AI设别导致系统崩溃

mhz1437

fnOS 完整日志深度分析 ## 一、日志分段总览 日志分为两大块： 1. **2026-07-03 20:12~20:32 运行时崩溃日志**：核心故障段，内核Oops、kswapd/图片处理进程大面积崩溃、内存回收栈溢出 2. **2026-07-04 09:51 开机启动日志**：机器重启后的开机dmesg，附带少量服务缺失告警，无新内核崩溃 硬件平台：HP Z230 SFF 工作站，自定义fnOS内核 `6.18.18.c788-trim`，搭载NVIDIA闭源显卡驱动、ZFS文件系统。 ## 二、次要业务告警（非致命，仅日志噪音） ### 1. trim_sac 循环报 record not found `sql SELECT * FROM "entry" WHERE source = 'docker' AND app_name = 'de5fcde8887b' AND service_name = 'de5fcde8887b_0' ` - 现象：每分钟定时查询Docker应用记录，返回0行，持续刷屏 - 原因：容器`de5fcde8887b`已删除/异常卸载，但fnOS定时清理任务仍按旧ID查询数据库，无匹配条目 - 影响：**无业务故障**，仅冗余日志，不引发崩溃，可忽略或重启容器管理服务清除残留记录 ### 2. trim 后台socket告警 `post_close_event to non-existent socket` - 图片预览/元数据扫描后台进程，客户端提前断开连接，服务端尝试推送关闭事件时socket已销毁 - 轻量警告，不影响系统稳定性 ### 3. 开机启动脚本缺失 ` sh: cannot open /usr/trim/bin/start_wayland.sh sh: cannot open /usr/trim/bin/start_miniscreen.sh ` - 桌面/迷你显示服务脚本被裁剪/卸载，fnOS无GUI场景，完全不影响NAS核心存储、Docker功能，纯无害报错 ### 4. 定时任务CRON、磁盘唤醒、用户登录日志 - `debian-sa1`系统性能采集、logrotate日志轮转、sde西数硬盘休眠唤醒、admin/KeyUser token登录均为正常业务日志，无异常。 ## 三、核心致命故障：内核Oops、内存回收链路全线崩溃（重点） ### 1. 崩溃现场特征 1. 崩溃触发时间：7月3日20:23 集中爆发，持续到20:32反复宕机 2. 崩溃进程列表： - `kswapd0`：系统核心内存回收守护进程（**最严重**，内核内存管理线程挂掉=内存失控） - `trim.img2vec`、`trim.face_det`：图片向量、人脸检测AI处理进程（fnOS相册缩略图/AI识图服务） - `khugepaged`：透明大页整理内核线程 3. 统一崩溃调用栈（所有进程完全一致） ` list_lru_add+0x64 → list_lru_add_obj → workingset_update_node → xas_store → __filemap_remove_folio → __remove_mapping → shrink_folio_list → evict_folios / try_to_shrink_lruvec / shrink_node → do_try_to_free_pages 内存回收路径 ` 4. 关键内核报错标记： - `BUG: unable to handle page fault` 内核页故障，CR2访问非法虚拟地址 - `exited with irqs disabled / preempt_count 2`：进程崩溃时中断被屏蔽，内核无法正常调度，直接触发Oops - 内核污染标记 `Tainted: P UD W OE` - P：专有NVIDIA驱动；UD：用户态进程死亡；W：内核警告；OE：外部编译模块（ZFS、nvidia） ### 2. 故障根因拆解 #### （1）直接诱因：内存压力过载，kswapd疯狂回收页面触发内核内存子系统BUG 栈路径清晰说明：系统内存不足，kswapd启动页缓存回收，在`list_lru_add`链表操作时访问非法内存地址，触发内核空指针/野指针页错误。 并发加重因素： - `trim.img2vec`、`trim.face_det` AI图片处理服务**内存消耗极大**，批量扫描相册时持续占用大量匿名内存、文件页缓存； - ZFS文件系统缓存大量ARC缓存，进一步挤占系统可用内存； - NVIDIA显卡UVM显存内存映射与内核页回收逻辑存在兼容性冲突（专有驱动P标记是关键疑点）。 #### （2）底层根源二选一 1. **自定义fnOS内核BUG（最高概率）** 内核版本`6.18.18.c788-trim`是厂商定制改造内核，非主线Linux稳定版，`workingset`页缓存回收、`list_lru`链表管理存在内存越界/空指针缺陷，高内存压力下必触发Oops。 2. **第三方模块兼容性冲突** ZFS(OE) + NVIDIA闭源驱动(P)双非主线内核模块，在kswapd回收大页、文件folio时修改同一内存链表，引发竞态条件内存损坏。 #### （3）连锁破坏逻辑 1. AI图片服务吃满内存 → kswapd唤醒疯狂回收缓存 2. 内核list_lru链表操作内存越界 → 触发page fault Oops 3. kswapd内核线程崩溃（kswapd0是系统关键线程） 4. 所有占用大量内存的用户态AI进程（img2vec/face_det）同步触发相同栈崩溃 5. khugepaged透明大页线程跟着崩溃，内存碎片无法整理，恶性循环 6. 最终系统内存管理失效，必须重启（日志7月4日开机记录证明已经强制重启） ## 四、风险分级 | 日志类型 | 严重等级 | 影响 | | ---- | ---- | ---- | | kswapd/Oops内核崩溃 | 致命 | 系统内存管理失效，进程批量闪退、可能数据丢失、自动重启 | | trim_sac记录不存在 | 低危 | 仅日志刷屏，无功能损坏 | | socket关闭告警、脚本缺失 | 无害 | 可直接忽略 | | 登录/磁盘唤醒/定时任务 | 正常业务日志 | 无风险 | ## 五、分步修复&缓解方案 ### 紧急缓解（立刻执行，防止再次崩溃） 1. **关停相册AI识图服务** `trim.img2vec`、`trim.face_det`是内存**元凶，临时关闭图片人脸、向量检索后台，大幅降低内存占用。 