BMC固件升级失败，重启后自动回退到升级前的版本。

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【BMC版本】5.09.12.21（POC版本）
【问题现象】 S920X20机器，从5.09.12.21升级到5.05.12.25时升级失败，重启后自动回退到5.09.12.21版本
【日志】
1、operation.log日志信息如下：

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image1145×246 16.6 KB

2、从framework.log中查看iam组件异常

image
image1326×379 60.7 KB

3、app.log中iam相关日志如下

image
image1319×404 33.6 KB

【求助】

如何进一步定位iam组件异常的原因？

2512版本固件回退问题
开机过程中出现看门狗超时导致系统重启
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从app.log日志里看， 是枚举值不合法，不在枚举的范围内。 日志截图不全，看不到关键的信息。
麻烦提供下 app.log截图中倒数第4（(main.lua(39))）和第5行(init.lua(98))的完整日志信息。

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2025-09-22 15:42:55.266762 firmware_mgmt NOTICE: object_manage.lua(336): delay start, owner: firmware_mgmt, delay: 10ms
2025-09-22 15:42:55.436709 iam NOTICE: mc_admin.lua(88): no service json info
2025-09-22 15:42:55.523536 ipmi_core NOTICE: ipmi_core_app.lua(561): current dft mode is false
2025-09-22 15:42:55.523972 ipmi_core NOTICE: ipmi_core_app.lua(601): ipmi_core app started completed.
2025-09-22 15:42:55.688565 iam ERROR: C: [WSEC_CBB][318] (UTC) 2025-09-22 15:42:55 KMC is running, not initialize repeatedly before finalized.
2025-09-22 15:42:55.766642 compute NOTICE: object_manage.lua(336): delay start, owner: compute, delay: 10ms
2025-09-22 15:42:55.778043 bmc_soc NOTICE: object_manage.lua(159): start to add objects, path: /bmc/kepler/ObjectGroup/00, position: 00, life cycle id: 1, count: 21
2025-09-22 15:42:55.782615 bmc_soc NOTICE: uart_data.lua(96): add object, class: UartCircularLog, name: UartCircularLog_2_00, position: 00
2025-09-22 15:42:55.855557 bmc_soc NOTICE: init.lua(93): add object, class: NandInfo, name: NandInfo_JBL2_00, position: 00
2025-09-22 15:42:55.857237 bmc_soc NOTICE: init.lua(93): add object, class: NandInfo, name: NandInfo_SanDisk_00, position: 00
2025-09-22 15:42:55.944700 trust NOTICE: trust_app.lua(106): rtos security config app init end
2025-09-22 15:42:55.945091 trust NOTICE: trust_app.lua(108): security policy app init start
2025-09-22 15:42:55.973399 bmc_soc NOTICE: init.lua(93): add object, class: NandFlash, name: NandFlash_00, position: 00
2025-09-22 15:42:55.988313 iam NOTICE: key_client_lib.lua(174): start listen on change of keyid from path: /bmc/kepler/KeyService/Kmc/Keys/5
2025-09-22 15:42:55.989556 iam NOTICE: key_client_lib.lua(108): Start Refresh MK Mask.
2025-09-22 15:42:56.006523 iam NOTICE: iam_app.lua(330): iam class init start
2025-09-22 15:42:56.027165 iam WARNING: init.lua(98): column.lua:334 > enum.lua:75 > validate.lua:44: The value 9 for the property Column Type is not in the list of acceptable values.
2025-09-22 15:42:56.029111 iam ERROR: main.lua(39): new iam app failed, error info : PropertyValueNotInList: The value 9 for the property Column Type is not in the list of acceptable values.
2025-09-22 15:42:56.030622 iam NOTICE: main.lua(41): new iam app success
2025-09-22 15:42:56.032412 iam NOTICE: main.lua(46): iam app dispatch
2025-09-22 15:42:56.068906 trust NOTICE: trust_app.lua(110): security policy app init end

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补充一下现象：

1、出现问题的这台机器之前升级5.05.12.15、5.05.12.21、5.05.12.25均自动回退，最近升级5.05.12.23正常了。

2、另外一台机器从5.09.12.21升级到5.05.12.25是正常的

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  1. 麻烦 通过cat /etc/package_info | grep iam 或一键收集日志里查看iam 的版本。
  2. 这些版本是怎么来的，有做过什么修改和定制么。
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出现问题的机器，恢复出厂设置之后可以正常升级了。