkernel +.RS +determine whether to reset kernel crashkernel to new default value +or not when kexec-tools updates the default crashkernel value and +existing kernels using the old default kernel crashkernel value + .B raw .RS Will dd /proc/vmcore into . Use persistent device names for