Bonjour,
Pour une raison relativement simple :
avec :
[ 14.036400] cfg80211: World regulatory domain updated:
[ 14.036403] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[ 14.036406] (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 14.036409] (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[ 14.036411] (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[ 14.036414] (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 14.036416] (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 14.083876] iwl3945 0000:0c:00.0: Tunable channels: 13 802.11bg, 23 802.11a channels
[ 14.083879] iwl3945 0000:0c:00.0: Detected Intel Wireless WiFi Link 3945ABG
[ 14.083996] alloc irq_desc for 29 on node 0
[ 14.083998] alloc kstat_irqs on node 0
[ 14.084031] iwl3945 0000:0c:00.0: irq 29 for MSI/MSI-X
[ 14.091282] phy0: Selected rate control algorithm 'iwl-3945-rs'
[ 14.160422] input: HDA Intel Mic at Ext Left Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9
[ 14.160499] input: HDA Intel HP Out at Ext Left Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10
[ 14.330763] EXT4-fs (sda2): internal journal on sda2:8
[ 14.436045] Synaptics Touchpad, model: 1, fw: 6.3, id: 0x1a0b1, caps: 0xa04793/0x300000
[ 14.436052] serio: Synaptics pass-through port at isa0060/serio1/input0
[ 14.472180] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input11
[ 14.979259] EXT4-fs (sda6): barriers enabled
[ 14.987362] kjournald2 starting: pid 912, dev sda6:8, commit interval 5 seconds
[ 14.987720] EXT4-fs (sda6): internal journal on sda6:8
[ 14.987727] EXT4-fs (sda6): delayed allocation enabled
[ 14.987732] EXT4-fs: file extents enabled
[ 14.987797] EXT4-fs: mballoc enabled
[ 14.987819] EXT4-fs (sda6): mounted filesystem with ordered data mode
[ 15.101120] __ratelimit: 6 callbacks suppressed
[ 15.101123] type=1505 audit(1263883700.784:13): operation="profile_replace" pid=1048 name=/usr/share/gdm/guest-session/Xsession
[ 15.102711] type=1505 audit(1263883700.794:14): operation="profile_replace" pid=1049 name=/sbin/dhclient3
[ 15.103376] type=1505 audit(1263883700.794:15): operation="profile_replace" pid=1049 name=/usr/lib/NetworkManager/nm-dhcp-client.action
[ 15.103734] type=1505 audit(1263883700.794:16): operation="profile_replace" pid=1049 name=/usr/lib/connman/scripts/dhclient-script
[ 15.106757] type=1505 audit(1263883700.794:17): operation="profile_replace" pid=1050 name=/usr/bin/evince
[ 15.117858] type=1505 audit(1263883700.804:18): operation="profile_replace" pid=1050 name=/usr/bin/evince-previewer
[ 15.124174] type=1505 audit(1263883700.814:19): operation="profile_replace" pid=1050 name=/usr/bin/evince-thumbnailer
[ 15.144439] type=1505 audit(1263883700.834:20): operation="profile_replace" pid=1064 name=/usr/lib/cups/backend/cups-pdf
[ 15.145299] type=1505 audit(1263883700.834:21): operation="profile_replace" pid=1064 name=/usr/sbin/cupsd
[ 15.151334] type=1505 audit(1263883700.834:22): operation="profile_replace" pid=1068 name=/usr/sbin/ntpd
[ 15.197644] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 15.640672] usplash:387 freeing invalid memtype fffffffffb000000-fffffffffbe00000
[ 18.012737] b44: eth0: Link is up at 100 Mbps, full duplex.
[ 18.012740] b44: eth0: Flow control is off for TX and off for RX.
[ 18.013187] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 18.069736] vboxdrv: Trying to deactivate the NMI watchdog permanently...
[ 18.069739] vboxdrv: Successfully done.
[ 18.069741] vboxdrv: Found 2 processor cores.
[ 18.069801] VBoxDrv: dbg - g_abExecMemory=ffffffffa0ce5280
[ 18.069838] vboxdrv: fAsync=0 offMin=0x154 offMax=0x281e
[ 18.069880] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.
[ 18.069882] vboxdrv: Successfully loaded version 3.1.2 (interface 0x00100001).
