diff --git a/kernel.spec b/kernel.spec
index f2a99bdb76e53fd84cd3a7d4063dd22435d82df6..48bfa2d68c70da9fb8ee31bc2ba87e441f9c6a8d 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -14,7 +14,7 @@ Summary: The Linux kernel
 %global released_kernel 1
 
 %define rpmversion %{?KVER:%{KVER}}%{?!KVER:4.19.91}
-%define pkgrelease %{?KREL:%{KREL}}%{?!KREL:25.1}
+%define pkgrelease %{?KREL:%{KREL}}%{?!KREL:25.2}
 
 # allow pkg_release to have configurable %%{?dist} tag
 %define specrelease %{pkgrelease}%{?dist}
@@ -1252,6 +1252,7 @@ if [ $rc != 0 ]; then\
     exit $rc\
 fi\
 %{_sbindir}/new-kernel-pkg --package kernel%{?1:-%{1}} --rpmposttrans %{KVRA}%{?1:.%{1}} || exit $?\
+grubby --update-kernel /boot/vmlinuz-%{KVRA}%{?1:.%{1}} --remove-args="crashkernel=auto" --args="crashkernel=0M-2G:0M,2G-8G:192M,8G-:256M"\
 %{nil}
 
 #
@@ -1452,6 +1453,9 @@ fi
 %kernel_variant_files %{with_debug} debug
 
 %changelog
+* Wed Jan  5 2022 Liwei Ge <geliwei@openanolis.org> [4.19.91-25.2.an7]
+- spec: update kdump args for cloud kernel
+
 * Wed Dec 22 2021 Shile Zhang <shile.zhang@linux.alibaba.com> [4.19.91-25.1.an7]
 - drivers/base/memory.c: indicate all memory blocks as removable (Guanghui Feng)
 - anolis: x86: change Makefile to support stack protector (Guanjun)
diff --git a/linux-4.19.91-25.1.an7.tar.xz b/linux-4.19.91-25.2.an7.tar.xz
similarity index 85%
rename from linux-4.19.91-25.1.an7.tar.xz
rename to linux-4.19.91-25.2.an7.tar.xz
index 609f33bccaedc2c6e2c7cbb3b2def38ecb56dd11..99d43ccd3ebcc0ca282be7da589e335378263f8b 100644
Binary files a/linux-4.19.91-25.1.an7.tar.xz and b/linux-4.19.91-25.2.an7.tar.xz differ