升级到 Precise 后，我需要在终端中运行“sudo dhclient eth0”才能使用互联网。Oneiric 上一切都运行正常，所以这真的让我很困惑。
我想这可能与内核有关，但谁知道呢。
dmesg 的输出：
[ 0.247891] system 00:01: [io 0x0290-0x030f] has been reserved
[ 0.247896] system 00:01: [io 0x0290-0x0297] has been reserved
[ 0.247901] system 00:01: [io 0x0880-0x088f] has been reserved
[ 0.247908] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.247931] pnp 00:02: [dma 4]
[ 0.247935] pnp 00:02: [io 0x0000-0x000f]
[ 0.247939] pnp 00:02: [io 0x0080-0x0090]
[ 0.247943] pnp 00:02: [io 0x0094-0x009f]
[ 0.247947] pnp 00:02: [io 0x00c0-0x00df]
[ 0.248033] pnp 00:02: Plug and Play ACPI device, IDs PNP0200 (active)
[ 0.248125] pnp 00:03: [io 0x0070-0x0073]
[ 0.248187] pnp 00:03: Plug and Play ACPI device, IDs PNP0b00 (active)
[ 0.248205] pnp 00:04: [io 0x0061]
[ 0.248260] pnp 00:04: Plug and Play ACPI device, IDs PNP0800 (active)
[ 0.248277] pnp 00:05: [io 0x00f0-0x00ff]
[ 0.248292] pnp 00:05: [irq 13]
[ 0.248348] pnp 00:05: Plug and Play ACPI device, IDs PNP0c04 (active)
[ 0.248583] pnp 00:06: [io 0x03f0-0x03f5]
[ 0.248588] pnp 00:06: [io 0x03f7]
[ 0.248597] pnp 00:06: [irq 6]
[ 0.248601] pnp 00:06: [dma 2]
[ 0.248690] pnp 00:06: Plug and Play ACPI device, IDs PNP0700 (active)
[ 0.248998] pnp 00:07: [io 0x03f8-0x03ff]
[ 0.249008] pnp 00:07: [irq 4]
[ 0.249122] pnp 00:07: Plug and Play ACPI device, IDs PNP0501 (active)
[ 0.249479] pnp 00:08: [io 0x0400-0x04bf]
[ 0.249584] system 00:08: [io 0x0400-0x04bf] has been reserved
[ 0.249591] system 00:08: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.249628] pnp 00:09: [mem 0xffb80000-0xffbfffff]
[ 0.249690] pnp 00:09: Plug and Play ACPI device, IDs INT0800 (active)
[ 0.250049] pnp 00:0a: [mem 0xe0000000-0xefffffff]
[ 0.250167] system 00:0a: [mem 0xe0000000-0xefffffff] has been reserved
[ 0.250173] system 00:0a: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.250302] pnp 00:0b: [mem 0x000f0000-0x000fffff]
[ 0.250307] pnp 00:0b: [mem 0x7ff00000-0x7fffffff]
[ 0.250311] pnp 00:0b: [mem 0xfed00000-0xfed000ff]
[ 0.250316] pnp 00:0b: [mem 0x0000046e-0x0000056d]
[ 0.250320] pnp 00:0b: [mem 0x7fee0000-0x7fefffff]
[ 0.250324] pnp 00:0b: [mem 0x00000000-0x0009ffff]
[ 0.250328] pnp 00:0b: [mem 0x00100000-0x7fedffff]
[ 0.250332] pnp 00:0b: [mem 0xfec00000-0xfec00fff]
[ 0.250336] pnp 00:0b: [mem 0xfed14000-0xfed1dfff]
[ 0.250341] pnp 00:0b: [mem 0xfed20000-0xfed9ffff]
[ 0.250345] pnp 00:0b: [mem 0xfee00000-0xfee00fff]
[ 0.250349] pnp 00:0b: [mem 0xffb00000-0xffb7ffff]
[ 0.250353] pnp 00:0b: [mem 0xfff00000-0xffffffff]
[ 0.250357] pnp 00:0b: [mem 0x000e0000-0x000effff]
[ 0.250409] pnp 00:0b: disabling [mem 0x0000046e-0x0000056d] because it overlaps 0000:01:00.0 BAR 6 [mem 0x00000000-0x0007ffff pref]
[ 0.250419] pnp 00:0b: disabling [mem 0x0000046e-0x0000056d disabled] because it overlaps 0000:03:00.0 BAR 6 [mem 0x00000000-0x0000ffff pref]
[ 0.250430] pnp 00:0b: disabling [mem 0x0000046e-0x0000056d disabled] because it overlaps 0000:04:00.0 BAR 6 [mem 0x00000000-0x0001ffff pref]
[ 0.250524] system 00:0b: [mem 0x000f0000-0x000fffff] could not be reserved
[ 0.250530] system 00:0b: [mem 0x7ff00000-0x7fffffff] has been reserved
[ 0.250536] system 00:0b: [mem 0xfed00000-0xfed000ff] has been reserved
