WIP: RHEL/Fedora now defaults to setting crashkernel

test/verify/check-kdump

@@ -24,9 +24,11 @@ from lib.constants import TEST_OS_DEFAULT
 class KdumpHelpers(testlib.MachineCase):
     def enableKdump(self):
         # all current Fedora/CentOS/RHEL images use BootLoaderSpec
-        self.machine.execute("grubby --args=crashkernel=256M --update-kernel=ALL")
+        if self.machine.image == "fedora-38":
+            self.machine.execute("grubby --args=crashkernel=192M --update-kernel=ALL")
+            self.machine.reboot()
+
         self.machine.execute("mkdir -p /var/crash")
-        self.machine.reboot()
         self.allow_restart_journal_messages()
         self.machine.start_cockpit()
         self.browser.switch_to_top()
@@ -68,7 +70,8 @@ class TestKdump(KdumpHelpers):
         m = self.machine
 
         b.wait_timeout(120)
-        m.execute("systemctl enable kdump; systemctl start kdump || true")
+        if m.image.startswith("fedora"):
+            m.execute("systemctl enable kdump; systemctl start kdump || true")
 
         self.login_and_go("/kdump")
 
@@ -148,7 +151,7 @@ class TestKdump(KdumpHelpers):
         self.crashKernel("copied through SSH to root@localhost:/var/crash as vmcore", cancel=True)
 
         # we should have the amount of memory reserved that we indicated
-        b.wait_in_text("#app", "256 MiB")
+        b.wait_in_text("#app", "192 MiB")
         # service should start up properly and the button should be on
         b.wait_in_text("#app", "Service is running")
         assertActive(active=True)