CPU X上的崩溃字符串：线程(sw4：时钟)挂起4001毫秒

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适用场景

问题描述

启动设备出现问题描述的节点将发生崩溃、类似如下所示：

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) on cpu 12 hung for 4001 milliseconds

崩溃后可能还会显示其他故障消息、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

在某些平台上、事件日志可能指示IDE设备出现不可恢复的故障：

4ab | 01/02/2022 | 12:12:41 | System Firmware Error | Unrecoverable IDE device failure | Asserted