[ 18.400275] ppdev: user-space parallel port driver
[ 28.880229] eth0: no IPv6 routers present
[ 102.341623] CE: hpet increasing min_delta_ns to 15000 nsec
[ 329.461948] CE: hpet increasing min_delta_ns to 22500 nsec
[ 579.200182] CE: hpet increasing min_delta_ns to 33750 nsec
sans :
[ 14.036400] cfg80211: World regulatory domain updated:
[ 14.036403] (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[ 14.036406] (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 14.036409] (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[ 14.036411] (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[ 14.036414] (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 14.036416] (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[ 14.083876] iwl3945 0000:0c:00.0: Tunable channels: 13 802.11bg, 23 802.11a channels
[ 14.083879] iwl3945 0000:0c:00.0: Detected Intel Wireless WiFi Link 3945ABG
[ 14.083996] alloc irq_desc for 29 on node 0
[ 14.083998] alloc kstat_irqs on node 0
[ 14.084031] iwl3945 0000:0c:00.0: irq 29 for MSI/MSI-X
[ 14.091282] phy0: Selected rate control algorithm 'iwl-3945-rs'
[ 14.160422] input: HDA Intel Mic at Ext Left Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9
[ 14.160499] input: HDA Intel HP Out at Ext Left Jack as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10
[ 14.330763] EXT4-fs (sda2): internal journal on sda2:8
[ 14.436045] Synaptics Touchpad, model: 1, fw: 6.3, id: 0x1a0b1, caps: 0xa04793/0x300000
[ 14.436052] serio: Synaptics pass-through port at isa0060/serio1/input0
[ 14.472180] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input11
[ 14.979259] EXT4-fs (sda6): barriers enabled
[ 14.987362] kjournald2 starting: pid 912, dev sda6:8, commit interval 5 seconds
[ 14.987720] EXT4-fs (sda6): internal journal on sda6:8
[ 14.987727] EXT4-fs (sda6): delayed allocation enabled
[ 14.987732] EXT4-fs: file extents enabled
[ 14.987797] EXT4-fs: mballoc enabled
[ 14.987819] EXT4-fs (sda6): mounted filesystem with ordered data mode
[ 15.101120] __ratelimit: 6 callbacks suppressed
[ 15.101123] type=1505 audit(1263883700.784:13): operation="profile_replace" pid=1048 name=/usr/share/gdm/guest-session/Xsession
[ 15.102711] type=1505 audit(1263883700.794:14): operation="profile_replace" pid=1049 name=/sbin/dhclient3
[ 15.103376] type=1505 audit(1263883700.794:15): operation="profile_replace" pid=1049 name=/usr/lib/NetworkManager/nm-dhcp-client.action
[ 15.103734] type=1505 audit(1263883700.794:16): operation="profile_replace" pid=1049 name=/usr/lib/connman/scripts/dhclient-script
[ 15.106757] type=1505 audit(1263883700.794:17): operation="profile_replace" pid=1050 name=/usr/bin/evince
[ 15.117858] type=1505 audit(1263883700.804:18): operation="profile_replace" pid=1050 name=/usr/bin/evince-previewer
[ 15.124174] type=1505 audit(1263883700.814:19): operation="profile_replace" pid=1050 name=/usr/bin/evince-thumbnailer
[ 15.144439] type=1505 audit(1263883700.834:20): operation="profile_replace" pid=1064 name=/usr/lib/cups/backend/cups-pdf
[ 15.145299] type=1505 audit(1263883700.834:21): operation="profile_replace" pid=1064 name=/usr/sbin/cupsd
[ 15.151334] type=1505 audit(1263883700.834:22): operation="profile_replace" pid=1068 name=/usr/sbin/ntpd
[ 15.197644] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 15.640672] usplash:387 freeing invalid memtype fffffffffb000000-fffffffffbe00000
[ 18.012737] b44: eth0: Link is up at 100 Mbps, full duplex.
[ 18.012740] b44: eth0: Flow control is off for TX and off for RX.
[ 18.013187] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 18.069736] vboxdrv: Trying to deactivate the NMI watchdog permanently...
[ 18.069739] vboxdrv: Successfully done.
[ 18.069741] vboxdrv: Found 2 processor cores.
[ 18.069801] VBoxDrv: dbg - g_abExecMemory=ffffffffa0ce5280
[ 18.069838] vboxdrv: fAsync=0 offMin=0x154 offMax=0x281e
[ 18.069880] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.
[ 18.069882] vboxdrv: Successfully loaded version 3.1.2 (interface 0x00100001).
[ 18.400275] ppdev: user-space parallel port driver
[ 28.880229] eth0: no IPv6 routers present
[ 102.341623] CE: hpet increasing min_delta_ns to 15000 nsec
[ 329.461948] CE: hpet increasing min_delta_ns to 22500 nsec
[ 579.200182] CE: hpet increasing min_delta_ns to 33750 nsec
C'est plutôt évident non ? 😉 (et encore, j'ai fait court là)