On Tue, 12 Jul 2022 16:20:13 +0800 Coiby Xu coxu@redhat.com wrote:
s390x doesn't use GRUB. To make sure the boot entries are updated, call zipl after running grubby.
Suggested-by: smitterl@redhat.com Signed-off-by: Coiby Xu coxu@redhat.com
crashkernel-howto.txt | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/crashkernel-howto.txt b/crashkernel-howto.txt index 6573847..0f07ed8 100644 --- a/crashkernel-howto.txt +++ b/crashkernel-howto.txt @@ -82,6 +82,8 @@ kernels to the default value is:
grubby --update-kernel ALL --args "crashkernel=$(kdumpctl get-default-crashkernel)"
+If you do it on a s390x system, you need to run zipl with no argument afterwards.
Good catch!
Personally I would prefer
NOTE: On s390x you also need to run zipl for the change to take effect.
Nevertheless Reviewed-by: Philipp Rudo prudo@redhat.com
Estimate crashkernel