Panic 字符串：线程（swi4：clock）在 CPU X 上挂起 4001 毫秒
适用于
问题描述
- 启动设备遇到问题的节点将死机，类似于：
pass0: CAM_CMD_TIMEOUT, retrying (1 retry left)
aprobe0: CAM_CMD_TIMEOUT, retrying (1 retry left)
ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
ada0: s/n SPG18280BA5 detached
PANIC : thread (swi4: clock(X)) on cpu X hung for 4001 milliseconds
- 恐慌后可能还会出现其他故障消息，类似于：
PANIC: thread (swi4: clock (0)) on cpu 0 hung for 4001 milliseconds in process swi4: clock (0) on release 9.7P13 (C) on Sun Jan 2 04:11:47 PST 2022version: 9.4P3: Thu Oct 11 18:25:55 EDT 2018
ERROR: ATA device failure
ERROR: [D9] Boot option loading failed
- 事件日志可能指示某些平台上不可恢复的 IDE 设备故障：
4ab | 01/02/2022 | 12:12:41 | System Firmware Error | Unrecoverable IDE device failure | Asserted