2. **限制ZFS ARC缓存大小** ZFS默认占用大量内存做缓存，在fnOS控制台或zfs参数中限制ARC最大占用物理内存50%以内，释放系统内存给kswapd。 3. **降低透明大页使用** 临时关闭透明大页`echo never > /sys/kernel/mm/transparent_hugepage/enabled`，规避khugepaged崩溃链路。 4. 增加swap交换分区，缓解物理内存耗尽触发的强制回收。 ### 中长期根治方案 1. **fnOS内核升级** 崩溃是厂商定制内核内存回收逻辑缺陷，联系厂商更新修复后的`6.18`稳定trim内核，主线Linux 6.1稳定版无此list_lru Oops问题。 2. 显卡驱动兼容优化 NVIDIA闭源驱动与自定义内核冲突，若不使用显卡转码/AI，可卸载nvidia驱动模块规避污染。 3. 清理残留Docker记录 针对`de5fcde8887b`残留记录，重启dockermgr服务或清空fnOS应用数据库残留条目，消除定时查询日志刷屏。 4. 硬件内存扩容 Z230工作站4槽内存，增加物理内存，从根源减少kswapd高频回收触发条件。 ## 六、补充判断 从重启日志可见：机器在7月3日20:32内核崩溃后，自动重启，7月4日9:51完成开机，当前系统已恢复运行；但只要再次批量扫描相册、内存打满，会复现相同内核Oops批量崩溃问题，必须按上面缓解方案操作。

飞牛技术同学

感谢反馈。你贴出的 AI 分析里有一些有效线索：崩溃似乎集中发生在相册 AI 识别相关进程（如 trim.img2vec、trim.face_det）运行期间，同时日志中疑似出现 kswapd0/khugepaged 等内核内存回收链路的 Oops。这个方向我们可以提交技术排查。

不过目前这段内容是 AI 二次整理后的结论，里面有不少推测性判断，不能直接作为根因依据。麻烦补充一次系统完整日志包，最好包含崩溃发生时间前后，以及设备内存大小、是否启用 ZFS、是否安装/启用 NVIDIA 驱动、当时是否正在进行相册 AI 扫描。拿到原始日志后技术才能确认具体原因。

mhz1437

2026-07-03T20:14:31.154088+08:00 fnOS trim_sac[1807]: #033[0m#033[33m[0.654ms] #033[34;1m[rows:0]#033[0m SELECT * FROM "entry" WHERE source = 'docker' AND app_name = '********' AND service_name = '********_0' ORDER BY "entry"."id" LIMIT 1 2026-07-03T20:14:31.168053+08:00 fnOS trim_sac[1807]: #015 2026-07-03T20:14:31.168367+08:00 fnOS trim_sac[1807]: 2026/07/03 20:14:31 #033[31;1m/app/core/modules/entry/storage/dao/entry.go:17 #033[35;1mrecord not found 2026-07-03T20:14:31.168537+08:00 fnOS trim_sac[1807]: #033[0m#033[33m[0.574ms] #033[34;1m[rows:0]#033[0m SELECT * FROM "entry" WHERE source = 'docker' AND app_name = '********' AND service_name = '********_0' ORDER BY "entry"."id" LIMIT 1 2026-07-03T20:15:01.626390+08:00 fnOS CRON[2315532]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1) 2026-07-03T20:16:31.180959+08:00 fnOS trim_sac[1807]: #015 2026-07-03T20:16:31.181210+08:00 fnOS trim_sac[1807]: 2026/07/03 20:16:31 #033[31;1m/app/core/modules/entry/storage/dao/entry.go:17 #033[35;1mrecord not found 2026-07-03T20:16:31.181309+08:00 fnOS trim_sac[1807]: #033[0m#033[33m[0.529ms] #033[34;1m[rows:0]#033[0m SELECT * FROM "entry" WHERE source = 'docker' AND app_name = '********' AND service_name = '********_0' ORDER BY "entry"."id" LIMIT 1 2026-07-03T20:17:01.819015+08:00 fnOS CRON[2315942]: (root) CMD (cd / && run-parts --report /etc/cron.hourly) 2026-07-03T20:17:42.953028+08:00 fnOS TRIMEVENT[1778]: MAINEVENT: 2026-07-03T20:17:48.322878+08:00 fnOS trim[1778]: #033[0;31mpopen_read2: WEXITSTATUS=2, smartctl ]]#033[0m 2026-07-03T20:17:48.323027+08:00 fnOS trim[1778]: [0]smartctl 2026-07-03T20:17:48.323095+08:00 fnOS trim[1778]: [1]-iAH 2026-07-03T20:17:48.323159+08:00 fnOS trim[1778]: [2]--json 2026-07-03T20:17:48.323221+08:00 fnOS trim[1778]: [3]/dev/sde 