Signed-off-by: Kairui Song <kasong(a)redhat.com>
---
fadump-howto.txt | 9 ++++++---
kdumpctl | 2 +-
2 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/fadump-howto.txt b/fadump-howto.txt
index 433e9a6..bc87644 100644
--- a/fadump-howto.txt
+++ b/fadump-howto.txt
@@ -344,9 +344,12 @@ or
OR
# grubby --update-kernel=/boot/vmlinuz-`uname -r` --args="fadump=off"
-If KDump is to be used as the dump capturing mechanism, update the crashkernel
-parameter (Else, remove "crashkernel=" parameter too, using grubby):
+Remove "crashkernel=" from kernel cmdline parameters:
- # grubby --update-kernel=/boot/vmlinuz-$kver --args="crashkernl=auto"
+ # grubby --update-kernel=/boot/vmlinuz-`uname -r`
--remove-args="crashkernel"
+
+If KDump is to be used as the dump capturing mechanism, reset the crashkernel parameter:
+
+ # kdumpctl reset-crashkernel `uname -r`
Reboot the system for the settings to take effect.
diff --git a/kdumpctl b/kdumpctl
index 0fb73b6..f10b091 100755
--- a/kdumpctl
+++ b/kdumpctl
@@ -1232,7 +1232,7 @@ do_estimate()
baseline=$((${baseline%Y} * 1048576))
fi
- # The default value when using crashkernel=auto
+ # The default pre-reserved crashkernel value
baseline_size=$((baseline * size_mb))
# Current reserved crashkernel size
reserved_size=$(cat /sys/kernel/kexec_crash_size)
--
2.31.1
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