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Clear old crashkernl=auto in comment and doc 

Resolves: bz1986250
Upstream: Fedora

commit 097059dedc987548742437bca6fd90793cf74c18
Author: Kairui Song <kasong@redhat.com>
Date:   Fri Jul 30 14:40:45 2021 +0800

    Clear old crashkernl=auto in comment and doc

    Acked-by: Pingfan Liu <piliu@redhat.com>
    Signed-off-by: Kairui Song <kasong@redhat.com>

Signed-off-by: Kairui Song <kasong@redhat.com>
This commit is contained in:
Kairui Song 2021-07-30 14:40:45 +08:00 committed by Tao Liu
parent a42016ff19
commit f3db4acbcf
2 changed files with 7 additions and 4 deletions
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9
fadump-howto.txt
View File

@ -340,9 +340,12 @@ 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.

2
kdumpctl
View File

@ -1230,7 +1230,7 @@ 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)