[ 0.250541] system 00:0b: [mem 0x7fee0000-0x7fefffff] could not be reserved
[ 0.250547] system 00:0b: [mem 0x00000000-0x0009ffff] could not be reserved
[ 0.250552] system 00:0b: [mem 0x00100000-0x7fedffff] could not be reserved
[ 0.250558] system 00:0b: [mem 0xfec00000-0xfec00fff] could not be reserved
[ 0.250563] system 00:0b: [mem 0xfed14000-0xfed1dfff] has been reserved
[ 0.250568] system 00:0b: [mem 0xfed20000-0xfed9ffff] has been reserved
[ 0.250574] system 00:0b: [mem 0xfee00000-0xfee00fff] has been reserved
[ 0.250579] system 00:0b: [mem 0xffb00000-0xffb7ffff] has been reserved
[ 0.250585] system 00:0b: [mem 0xfff00000-0xffffffff] has been reserved
[ 0.250590] system 00:0b: [mem 0x000e0000-0x000effff] has been reserved
[ 0.250596] system 00:0b: Plug and Play ACPI device, IDs PNP0c01 (active)
[ 0.250614] pnp: PnP ACPI: found 12 devices
[ 0.250617] ACPI: ACPI bus type pnp unregistered
[ 0.250624] PnPBIOS: Disabled by ACPI PNP
[ 0.288725] PCI: max bus depth: 1 pci_try_num: 2
[ 0.288786] pci 0000:01:00.0: BAR 6: assigned [mem 0xfb000000-0xfb07ffff pref]
[ 0.288792] pci 0000:00:01.0: PCI bridge to [bus 01-01]
[ 0.288797] pci 0000:00:01.0: bridge window [io 0xa000-0xafff]
[ 0.288804] pci 0000:00:01.0: bridge window [mem 0xf8000000-0xfbffffff]
[ 0.288811] pci 0000:00:01.0: bridge window [mem 0xd0000000-0xdfffffff 64bit pref]
[ 0.288820] pci 0000:00:1c.0: PCI bridge to [bus 02-02]
[ 0.288825] pci 0000:00:1c.0: bridge window [io 0x9000-0x9fff]
[ 0.288833] pci 0000:00:1c.0: bridge window [mem 0xfdb00000-0xfdbfffff]
[ 0.288840] pci 0000:00:1c.0: bridge window [mem 0xfd800000-0xfd8fffff 64bit pref]
[ 0.288851] pci 0000:03:00.0: BAR 6: assigned [mem 0xfde00000-0xfde0ffff pref]
[ 0.288856] pci 0000:00:1c.4: PCI bridge to [bus 03-03]
[ 0.288861] pci 0000:00:1c.4: bridge window [io 0xd000-0xdfff]
[ 0.288869] pci 0000:00:1c.4: bridge window [mem 0xfd700000-0xfd7fffff]
[ 0.288876] pci 0000:00:1c.4: bridge window [mem 0xfde00000-0xfdefffff 64bit pref]
[ 0.288887] pci 0000:04:00.0: BAR 6: assigned [mem 0xfdc00000-0xfdc1ffff pref]
[ 0.288891] pci 0000:00:1c.5: PCI bridge to [bus 04-04]
[ 0.288897] pci 0000:00:1c.5: bridge window [io 0xb000-0xbfff]
[ 0.288904] pci 0000:00:1c.5: bridge window [mem 0xfdd00000-0xfddfffff]
[ 0.288911] pci 0000:00:1c.5: bridge window [mem 0xfdc00000-0xfdcfffff 64bit pref]
[ 0.288920] pci 0000:00:1e.0: PCI bridge to [bus 05-05]
[ 0.288926] pci 0000:00:1e.0: bridge window [io 0xc000-0xcfff]
[ 0.288933] pci 0000:00:1e.0: bridge window [mem 0xfda00000-0xfdafffff]
[ 0.288940] pci 0000:00:1e.0: bridge window [mem 0xfd900000-0xfd9fffff 64bit pref]
[ 0.288971] pci 0000:00:01.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 0.288979] pci 0000:00:01.0: setting latency timer to 64
[ 0.288991] pci 0000:00:1c.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 0.288998] pci 0000:00:1c.0: setting latency timer to 64
[ 0.289008] pci 0000:00:1c.4: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 0.289014] pci 0000:00:1c.4: setting latency timer to 64
[ 0.289030] pci 0000:00:1c.5: PCI INT B -> GSI 17 (level, low) -> IRQ 17
[ 0.289037] pci 0000:00:1c.5: setting latency timer to 64
[ 0.289047] pci 0000:00:1e.0: setting latency timer to 64
[ 0.289054] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7]
[ 0.289058] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff]
[ 0.289063] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
[ 0.289067] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000dffff]
[ 0.289072] pci_bus 0000:00: resource 8 [mem 0x7ff00000-0xfebfffff]
[ 0.289077] pci_bus 0000:01: resource 0 [io 0xa000-0xafff]
[ 0.289081] pci_bus 0000:01: resource 1 [mem 0xf8000000-0xfbffffff]
[ 0.289086] pci_bus 0000:01: resource 2 [mem 0xd0000000-0xdfffffff 64bit pref]
[ 0.289092] pci_bus 0000:02: resource 0 [io 0x9000-0x9fff]
[ 0.289096] pci_bus 0000:02: resource 1 [mem 0xfdb00000-0xfdbfffff]
[ 0.289101] pci_bus 0000:02: resource 2 [mem 0xfd800000-0xfd8fffff 64bit pref]
[ 0.289106] pci_bus 0000:03: resource 0 [io 0xd000-0xdfff]
[ 0.289110] pci_bus 0000:03: resource 1 [mem 0xfd700000-0xfd7fffff]
[ 0.289115] pci_bus 0000:03: resource 2 [mem 0xfde00000-0xfdefffff 64bit pref]
[ 0.289120] pci_bus 0000:04: resource 0 [io 0xb000-0xbfff]
[ 0.289124] pci_bus 0000:04: resource 1 [mem 0xfdd00000-0xfddfffff]
[ 0.289129] pci_bus 0000:04: resource 2 [mem 0xfdc00000-0xfdcfffff 64bit pref]
[ 0.289134] pci_bus 0000:05: resource 0 [io 0xc000-0xcfff]
[ 0.289138] pci_bus 0000:05: resource 1 [mem 0xfda00000-0xfdafffff]
[ 0.289143] pci_bus 0000:05: resource 2 [mem 0xfd900000-0xfd9fffff 64bit pref]
[ 0.289148] pci_bus 0000:05: resource 4 [io 0x0000-0x0cf7]
[ 0.289152] pci_bus 0000:05: resource 5 [io 0x0d00-0xffff]
[ 0.289157] pci_bus 0000:05: resource 6 [mem 0x000a0000-0x000bffff]
[ 0.289161] pci_bus 0000:05: resource 7 [mem 0x000c0000-0x000dffff]
[ 0.289166] pci_bus 0000:05: resource 8 [mem 0x7ff00000-0xfebfffff]
[ 0.289233] NET: Registered protocol family 2
[ 0.289360] IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.289754] TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
[ 0.290351] TCP bind hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.290670] TCP: Hash tables configured (established 131072 bind 65536)
[ 0.290674] TCP reno registered
[ 0.290680] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.290703] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.290868] NET: Registered protocol family 1
[ 0.290911] pci 0000:00:1a.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 0.290932] pci 0000:00:1a.0: PCI INT A disabled
[ 0.290956] pci 0000:00:1a.1: PCI INT B -> GSI 21 (level, low) -> IRQ 21
[ 0.290975] pci 0000:00:1a.1: PCI INT B disabled
[ 0.290992] pci 0000:00:1a.2: PCI INT D -> GSI 19 (level, low) -> IRQ 19
[ 0.291012] pci 0000:00:1a.2: PCI INT D disabled
[ 0.291031] pci 0000:00:1a.7: PCI INT C -> GSI 18 (level, low) -> IRQ 18
[ 0.291068] pci 0000:00:1a.7: PCI INT C disabled
[ 0.291104] pci 0000:00:1d.0: PCI INT A -> GSI 23 (level, low) -> IRQ 23
[ 0.291123] pci 0000:00:1d.0: PCI INT A disabled
[ 0.291135] pci 0000:00:1d.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19
[ 0.291155] pci 0000:00:1d.1: PCI INT B disabled
[ 0.291166] pci 0000:00:1d.2: PCI INT C -> GSI 18 (level, low) -> IRQ 18
[ 0.291185] pci 0000:00:1d.2: PCI INT C disabled
[ 0.291198] pci 0000:00:1d.7: PCI INT A -> GSI 23 (level, low) -> IRQ 23