2026-07-03T20:17:48.323279+08:00 fnOS trim[1778]: [4]--nocheck=standby 2026-07-03T20:17:50.285394+08:00 fnOS TRIMEVENT[1778]: MAINEVENT: 2026-07-03T20:18:31.194519+08:00 fnOS trim_sac[1807]: #015 2026-07-03T20:18:31.194685+08:00 fnOS trim_sac[1807]: 2026/07/03 20:18:31 #033[31;1m/app/core/modules/entry/storage/dao/entry.go:17 #033[35;1mrecord not found 2026-07-03T20:18:31.194771+08:00 fnOS trim_sac[1807]: #033[0m#033[33m[0.337ms] #033[34;1m[rows:0]#033[0m SELECT * FROM "entry" WHERE source = 'docker' AND app_name = '********' AND service_name = '********_0' ORDER BY "entry"."id" LIMIT 1 2026-07-03T20:18:45.500726+08:00 fnOS trim_tfa[2822]: #015 2026-07-03T20:18:45.500927+08:00 fnOS trim_tfa[2822]: 2026/07/03 20:18:45 #033[31;1m/app/core/modules/security/storage/dao/user_security_setting.go:15 #033[35;1mrecord not found 2026-07-03T20:18:45.501084+08:00 fnOS trim_tfa[2822]: #033[0m#033[33m[0.191ms] #033[34;1m[rows:0]#033[0m SELECT * FROM `user_security_settings` WHERE uid = 1001 LIMIT 1 2026-07-03T20:18:45.505375+08:00 fnOS TRIMEVENT[1778]: MAINEVENT: 2026-07-03T20:18:45.812469+08:00 fnOS trim_app_center[1818]: #015 2026-07-03T20:18:45.812539+08:00 fnOS trim_app_center[1818]: 2026/07/03 20:18:45 #033[31;1m/app/core/storage/dao/app_risk_snapshot_record.go:19 #033[35;1mrecord not found 2026-07-03T20:18:45.812581+08:00 fnOS trim_app_center[1818]: #033[0m#033[33m[0.227ms] #033[34;1m[rows:0]#033[0m SELECT * FROM "app_risk_snapshot_record" WHERE risk_snapshot_id = 'RS********' ORDER BY "app_risk_snapshot_record"."id" LIMIT 1 2026-07-03T20:18:45.841532+08:00 fnOS trim_app_center[1818]: #015 2026-07-03T20:18:45.841594+08:00 fnOS trim_app_center[1818]: 2026/07/03 20:18:45 #033[31;1m/app/core/storage/dao/app_risk_snapshot_record.go:19 #033[35;1mrecord not found 2026-07-03T20:18:45.841628+08:00 fnOS trim_app_center[1818]: #033[0m#033[33m[0.229ms] #033[34;1m[rows:0]#033[0m SELECT * FROM "app_risk_snapshot_record" WHERE risk_snapshot_id = 'RS********' ORDER BY "app_risk_snapshot_record"."id" LIMIT 1 2026-07-03T20:18:48.730669+08:00 fnOS dockermgr[2542]: [20:18:48.729] [info] [2563] [TokenCache] clear expired token **************************** 2026-07-03T20:20:13.966578+08:00 fnOS TRIMEVENT[1778]: MAINEVENT: 2026-07-03T20:20:14.292483+08:00 fnOS trim[1778]: #033[1;33m[ne]post_close_event to non-existent socket 100, session: ********. 2026-07-03T20:20:15.121712+08:00 fnOS trim[1778]: #033[0m#033[1;33m[ne]post_close_event to non-existent socket 98, session: ********. 2026-07-03T20:20:18.965847+08:00 fnOS trim[1778]: #033[0m#033[1;33m[ne]post_close_event to non-existent socket 98, session: ********. 2026-07-03T20:20:28.019680+08:00 fnOS trim[1778]: #033[0m#033[1;33m[ne]post_close_event to non-existent socket 98, session: ********. 