在Debian系统中,dmesg命令用于显示内核环缓冲区的消息,这些消息包括硬件检测、驱动程序加载、系统启动过程中的信息等。通过查看dmesg的输出,你可以了解驱动程序的加载情况。
要查看dmesg日志中的驱动加载情况,请按照以下步骤操作:
打开终端(Terminal)。
输入以下命令并按回车键:
dmesg | grep -i driver
这个命令会过滤出包含"driver"(不区分大小写)的关键字,从而显示与驱动程序相关的日志信息。
查看输出结果。输出结果中会显示驱动程序的名称、加载时间以及其他相关信息。例如:
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 5.4.0-42-generic (buildd@lgw01-amd64-039) (gcc version 9.3.0 (Debian 9.3.0-10)) #46-Ubuntu SMP Fri Jul 10 00:24:02 UTC 2020
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic root=UUID=xxxx-xxxx-xxxx-xxxx-xxxx rootflags=ro quiet splash vt.handoff=7
[ 0.000000] KERNEL supported cpus:
[ 0.000000] Intel GenuineIntel
[ 0.000000] AMD AuthenticAMD
[ 0.000000] Centaur CentaurHauls
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'compacted' format.
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009ffff] usable
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bffaffff] usable
[ 0.000000] BIOS-e820: [mem 0x00000000bff b0000] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b0000000-0x00000000b3ffffff] ACPI data
[ 0.000000] BIOS-e820: [mem 0x00000000b4000000-0x00000000b40fffff] ACPI NVS
[ 0.000000] BIOS-e820: [mem 0x00000000b4100000-0x00000000b4100fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b4101000-0x00000000b47fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b4800000-0x00000000b4fffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5000000-0x00000000b5000fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5001000-0x00000000b5001fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5002000-0x00000000b5002fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5003000-0x00000000b5003fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5004000-0x00000000b5004fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5005000-0x00000000b5005fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5006000-0x00000000b5006fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5007000-0x00000000b5007fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5008000-0x00000000b5008fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5009000-0x00000000b5009fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b500a000-0x00000000b500afff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b500b000-0x00000000b500bfff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b500c000-0x00000000b500cfff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b500d000-0x00000000b500dfff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b500e000-0x00000000b500efff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b500f000-0x00000000b500ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5010000-0x00000000b5010fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5011000-0x00000000b5011fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5012000-0x00000000b5012fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5013000-0x00000000b5013fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5014000-0x00000000b5014fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5015000-0x00000000b5015fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5016000-0x00000000b5016fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5017000-0x00000000b5017fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5018000-0x00000000b5018fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5019000-0x00000000b5019fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b501a000-0x00000000b501afff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b501b000-0x00000000b501bfff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b501c000-0x00000000b501cfff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b501d000-0x00000000b501dfff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b501e000-0x00000000b501efff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b501f000-0x00000000b501ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5020000-0x00000000b5020fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5021000-0x00000000b5021fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5022000-0x00000000b5022fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5023000-0x00000000b5023fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5024000-0x00000000b5024fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5025000-0x00000000b5025fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5026000-0x00000000b5026fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5027000-0x00000000b5027fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5028000-0x00000000b5028fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5029000-0x00000000b5029fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b502a000-0x00000000b502afff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b502b000-0x00000000b502bfff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b502c000-0x00000000b502cfff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b502d000-0x00000000b502dfff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b502e000-0x00000000b502efff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b502f000-0x00000000b502ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5030000-0x00000000b5030fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000b5031000-0x00000000b5031fff] reserved
[