[ 0.291219] pci 0000:00:1d.7: PCI INT A disabled
[ 0.291258] pci 0000:01:00.0: Boot video device
[ 0.291273] PCI: CLS 4 bytes, default 64
[ 0.291857] audit: initializing netlink socket (disabled)
[ 0.291876] type=2000 audit(1336753420.284:1): initialized
[ 0.337724] highmem bounce pool size: 64 pages
[ 0.337734] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[ 0.349241] VFS: Disk quotas dquot_6.5.2
[ 0.349365] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.350418] fuse init (API version 7.17)
[ 0.350611] msgmni has been set to 1685
[ 0.351179] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
[ 0.351229] io scheduler noop registered
[ 0.351233] io scheduler deadline registered
[ 0.351247] io scheduler cfq registered (default)
[ 0.351450] pcieport 0000:00:01.0: setting latency timer to 64
[ 0.351502] pcieport 0000:00:01.0: irq 40 for MSI/MSI-X
[ 0.351585] pcieport 0000:00:1c.0: setting latency timer to 64
[ 0.351639] pcieport 0000:00:1c.0: irq 41 for MSI/MSI-X
[ 0.351728] pcieport 0000:00:1c.4: setting latency timer to 64
[ 0.351779] pcieport 0000:00:1c.4: irq 42 for MSI/MSI-X
[ 0.351875] pcieport 0000:00:1c.5: setting latency timer to 64
[ 0.351927] pcieport 0000:00:1c.5: irq 43 for MSI/MSI-X
[ 0.352094] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[ 0.352143] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
[ 0.352311] intel_idle: MWAIT substates: 0x22220
[ 0.352315] intel_idle: does not run on family 6 model 23
[ 0.352446] input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input0
[ 0.352455] ACPI: Power Button [PWRB]
[ 0.352556] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1
[ 0.352562] ACPI: Power Button [PWRF]
[ 0.352650] ACPI: Fan [FAN] (on)
[ 0.355667] thermal LNXTHERM:00: registered as thermal_zone0
[ 0.355673] ACPI: Thermal Zone [THRM] (26 C)
[ 0.355750] ERST: Table is not found!
[ 0.355753] GHES: HEST is not enabled!
[ 0.355898] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled
[ 0.376332] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 0.376582] isapnp: Scanning for PnP cards...
[ 0.709133] Freeing initrd memory: 13792k freed
[ 0.729743] isapnp: No Plug & Play device found
[ 0.816786] 00:07: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 0.832385] Linux agpgart interface v0.103
[ 0.835605] brd: module loaded
[ 0.837138] loop: module loaded
[ 0.837452] ata_piix 0000:00:1f.2: version 2.13
[ 0.837473] ata_piix 0000:00:1f.2: PCI INT A -> GSI 19 (level, low) -> IRQ 19
[ 0.837480] ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ]
[ 0.837546] ata_piix 0000:00:1f.2: setting latency timer to 64
[ 0.838099] scsi0 : ata_piix
[ 0.838253] scsi1 : ata_piix
[ 0.839183] ata1: SATA max UDMA/133 cmd 0xf900 ctl 0xf800 bmdma 0xf500 irq 19
[ 0.839192] ata2: SATA max UDMA/133 cmd 0xf700 ctl 0xf600 bmdma 0xf508 irq 19
[ 0.839239] ata_piix 0000:00:1f.5: PCI INT A -> GSI 19 (level, low) -> IRQ 19
[ 0.839246] ata_piix 0000:00:1f.5: MAP [ P0 -- P1 -- ]
[ 0.839300] ata_piix 0000:00:1f.5: setting latency timer to 64
[ 0.839708] scsi2 : ata_piix
[ 0.839841] scsi3 : ata_piix
[ 0.840301] ata3: SATA max UDMA/133 cmd 0xf200 ctl 0xf100 bmdma 0xee00 irq 19
[ 0.840308] ata4: SATA max UDMA/133 cmd 0xf000 ctl 0xef00 bmdma 0xee08 irq 19
[ 0.840429] pata_acpi 0000:03:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 0.840467] pata_acpi 0000:03:00.0: setting latency timer to 64
[ 0.840488] pata_acpi 0000:03:00.0: PCI INT A disabled
[ 0.841159] Fixed MDIO Bus: probed
[ 0.841205] tun: Universal TUN/TAP device driver, 1.6
[ 0.841210] tun: (C) 1999-2004 Max Krasnyansky <[email protected]>
[ 0.841322] PPP generic driver version 2.4.2
[ 0.841515] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.841542] ehci_hcd 0000:00:1a.7: PCI INT C -> GSI 18 (level, low) -> IRQ 18
[ 0.841567] ehci_hcd 0000:00:1a.7: setting latency timer to 64
[ 0.841573] ehci_hcd 0000:00:1a.7: EHCI Host Controller
[ 0.841658] ehci_hcd 0000:00:1a.7: new USB bus registered, assigned bus number 1
[ 0.845582] ehci_hcd 0000:00:1a.7: cache line size of 4 is not supported
[ 0.845610] ehci_hcd 0000:00:1a.7: irq 18, io mem 0xfdfff000
[ 0.860022] ehci_hcd 0000:00:1a.7: USB 2.0 started, EHCI 1.00
[ 0.860264] hub 1-0:1.0: USB hub found
[ 0.860272] hub 1-0:1.0: 6 ports detected
[ 0.860404] ehci_hcd 0000:00:1d.7: PCI INT A -> GSI 23 (level, low) -> IRQ 23
[ 0.860424] ehci_hcd 0000:00:1d.7: setting latency timer to 64
[ 0.860430] ehci_hcd 0000:00:1d.7: EHCI Host Controller
[ 0.860512] ehci_hcd 0000:00:1d.7: new USB bus registered, assigned bus number 2
[ 0.864413] ehci_hcd 0000:00:1d.7: cache line size of 4 is not supported
[ 0.864438] ehci_hcd 0000:00:1d.7: irq 23, io mem 0xfdffe000
[ 0.880021] ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00
[ 0.880227] hub 2-0:1.0: USB hub found
[ 0.880234] hub 2-0:1.0: 6 ports detected
[ 0.880369] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 0.880396] uhci_hcd: USB Universal Host Controller Interface driver
[ 0.880431] uhci_hcd 0000:00:1a.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 0.880443] uhci_hcd 0000:00:1a.0: setting latency timer to 64
[ 0.880449] uhci_hcd 0000:00:1a.0: UHCI Host Controller
[ 0.880529] uhci_hcd 0000:00:1a.0: new USB bus registered, assigned bus number 3
[ 0.880574] uhci_hcd 0000:00:1a.0: irq 16, io base 0x0000ff00
[ 0.880803] hub 3-0:1.0: USB hub found
[ 0.880811] hub 3-0:1.0: 2 ports detected
[ 0.880929] uhci_hcd 0000:00:1a.1: PCI INT B -> GSI 21 (level, low) -> IRQ 21
[ 0.880940] uhci_hcd 0000:00:1a.1: setting latency timer to 64
[ 0.880946] uhci_hcd 0000:00:1a.1: UHCI Host Controller
[ 0.881039] uhci_hcd 0000:00:1a.1: new USB bus registered, assigned bus number 4
[ 0.881081] uhci_hcd 0000:00:1a.1: irq 21, io base 0x0000fe00
[ 0.881302] hub 4-0:1.0: USB hub found
[ 0.881310] hub 4-0:1.0: 2 ports detected
[ 0.881427] uhci_hcd 0000:00:1a.2: PCI INT D -> GSI 19 (level, low) -> IRQ 19
[ 0.881438] uhci_hcd 0000:00:1a.2: setting latency timer to 64
[ 0.881443] uhci_hcd 0000:00:1a.2: UHCI Host Controller
[ 0.881523] uhci_hcd 0000:00:1a.2: new USB bus registered, assigned bus number 5
[ 0.881551] uhci_hcd 0000:00:1a.2: irq 19, io base 0x0000fd00
[ 0.881774] hub 5-0:1.0: USB hub found
[ 0.881781] hub 5-0:1.0: 2 ports detected
[ 0.881899] uhci_hcd 0000:00:1d.0: PCI INT A -> GSI 23 (level, low) -> IRQ 23
[ 0.881910] uhci_hcd 0000:00:1d.0: setting latency timer to 64
[ 0.881915] uhci_hcd 0000:00:1d.0: UHCI Host Controller
[ 0.881993] uhci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 6
[ 0.882021] uhci_hcd 0000:00:1d.0: irq 23, io base 0x0000fc00
[ 0.882244] hub 6-0:1.0: USB hub found
[ 0.882252] hub 6-0:1.0: 2 ports detected
[ 0.882370] uhci_hcd 0000:00:1d.1: PCI INT B -> GSI 19 (level, low) -> IRQ 19
[ 0.882381] uhci_hcd 0000:00:1d.1: setting latency timer to 64
[ 0.882386] uhci_hcd 0000:00:1d.1: UHCI Host Controller
[ 0.882467] uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 7
[ 0.882495] uhci_hcd 0000:00:1d.1: irq 19, io base 0x0000fb00
[ 0.882735] hub 7-0:1.0: USB hub found
[ 0.882742] hub 7-0:1.0: 2 ports detected
[ 0.882858] uhci_hcd 0000:00:1d.2: PCI INT C -> GSI 18 (level, low) -> IRQ 18
[ 0.882869] uhci_hcd 0000:00:1d.2: setting latency timer to 64
[ 0.882875] uhci_hcd 0000:00:1d.2: UHCI Host Controller
[ 0.882954] uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 8
[ 0.882982] uhci_hcd 0000:00:1d.2: irq 18, io base 0x0000fa00
[ 0.883205] hub 8-0:1.0: USB hub found
[ 0.883213] hub 8-0:1.0: 2 ports detected
[ 0.883435] usbcore: registered new interface driver libusual
[ 0.883535] i8042: PNP: No PS/2 controller found. Probing ports directly.
[ 0.883926] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 0.883936] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 0.884187] mousedev: PS/2 mouse device common for all mice
[ 0.884433] rtc_cmos 00:03: RTC can wake from S4
[ 0.884582] rtc_cmos 00:03: rtc core: registered rtc_cmos as rtc0
[ 0.884612] rtc0: alarms up to one month, 242 bytes nvram, hpet irqs
[ 0.884719] device-mapper: uevent: version 1.0.3
[ 0.884854] device-mapper: ioctl: 4.22.0-ioctl (2011-10-19) initialised: [email protected]
[ 0.884917] EISA: Probing bus 0 at eisa.0
[ 0.884921] EISA: Cannot allocate resource for mainboard
[ 0.884925] Cannot allocate resource for EISA slot 1
[ 0.884929] Cannot allocate resource for EISA slot 2
[ 0.884932] Cannot allocate resource for EISA slot 3
[ 0.884936] Cannot allocate resource for EISA slot 4
[ 0.884940] Cannot allocate resource for EISA slot 5
[ 0.884943] Cannot allocate resource for EISA slot 6
[ 0.884947] Cannot allocate resource for EISA slot 7
[ 0.884950] Cannot allocate resource for EISA slot 8
[ 0.884954] EISA: Detected 0 cards.
[ 0.884969] cpufreq-nforce2: No nForce2 chipset.
[ 0.884973] cpuidle: using governor ladder
[ 0.884976] cpuidle: using governor menu
[ 0.884980] EFI Variables Facility v0.08 2004-May-17
[ 0.885476] TCP cubic registered
[ 0.885708] NET: Registered protocol family 10
[ 0.886771] NET: Registered protocol family 17
[ 0.886799] Registering the dns_resolver key type
[ 0.886837] Using IPI No-Shortcut mode
[ 0.887028] PM: Hibernation image not present or could not be loaded.
[ 0.887047] registered taskstats version 1
[ 0.902579] Magic number: 12:339:388
[ 0.902592] usb usb6: hash matches
[ 0.902687] rtc_cmos 00:03: setting system clock to 2012-05-11 16:23:41 UTC (1336753421)
[ 0.903185] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[ 0.903189] EDD information not available.
[ 1.170710] ata3: SATA link down (SStatus 0 SControl 300)
[ 1.181439] ata4: SATA link down (SStatus 0 SControl 300)
[ 1.288020] Refined TSC clocksource calibration: 2499.999 MHz.
[ 1.288028] Switching to clocksource tsc
[ 1.292016] usb 1-5: new high-speed USB device number 3 using ehci_hcd
[ 1.486745] ata2.00: SATA link down (SStatus 0 SControl 300)
[ 1.486762] ata2.01: SATA link down (SStatus 0 SControl 300)
[ 1.640115] ata1.00: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 1.640130] ata1.01: SATA link down (SStatus 0 SControl 300)
[ 1.648342] ata1.00: ATA-7: Maxtor 7Y250M0, YAR511W0, max UDMA/133
[ 1.648348] ata1.00: 490234752 sectors, multi 0: LBA48
[ 1.664325] ata1.00: configured for UDMA/133
[ 1.664531] scsi 0:0:0:0: Direct-Access ATA Maxtor 7Y250M0 YAR5 PQ: 0 ANSI: 5
[ 1.664745] sd 0:0:0:0: [sda] 490234752 512-byte logical blocks: (251 GB/233 GiB)
[ 1.664809] sd 0:0:0:0: Attached scsi generic sg0 type 0
[ 1.664838] sd 0:0:0:0: [sda] Write Protect is off
[ 1.664843] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 1.664884] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 1.691699] sda: sda1 sda2 sda3 sda4
[ 1.692348] sd 0:0:0:0: [sda] Attached SCSI disk
[ 1.692461] Freeing unused kernel memory: 740k freed
[ 1.692820] Write protecting the kernel text: 5828k
[ 1.692851] Write protecting the kernel read-only data: 2376k
[ 1.692854] NX-protecting the kernel data: 4412k
[ 1.723980] udevd[92]: starting version 175
[ 1.865339] Floppy drive(s): fd0 is 1.44M
[ 1.865429] pata_jmicron 0000:03:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 1.865478] pata_jmicron 0000:03:00.0: setting latency timer to 64
[ 1.867875] sky2: driver version 1.30
[ 1.867926] sky2 0000:04:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[ 1.867942] sky2 0000:04:00.0: setting latency timer to 64
[ 1.867979] sky2 0000:04:00.0: Yukon-2 EC chip revision 2
[ 1.868111] sky2 0000:04:00.0: irq 44 for MSI/MSI-X
[ 1.868174] scsi4 : pata_jmicron
[ 1.869802] sky2 0000:04:00.0: eth0: addr 00:01:29:a4:16:0a
[ 1.869828] scsi5 : pata_jmicron
[ 1.869943] ata5: PATA max UDMA/100 cmd 0xdf00 ctl 0xde00 bmdma 0xdb00 irq 16
[ 1.869949] ata6: PATA max UDMA/100 cmd 0xdd00 ctl 0xdc00 bmdma 0xdb08 irq 16
[ 1.880053] usb 4-1: new full-speed USB device number 2 using uhci_hcd
[ 1.884052] FDC 0 is a post-1991 82077
[ 2.032611] ata5.00: ATAPI: _NEC DVD+/-RW ND-3450A, 103C, max UDMA/33
[ 2.048585] ata5.00: configured for UDMA/33
[ 2.049777] scsi 4:0:0:0: CD-ROM _NEC DVD+-RW ND-3450A 103C PQ: 0 ANSI: 5
[ 2.051048] sr0: scsi3-mmc drive: 48x/48x writer cd/rw xa/form2 cdda tray
[ 2.051054] cdrom: Uniform CD-ROM driver Revision: 3.20
[ 2.051283] sr 4:0:0:0: Attached scsi CD-ROM sr0
[ 2.051483] sr 4:0:0:0: Attached scsi generic sg1 type 5
[ 2.079838] usbcore: registered new interface driver usbhid
[ 2.079844] usbhid: USB HID core driver
[ 2.236660] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
[ 12.150230] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 12.177342] udevd[333]: starting version 175
[ 12.195524] Adding 417684k swap on /dev/sda2. Priority:-1 extents:1 across:417684k
[ 12.278032] lp: driver loaded but no devices found
[ 12.516456] logitech-djreceiver 0003:046D:C52B.0003: hiddev0,hidraw0: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:1a.1-1/input2
[ 12.520297] input: Logitech Unifying Device. Wireless PID:1024 as /devices/pci0000:00/0000:00:1a.1/usb4/4-1/4-1:1.2/0003:046D:C52B.0003/input/input2
[ 12.520753] logitech-djdevice 0003:046D:C52B.0004: input,hidraw1: USB HID v1.11 Mouse [Logitech Unifying Device. Wireless PID:1024] on usb-0000:00:1a.1-1:1
[ 12.523286] input: Logitech Unifying Device. Wireless PID:2011 as /devices/pci0000:00/0000:00:1a.1/usb4/4-1/4-1:1.2/0003:046D:C52B.0003/input/input3