2026-07-03T20:20:31.203453+08:00 fnOS trim_sac[1807]: #015 2026-07-03T20:20:31.203517+08:00 fnOS trim_sac[1807]: 2026/07/03 20:20:31 #033[31;1m/app/core/modules/entry/storage/dao/entry.go:17 #033[35;1mrecord not found 2026-07-03T20:20:31.203543+08:00 fnOS trim_sac[1807]: #033[0m#033[33m[0.212ms] #033[34;1m[rows:0]#033[0m SELECT * FROM "entry" WHERE source = 'docker' AND app_name = '********' AND service_name = '********_0' ORDER BY "entry"."id" LIMIT 1 2026-07-03T20:20:31.431860+08:00 fnOS trim[1778]: #033[0m#033[1;33m[ne]post_close_event to non-existent socket 98, session: ********. 2026-07-03T20:20:35.817435+08:00 fnOS trim[1778]: #033[0m#033[1;33m[ne]post_close_event to non-existent socket 99, session: ********. 2026-07-03T20:20:42.825817+08:00 fnOS trim[1778]: #033[0m#033[1;33m[ne]post_close_event to non-existent socket 99, session: ********. 2026-07-03T20:20:45.149075+08:00 fnOS trim[1778]: #033[0m#033[1;33m[ne]post_close_event to non-existent socket 100, session: ********. 2026-07-03T20:20:58.519954+08:00 fnOS trim[1778]: #033[0m#033[1;33m[ne]post_close_event to non-existent socket 100, session: ********. 2026-07-03T20:21:03.423765+08:00 fnOS trim[1778]: #033[0m#033[1;33m[ne]post_close_event to non-existent socket 100, session: ********. 2026-07-03T20:21:37.800520+08:00 fnOS trim[1778]: #033[0m#033[1;33m[ne]post_close_event to non-existent socket 101, session: ********. 2026-07-03T20:21:48.301247+08:00 fnOS trim[1778]: #033[0m#033[1;33m[ne]post_close_event to non-existent socket 96, session: ********. 2026-07-03T20:22:07.219957+08:00 fnOS trim[1778]: #033[0m#033[1;33m[ne]post_close_event to non-existent socket 94, session: ********. 2026-07-03T20:22:11.222521+08:00 fnOS trim[1778]: #033[0m#033[1;33m[ne]post_close_event to non-existent socket 94, session: ********. 2026-07-03T20:22:21.463864+08:00 fnOS trim[1778]: #033[0m#033[1;33m[ne]post_close_event to non-existent socket 99, session: ********. 2026-07-03T20:22:31.216911+08:00 fnOS trim_sac[1807]: #015 2026-07-03T20:22:31.217114+08:00 fnOS trim_sac[1807]: 2026/07/03 20:22:31 #033[31;1m/app/core/modules/entry/storage/dao/entry.go:17 #033[35;1mrecord not found 2026-07-03T20:22:31.217262+08:00 fnOS trim_sac[1807]: #033[0m#033[33m[0.555ms] #033[34;1m[rows:0]#033[0m SELECT * FROM "entry" WHERE source = 'docker' AND app_name = '********' AND service_name = '********_0' ORDER BY "entry"."id" LIMIT 1 2026-07-03T20:23:11.445689+08:00 fnOS kernel: [514139.842338] RIP: 0010:list_lru_add+0x64/0x170 2026-07-03T20:23:11.446041+08:00 fnOS kernel: [514139.842486] RSP: 0018:******** EFLAGS: 00010002 2026-07-03T20:23:11.446049+08:00 fnOS kernel: [514139.842565] RDX:******** RSI:******** RDI:******** 2026-07-03T20:23:11.446051+08:00 fnOS kernel: [514139.842655] R10: 0000000000000000 