Debian系统中dmesg常见错误类型及示例如下:
硬件相关错误
ACPI Error: AE_NOT_FOUND:ACPI配置错误,找不到指定对象。PCI: no hotplug handler:PCI设备缺少热插拔处理程序。USB device not responding:USB设备无响应,可能驱动或硬件异常。驱动程序错误
module verification failed:模块签名验证失败,需检查密钥或重新安装模块。ERROR: Module xxx not found:尝试加载不存在的模块。driver xxx has been banned:驱动因频繁错误被内核禁止。内存相关错误
Out of memory:系统内存不足。vmalloc(): Out of vmalloc area:vmalloc内存区域耗尽。Kernel panic - not syncing:严重内核错误,系统无法继续运行。文件系统错误
EXT4-fs: error counting free blocks:EXT4文件系统计算空闲块出错。VFS: Unable to mount root fs:无法挂载根文件系统。网络相关错误
eth0: no link:以太网接口未检测到链路。Failed to bring up eth0:无法启动网络接口。RTNETLINK answers: File exists:路由表中存在重复路由。系统服务与内核问题
Service [name] could not be started:服务启动失败。Kernel panic:内核崩溃,需排查硬件或驱动问题。参考来源: