From 09ab1debcc752ed7d9dbff5731450f9a0df7761a Mon Sep 17 00:00:00 2001
From: zhangqiumiao <zhangqiumiao1@huawei.com>
Date: Wed, 23 Sep 2020 11:23:11 +0800
Subject: [PATCH] enable kdump and set default reserve memory 512M

---
 com_redhat_kdump/common.py        | 2 +-
 com_redhat_kdump/service/kdump.py | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/com_redhat_kdump/common.py b/com_redhat_kdump/common.py
index b8450c8..992d63e 100644
--- a/com_redhat_kdump/common.py
+++ b/com_redhat_kdump/common.py
@@ -71,7 +71,7 @@ def getMemoryBounds():
         minUsable = 1024
         step = 1
     elif arch == 'aarch64':
-        lowerBound = 768
+        lowerBound = 512
         minUsable = 768
         step = 1
     else:
diff --git a/com_redhat_kdump/service/kdump.py b/com_redhat_kdump/service/kdump.py
index ff902b7..2764e6a 100644
--- a/com_redhat_kdump/service/kdump.py
+++ b/com_redhat_kdump/service/kdump.py
@@ -47,8 +47,13 @@ class KdumpService(KickstartService):
         self._fadump_enabled = False
         self.fadump_enabled_changed = Signal()
 
-        self.reserveMB = "auto"
         lower, upper, step = getMemoryBounds()
+        # set default reserveMB
+        # ensure that 512M is not out of MemoryBounds
+        if (upper > 512):
+            self._reserved_memory = "512"
+        else:
+            self._reserved_memory = "%d" % lower
         self.reserved_memory_changed = Signal()
 
     def publish(self):
-- 
2.19.1