R11: 0000000000000000 R12:******** 2026-07-03T20:23:11.446052+08:00 fnOS kernel: [514139.842744] FS: 0000000000000000(0000) GS:******** knlGS:0000000000000000 2026-07-03T20:23:11.446054+08:00 fnOS kernel: [514139.842831] CR2:******** CR3:******** CR4: 00000000001726f0 2026-07-03T20:23:11.446057+08:00 fnOS kernel: [514139.842885] Call Trace: 2026-07-03T20:23:11.446058+08:00 fnOS kernel: [514139.842902] 2026-07-03T20:23:11.446060+08:00 fnOS kernel: [514139.842918] list_lru_add_obj+0x7c/0xa0 2026-07-03T20:23:11.446063+08:00 fnOS kernel: [514139.842945] workingset_update_node+0x8d/0xb0 2026-07-03T20:23:11.446064+08:00 fnOS kernel: [514139.842982] xas_store+0x2e8/0x630 2026-07-03T20:23:11.446065+08:00 fnOS kernel: [514139.843007] __filemap_remove_folio+0x115/0x1e0 2026-07-03T20:23:11.446067+08:00 fnOS kernel: [514139.843038] ? __pfx_workingset_update_node+0x10/0x10 2026-07-03T20:23:11.446068+08:00 fnOS kernel: [514139.843071] __remove_mapping+0xc4/0x250 2026-07-03T20:23:11.446069+08:00 fnOS kernel: [514139.843098] shrink_folio_list+0xc9c/0xf50 2026-07-03T20:23:11.446070+08:00 fnOS kernel: [514139.843134] ? xas_load+0xd/0xd0 2026-07-03T20:23:11.446071+08:00 fnOS kernel: [514139.843158] evict_folios+0x2cd/0x7d0 2026-07-03T20:23:11.446072+08:00 fnOS kernel: [514139.843184] try_to_shrink_lruvec+0x163/0x240 2026-07-03T20:23:11.446073+08:00 fnOS kernel: [514139.843214] shrink_one+0xfd/0x1e0 2026-07-03T20:23:11.446074+08:00 fnOS kernel: [514139.843238] shrink_node+0xadf/0xc70 2026-07-03T20:23:11.446075+08:00 fnOS kernel: [514139.844449] ? mem_cgroup_iter+0x1df/0x230 2026-07-03T20:23:11.446077+08:00 fnOS kernel: [514139.845724] balance_pgdat+0x51c/0x990 2026-07-03T20:23:11.446078+08:00 fnOS kernel: [514139.846997] ? sched_balance_newidle+0x393/0x4e0 2026-07-03T20:23:11.446079+08:00 fnOS kernel: [514139.848265] ? __perf_event_task_sched_in+0x8f/0x200 2026-07-03T20:23:11.446080+08:00 fnOS kernel: [514139.849554] kswapd+0x1c5/0x330 2026-07-03T20:23:11.446081+08:00 fnOS kernel: [514139.850845] ? __pfx_autoremove_wake_function+0x10/0x10 2026-07-03T20:23:11.446082+08:00 fnOS kernel: [514139.852145] ? __pfx_kswapd+0x10/0x10 2026-07-03T20:23:11.446083+08:00 fnOS kernel: [514139.853467] kthread+0xfe/0x240 2026-07-03T20:23:11.446085+08:00 fnOS kernel: [514139.854760] ? __pfx_kthread+0x10/0x10 2026-07-03T20:23:11.446088+08:00 fnOS kernel: [514139.856101] ret_from_fork+0x1e0/0x230 2026-07-03T20:23:11.446089+08:00 fnOS kernel: [514139.857456] ? __pfx_kthread+0x10/0x10 2026-07-03T20:23:11.446090+08:00 fnOS kernel: [514139.858731] ret_from_fork_asm+0x1a/0x30 2026-07-03T20:23:11.446091+08:00 fnOS kernel: [514139.860020] 2026-07-03T20:23:11.446092+08:00 fnOS kernel: [514139.861291] Modules linked in: veth nf_conntrack_netlink xt_nat xt_tcpudp xt_conntrack