LoongArch: 多路服务器kdump服务不能产生vmcore

【标题描述】LoongArch多路服务器开启kdump服务后无法产生vmcore
【环境信息】
硬件信息：
1）型号：Dabieshan T22C08B0 3C5000+7A2000双路服务器
软件信息：
1） OLK-5.10 及openEuler-22.03-LTS
2）问题组件：kdump服务
【问题复现步骤】
命令行添加crashkernel=512M
yum install kexec-tools
systemctl start kdump
echo c >/proc/sysrq-trigger
必现
【预期结果】
可生成vmcore
【实际结果】
无法生成vmcore
【附件信息】
kdump内核的打印：

[ 2.512573] ACPI: Added _OSI(Module Device)
[ 2.516729] ACPI: Added _OSI(Processor Device)
[ 2.521141] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 2.525811] ACPI: Added _OSI(Processor Aggregator Device)
[ 2.531173] ACPI: Added _OSI(Linux-Dell-Video)
[ 2.535586] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[ 2.540862] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
[ 2.546074] ACPI Error: AE_NO_ACPI_TABLES , While loading namespace from ACPI tables (20200925/tbxfload-68)
[ 2.560854] ACPI Error: Could not enable GlobalLock event (20200925/evxfevnt-182)
[ 2.568293] ACPI Warning: Could not enable fixed event - GlobalLock (1) (20200925/evxface-618)
[ 2.576856] ACPI Error: No response from Global Lock hardware, disabling lock (20200925/evglock-59)
[ 2.585936] ACPI: Interpreter enabled
[ 2.589582] ACPI: (supports S0)
[ 2.592696] ACPI: Using LPIC for interrupt routing
[ 2.597465] ACPI: MCFG table detected, 2 entries
[ 2.602315] iommu: Default domain type: Translated
[ 2.607223] vgaarb: loaded
[ 2.610002] SCSI subsystem initialized
[ 2.613865] ACPI: bus type USB registered
[ 2.617872] usbcore: registered new interface driver usbfs
[ 2.623331] usbcore: registered new interface driver hub
[ 2.628635] usbcore: registered new device driver usb
[ 2.633684] pps_core: LinuxPPS API ver. 1 registered
[ 2.638614] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti

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