我有一台东芝卫星 PSAG8U-04001W。
ifconfig 上没有显示 eth* 接口。
$ ifconfig -a
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:32 errors:0 dropped:0 overruns:0 frame:0
TX packets:32 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2544 (2.4 KiB) TX bytes:2544 (2.4 KiB)
wlan2 Link encap:Ethernet HWaddr 00:21:6b:d3:1b:dc
inet addr:192.168.1.83 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::221:6bff:fed3:1bdc/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:27901 errors:0 dropped:0 overruns:0 frame:0
TX packets:18098 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:20958957 (19.9 MiB) TX bytes:3551000 (3.3 MiB)
更令人惊讶的是，lshw 和 lspci 都没有显示与有线以太网控制器/适配器相关的任何内容：lshw：
$lshw -C network
*-network
description: Wireless interface
product: WiFi Link 5100
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan2
version: 00
serial: 00:21:6b:d3:1b:dc
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=3.2.0-4-amd64 firmware=8.83.5.1 build 33692 ip=192.168.1.83 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn
resources: irq:45 memory:d4600000-d4601fff
lspci:
$lspci -nnk
00:00.0 Host bridge [0600]: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub [8086:2a40] (rev 07)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: agpgart-intel
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: i915
00:02.1 Display controller [0380]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a43] (rev 07)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
00:1a.0 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 [8086:2937] (rev 03)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: uhci_hcd
00:1a.1 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 [8086:2938] (rev 03)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: uhci_hcd
00:1a.7 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 [8086:293c] (rev 03)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: ehci_hcd
00:1b.0 Audio device [0403]: Intel Corporation 82801I (ICH9 Family) HD Audio Controller [8086:293e] (rev 03)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: snd_hda_intel
00:1c.0 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 [8086:2940] (rev 03)
Kernel driver in use: pcieport
00:1c.1 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 [8086:2942] (rev 03)
Kernel driver in use: pcieport
00:1c.4 PCI bridge [0604]: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 [8086:2948] (rev 03)
Kernel driver in use: pcieport
00:1d.0 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 [8086:2934] (rev 03)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: uhci_hcd
00:1d.1 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 [8086:2935] (rev 03)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: uhci_hcd
00:1d.2 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 [8086:2936] (rev 03)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: uhci_hcd
00:1d.3 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 [8086:2939] (rev 03)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: uhci_hcd
00:1d.7 USB controller [0c03]: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 [8086:293a] (rev 03)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: ehci_hcd
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev 93)
00:1f.0 ISA bridge [0601]: Intel Corporation ICH9M LPC Interface Controller [8086:2919] (rev 03)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
00:1f.2 SATA controller [0106]: Intel Corporation 82801IBM/IEM (ICH9M/ICH9M-E) 4 port SATA Controller [AHCI mode] [8086:2929] (rev 03)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: ahci
00:1f.3 SMBus [0c05]: Intel Corporation 82801I (ICH9 Family) SMBus Controller [8086:2930] (rev 03)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: i801_smbus
03:00.0 Network controller [0280]: Intel Corporation WiFi Link 5100 [8086:4232]
Subsystem: Intel Corporation WiFi Link 5100 AGN [8086:1201]
Kernel driver in use: iwlwifi
04:06.0 FireWire (IEEE 1394) [0c00]: Ricoh Co Ltd R5C832 IEEE 1394 Controller [1180:0832] (rev 05)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: firewire_ohci
04:06.1 SD Host controller [0805]: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter [1180:0822] (rev 22)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: sdhci-pci
04:06.2 System peripheral [0880]: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter [1180:0592] (rev 12)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: r592
04:06.3 System peripheral [0880]: Ricoh Co Ltd xD-Picture Card Controller [1180:0852] (rev 12)
Subsystem: Toshiba America Info Systems Device [1179:ff1e]
Kernel driver in use: r852
为什么我的笔记本电脑的有线以太网不显示？我该如何调试这个？
Debian 的安装最初并不是在这个系统上：它是在一台主板烧毁的旧笔记本电脑上，所以我挽救了硬盘驱动器以及 Debian 安装。但是，我怀疑这应该与 lspci 甚至没有检测到有线 eth 控制器有关。
答案1
确保有线网卡尚未在 BIOS 中禁用。