xt_MASQUERADE bridge stp llc xt_set ip_set nft_chain_nat xt_addrtype nft_compat nvidia_uvm(POE) cls_bpf sch_ingress crc32c_cryptoapi overlay openvswitch nsh nf_conncount psample qrtr binfmt_misc nvidia_drm(POE) nvidia_modeset(POE) intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm nvidia(POE) snd_hda_codec_alc269 snd_hda_codec_intelhdmi vfat snd_hda_scodec_component fat snd_hda_codec_hdmi snd_hda_codec_realtek_lib snd_hda_codec_generic snd_hda_intel irqbypass snd_hda_codec ghash_clmulni_intel snd_hda_core mei_hdcp aesni_intel mei_pxp rapl mei_wdt evdev intel_cstate snd_intel_dspcfg intel_uncore snd_intel_sdw_acpi firmware_attributes_class snd_pcsp snd_hwdep hp_wmi snd_pcm sparse_keymap ses enclosure iTCO_wdt intel_pmc_bxt snd_timer platform_profile iTCO_vendor_support scsi_transport_sas snd mei_me rfkill serio_raw at24 wmi_bmof watchdog drm_ttm_helper mei tpm_infineon soundcore ie31200_edac 2026-07-03T20:23:11.446101+08:00 fnOS kernel: [514139.880951] ---[ end trace 0000000000000000 ]--- 2026-07-03T20:23:11.446102+08:00 fnOS kernel: [514148.438380] Code: 89 f8 49 c1 e7 05 48 c1 e0 06 48 89 4c 24 20 48 89 04 24 e8 7e bd de ff 49 8d 47 10 48 89 44 24 08 4d 85 f6 74 11 80 7b 1c 00 <49> 63 b6 a0 04 00 00 74 04 85 f6 79 5d 4c 8b 3c 24 4c 03 3b 4d 85 2026-07-03T20:23:11.446103+08:00 fnOS kernel: [514148.440373] RAX: 0000000000000010 RBX:******** RCX:******** 2026-07-03T20:23:11.446105+08:00 fnOS kernel: [514148.441383] RBP:******** R08:******** R09:******** 2026-07-03T20:23:11.446106+08:00 fnOS kernel: [514148.442391] R13: 8000000000000000 R14:******** R15: 0000000000000000 2026-07-03T20:23:11.446107+08:00 fnOS kernel: [514148.442897] FS: 0000000000000000(0000) GS:******** knlGS:0000000000000000 2026-07-03T20:23:11.446108+08:00 fnOS kernel: [514148.443410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2026-07-03T20:23:11.446111+08:00 fnOS kernel: [514148.443929] CR2:******** CR3:******** CR4: 00000000001726f0 2026-07-03T20:23:11.446112+08:00 fnOS kernel: [514148.444450] note: kswapd0[96] exited with irqs disabled 2026-07-03T20:23:11.446119+08:00 fnOS kernel: [514148.445090] note: kswapd0[96] exited with preempt_count 2 2026-07-03T20:23:11.452619+08:00 fnOS kernel: [514148.445770] ------------[ cut here ]------------ 2026-07-03T20:23:11.452641+08:00 fnOS kernel: [514148.447017] Modules linked in: veth nf_conntrack_netlink xt_nat xt_tcpudp xt_conntrack xt_MASQUERADE bridge stp llc xt_set ip_set nft_chain_nat xt_addrtype nft_compat nvidia_uvm(POE) cls_bpf sch_ingress crc32c_cryptoapi overlay openvswitch nsh nf_conncount psample qrtr binfmt_misc nvidia_drm(POE) nvidia_modeset(POE) intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm nvidia(POE) snd_hda_codec_alc269 snd_hda_codec_intelhdmi vfat snd_hda_scodec_component