[ 12.524439] logitech-djdevice 0003:046D:C52B.0005: input,hidraw2: USB HID v1.11 Keyboard [Logitech Unifying Device. Wireless PID:2011] on usb-0000:00:1a.1-1:2
[ 12.545746] type=1400 audit(1336771433.137:2): apparmor="STATUS" operation="profile_load" name="/sbin/dhclient" pid=502 comm="apparmor_parser"
[ 12.546574] type=1400 audit(1336771433.137:3): apparmor="STATUS" operation="profile_load" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=502 comm="apparmor_parser"
[ 12.547034] type=1400 audit(1336771433.137:4): apparmor="STATUS" operation="profile_load" name="/usr/lib/connman/scripts/dhclient-script" pid=502 comm="apparmor_parser"
[ 12.626869] Linux video capture interface: v2.00
[ 12.649104] uvcvideo: Found UVC 1.00 device <unnamed> (046d:081a)
[ 12.668665] input: UVC Camera (046d:081a) as /devices/pci0000:00/0000:00:1a.7/usb1/1-5/1-5:1.0/input/input4
[ 12.668909] usbcore: registered new interface driver uvcvideo
[ 12.668914] USB Video Class driver (1.1.1)
[ 12.697645] snd_hda_intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
[ 12.697721] snd_hda_intel 0000:00:1b.0: irq 45 for MSI/MSI-X
[ 12.697760] snd_hda_intel 0000:00:1b.0: setting latency timer to 64
[ 12.706772] nvidia: module license 'NVIDIA' taints kernel.
[ 12.706778] Disabling lock debugging due to kernel taint
[ 12.735428] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro
[ 13.350252] nvidia 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 13.350267] nvidia 0000:01:00.0: setting latency timer to 64
[ 13.350275] vgaarb: device changed decodes: PCI:0000:01:00.0,olddecodes=io+mem,decodes=none:owns=io+mem
[ 13.351464] NVRM: loading NVIDIA UNIX x86 Kernel Module 295.40 Thu Apr 5 21:28:09 PDT 2012
[ 13.356785] hda_codec: ALC889A: BIOS auto-probing.
[ 13.357267] init: failsafe main process (658) killed by TERM signal
[ 13.372756] input: HDA Intel Line as /devices/pci0000:00/0000:00:1b.0/sound/card0/input5
[ 13.373173] input: HDA Intel Front Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input6
[ 13.373568] input: HDA Intel Rear Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input7
[ 13.373954] input: HDA Intel Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8
[ 13.374339] input: HDA Intel Line-Out Side as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9
[ 13.374715] input: HDA Intel Line-Out CLFE as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10
[ 13.375109] input: HDA Intel Line-Out Surround as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
[ 13.375724] input: HDA Intel Line-Out Front as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12
[ 13.475252] type=1400 audit(1336771434.065:5): apparmor="STATUS" operation="profile_replace" name="/sbin/dhclient" pid=735 comm="apparmor_parser"
[ 13.477026] type=1400 audit(1336771434.069:6): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=735 comm="apparmor_parser"
[ 13.477695] type=1400 audit(1336771434.069:7): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=735 comm="apparmor_parser"
[ 13.479048] type=1400 audit(1336771434.069:8): apparmor="STATUS" operation="profile_load" name="/usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper" pid=734 comm="apparmor_parser"
[ 13.488994] type=1400 audit(1336771434.081:9): apparmor="STATUS" operation="profile_load" name="/usr/lib/telepathy/mission-control-5" pid=738 comm="apparmor_parser"
[ 13.489972] type=1400 audit(1336771434.081:10): apparmor="STATUS" operation="profile_load" name="/usr/lib/telepathy/telepathy-*" pid=738 comm="apparmor_parser"
[ 13.
答案1
您是否检查过它是否设置为使用 DHCP？
网络指示器 > 编辑连接 > 选择网络连接 > 编辑 > IPv4 设置 > 方法 > 自动 (DHCP) >节省
答案2
啊，我解决了这个问题。：D 我所做的就是像在这关联。