s390x doesn't use GRUB. To make sure the boot entries are updated, call
zipl after running grubby.
Suggested-by: smitterl(a)redhat.com
Signed-off-by: Coiby Xu <coxu(a)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.
+
Estimate crashkernel
====================
--
2.35.3