fat snd_hda_codec_hdmi snd_hda_codec_realtek_lib snd_hda_codec_generic snd_hda_intel irqbypass snd_hda_codec ghash_clmulni_intel snd_hda_core mei_hdcp aesni_intel mei_pxp rapl mei_wdt evdev intel_cstate snd_intel_dspcfg intel_uncore snd_intel_sdw_acpi firmware_attributes_class snd_pcsp snd_hwdep hp_wmi snd_pcm sparse_keymap ses enclosure iTCO_wdt intel_pmc_bxt snd_timer platform_profile iTCO_vendor_support scsi_transport_sas snd mei_me rfkill serio_raw at24 wmi_bmof watchdog drm_ttm_helper mei tpm_infineon soundcore ie31200_edac 2026-07-03T20:23:11.457036+08:00 fnOS kernel: [514148.447098] button sg zfs(POE) nfsd spl(OE) nft_fullcone(OE) nf_tables auth_rpcgss nfnetlink nf_nat nfs_acl lockd nf_conntrack grace nf_defrag_ipv6 nf_defrag_ipv4 msr sunrpc bonding tls efi_pstore configfs loop ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 btrfs blake2b_generic efivarfs raid10 raid0 hid_generic usbhid hid raid456 uas async_raid6_recov async_memcpy usb_storage async_pq async_xor async_tx xor raid6_pq dm_mod linear raid1 sd_mod i915 md_mod drm_buddy ahci ttm nvme video libahci xhci_pci i2c_algo_bit ehci_pci libata xhci_hcd nvme_core ehci_hcd drm_display_helper nvme_keyring psmouse nvme_auth i2c_i801 usbcore scsi_mod e1000e i2c_smbus lpc_ich hkdf cec rc_core scsi_common usb_common fan wmi 2026-07-03T20:23:11.457060+08:00 fnOS kernel: [514148.455606] CPU: 4 UID: 0 PID: 96 Comm: kswapd0 Tainted: P UD OE 6.18.18.c788-trim #788 PREEMPT(lazy) 2026-07-03T20:23:11.460964+08:00 fnOS kernel: [514148.457011] Hardware name: Hewlett-Packard HP Z230 SFF Workstation/1906, BIOS L51 v01.63 04/22/2020 2026-07-03T20:23:11.460977+08:00 fnOS kernel: [514148.457649] RIP: 0010:do_exit+0x83c/0xaf0 2026-07-03T20:23:11.460978+08:00 fnOS kernel: [514148.458291] Code: 9a 91 69 00 48 8b 83 10 0d 00 00 e9 e9 fd ff ff 48 8b bb d0 0a 00 00 31 f6 e8 60 e2 ff ff e9 9c fd ff ff 0f 0b e9 04 f8 ff ff <0f> 0b e9 0b f8 ff ff 48 89 ee bf 05 06 00 00 e8 b0 1c 01 00 e9 47 2026-07-03T20:23:11.460980+08:00 fnOS kernel: [514148.459632] RSP: 0018:******** EFLAGS: 00010286 2026-07-03T20:23:11.464920+08:00 fnOS kernel: [514148.460955] RAX: 0000000000000246 RBX:******** RCX: 0000000000000000 2026-07-03T20:23:11.464928+08:00 fnOS kernel: [514148.461581] RDX: 000000000000270f RSI: 0000000000002710 RDI: 000000000000000b 2026-07-03T20:23:11.464930+08:00 fnOS kernel: [514148.462214] RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000003 2026-07-03T20:23:11.464931+08:00 fnOS kernel: [514148.462823] R10:******** R11:******** R12:******** 2026-07-03T20:23:11.464932+08:00 fnOS kernel: [514148.463482] FS: 0000000000000000(0000) GS:******** knlGS:0000000000000000 2026-07-03T20:23:11.464933+08:00 fnOS kernel: [514148.464216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2026-07-03T20:23:11.468843+08:00 fnOS kernel: [514148.464921] CR2:******** CR3:******** CR4: 00000000001726f0 2026-07-03T20:23:11.468851+08:00 fnOS kernel: [514148.465573] Call Trace: 2026-07-03T20:23:11.468852+08:00 fnOS kernel: [514148.466217] 2026-07-03T20:23:11.468854+08:00 fnOS kernel: [514148.466851] make_task_dead+0x81/0x170 2026-07-03T20:23:11.468870+08:00 fnOS kernel: [514148.468144] RIP: 0033:0x0 2026-07-03T20:23:11.472534+08:00 fnOS kernel: [514148.468826] Code: Unable to access opcode bytes at 0xffffffffffffffd6. 2026-07-03T20:23:11.472540+08:00 fnOS kernel: [514148.469428] RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 2026-07-03T20:23:11.472541+08:00 fnOS kernel: [514148.470020] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 2026-07-03T20:23:11.472543+08:00 fnOS kernel: [514148.470608] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 2026-07-03T20:23:11.472544+08:00 fnOS kernel: [514148.471847] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 2026-07-03T20:23:11.476377+08:00 fnOS kernel: [514148.472506] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 2026-07-03T20:23:11.476383+08:00 fnOS kernel: [514148.473655] ---[ end trace 0000000000000000 ]--- 2026-07-03T20:23:12.269773+08:00 fnOS kernel: [514149.088459] RBP:******** R08:******** R09:******** 2026-07-03T20:23:12.269791+08:00 fnOS kernel: [514149.089299] R10: 0000000000000000 R11: 0000000000000000 R12:******** 2026-07-03T20:23:12.269793+08:00 fnOS kernel: [514149.090123] R13: 8000000000000000 R14:******** R15: 0000000000000000 2026-07-03T20:23:12.269795+08:00 fnOS kernel: [514149.090932] FS: 0000********(0000) GS:******** knlGS:0000000000000000 2026-07-03T20:23:12.269796+08:00 fnOS kernel: [514149.091732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2026-07-03T20:23:12.269797+08:00 fnOS kernel: [514149.092514] CR2:******** CR3:******** CR4: 00000000001726f0 2026-07-03T20:23:12.269798+08:00 fnOS kernel: [514149.093282] Call Trace: 2026-07-03T20:23:12.269800+08:00 fnOS kernel: [514149.094044] 2026-07-03T20:23:12.269801+08:00 fnOS kernel: [514149.094783] list_lru_add_obj+0x7c/0xa0 2026-07-03T20:23:12.269802+08:00 fnOS kernel: [514149.095506] xas_store+0x2e8/0x630 2026-07-03T20:23:12.269803+08:00 fnOS kernel: [514149.096230] __filemap_remove_folio+0x115/0x1e0 2026-07-03T20:23:12.269804+08:00 fnOS kernel: [514149.096946] ? __pfx_workingset_update_node+0x10/0x10 2026-07-03T20:23:12.269805+08:00 fnOS kernel: [514149.097645] __remove_mapping+0xc4/0x250 2026-07-03T20:23:12.269808+08:00 fnOS kernel: [514149.098953] shrink_folio_list+0xc9c/0xf50 2026-07-03T20:23:12.269809+08:00 fnOS kernel: [514149.099580] ? blk_mq_dispatch_rq_list+0x138/0x7f0 2026-07-03T20:23:12.269810+08:00 fnOS kernel: [514149.100850] ? retire_super+0x61/0