Heu… non…
Mais je viens de le faire
(merci Cyrilleb)
J’ai essayé de débrancher puis rebrancher le clavier pour voir.
Si je fais ça alors que je suis sur la session “qui fonctionne”, aucune modif dans les logs. 
Si je le fais sur la session “sans clavier”, voici ce qu’il se passe :
[ul]Avant d’avoir débranché le clavier[/ul]
Xorg.0.log =SetClientVersion: 0 9
SetGrabKeysState - disabled
SetGrabKeysState - enabled
SetClientVersion: 0 9
SetGrabKeysState - disabled
SetGrabKeysState - enabled
SetClientVersion: 0 9
SetClientVersion: 0 9
SetClientVersion: 0 9
SetGrabKeysState - disabled
SetGrabKeysState - enabled
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode "nvidia-auto-select"
(II) Configured Mouse: ps2EnableDataReporting: succeeded
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode "nvidia-auto-select"
(II) Configured Mouse: ps2EnableDataReporting: succeeded
SetClientVersion: 0 9
SetGrabKeysState - disabled
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode "nvidia-auto-select"
(II) Configured Mouse: ps2EnableDataReporting: succeeded
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode "nvidia-auto-select"
(II) Configured Mouse: ps2EnableDataReporting: succeeded
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode "nvidia-auto-select"
(II) Configured Mouse: ps2EnableDataReporting: succeeded
Xorg.1.log =code Configured Mouse: No Device specified, looking for one…
(II) Configured Mouse: Setting Device option to “/dev/input/mice”
(–) Configured Mouse: Device: “/dev/input/mice”
(==) Configured Mouse: Protocol: “Auto”
() Option “CorePointer”
() Configured Mouse: always reports core events
(==) Configured Mouse: Emulate3Buttons, Emulate3Timeout: 50
() Configured Mouse: ZAxisMapping: buttons 4 and 5
() Configured Mouse: Buttons: 9
() Configured Mouse: Sensitivity: 1
() Option “CoreKeyboard”
() Generic Keyboard: always reports core events
() Option “Protocol” “standard”
() Generic Keyboard: Protocol: standard
() Option “AutoRepeat” “500 30”
() Option “XkbRules” “xorg”
() Generic Keyboard: XkbRules: “xorg”
() Option “XkbModel” “pc105”
() Generic Keyboard: XkbModel: “pc105”
() Option “XkbLayout” “fr”
() Generic Keyboard: XkbLayout: “fr”
() Option “XkbVariant” “latin9”
() Generic Keyboard: XkbVariant: “latin9”
() Option “CustomKeycodes” “off”
() Generic Keyboard: CustomKeycodes disabled
(II) evaluating device (Configured Mouse)
(II) XINPUT: Adding extended input device “Configured Mouse” (type: MOUSE)
(II) evaluating device (Generic Keyboard)
(II) XINPUT: Adding extended input device “Generic Keyboard” (type: KEYBOARD)
(–) Configured Mouse: PnP-detected protocol: “ExplorerPS/2”
(II) Configured Mouse: ps2EnableDataReporting: succeeded
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode “nvidia-auto-select”
(II) Configured Mouse: ps2EnableDataReporting: succeeded
(II) 3rd Button detected: disabling emulate3Button
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode “nvidia-auto-select”
(II) Configured Mouse: ps2EnableDataReporting: succeeded
(II) 3rd Button detected: disabling emulate3Button
SetClientVersion: 0 9
SetGrabKeysState - disabled
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode “nvidia-auto-select”
(II) Configured Mouse: ps2EnableDataReporting: succeeded
SetGrabKeysState - enabled[/code]
[ul]Après avoir rebranché le clavier[/ul]
Xorg.0.log =SetClientVersion: 0 9
SetGrabKeysState - disabled
SetGrabKeysState - enabled
SetClientVersion: 0 9
SetGrabKeysState - disabled
SetGrabKeysState - enabled
SetClientVersion: 0 9
SetClientVersion: 0 9
SetClientVersion: 0 9
SetGrabKeysState - disabled
SetGrabKeysState - enabled
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode "nvidia-auto-select"
(II) Configured Mouse: ps2EnableDataReporting: succeeded
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode "nvidia-auto-select"
(II) Configured Mouse: ps2EnableDataReporting: succeeded
SetClientVersion: 0 9
SetGrabKeysState - disabled
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode "nvidia-auto-select"
(II) Configured Mouse: ps2EnableDataReporting: succeeded
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode "nvidia-auto-select"
(II) Configured Mouse: ps2EnableDataReporting: succeeded
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode "nvidia-auto-select"
(II) Configured Mouse: ps2EnableDataReporting: succeeded
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode "nvidia-auto-select"
(II) Configured Mouse: ps2EnableDataReporting: succeeded
Xorg.1.log =code Configured Mouse: No Device specified, looking for one…
(II) Configured Mouse: Setting Device option to “/dev/input/mice”
(–) Configured Mouse: Device: “/dev/input/mice”
(==) Configured Mouse: Protocol: “Auto”
() Option “CorePointer”
() Configured Mouse: always reports core events
(==) Configured Mouse: Emulate3Buttons, Emulate3Timeout: 50
() Configured Mouse: ZAxisMapping: buttons 4 and 5
() Configured Mouse: Buttons: 9
() Configured Mouse: Sensitivity: 1
() Option “CoreKeyboard”
() Generic Keyboard: always reports core events
() Option “Protocol” “standard”
() Generic Keyboard: Protocol: standard
() Option “AutoRepeat” “500 30”
() Option “XkbRules” “xorg”
() Generic Keyboard: XkbRules: “xorg”
() Option “XkbModel” “pc105”
() Generic Keyboard: XkbModel: “pc105”
() Option “XkbLayout” “fr”
() Generic Keyboard: XkbLayout: “fr”
() Option “XkbVariant” “latin9”
() Generic Keyboard: XkbVariant: “latin9”
() Option “CustomKeycodes” “off”
() Generic Keyboard: CustomKeycodes disabled
(II) evaluating device (Configured Mouse)
(II) XINPUT: Adding extended input device “Configured Mouse” (type: MOUSE)
(II) evaluating device (Generic Keyboard)
(II) XINPUT: Adding extended input device “Generic Keyboard” (type: KEYBOARD)
(–) Configured Mouse: PnP-detected protocol: “ExplorerPS/2”
(II) Configured Mouse: ps2EnableDataReporting: succeeded
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode “nvidia-auto-select”
(II) Configured Mouse: ps2EnableDataReporting: succeeded
(II) 3rd Button detected: disabling emulate3Button
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode “nvidia-auto-select”
(II) Configured Mouse: ps2EnableDataReporting: succeeded
(II) 3rd Button detected: disabling emulate3Button
SetClientVersion: 0 9
SetGrabKeysState - disabled
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode “nvidia-auto-select”
(II) Configured Mouse: ps2EnableDataReporting: succeeded
SetGrabKeysState - enabled
(II) Open ACPI successful (/var/run/acpid.socket)
(II) NVIDIA(0): Setting mode “nvidia-auto-select”
(II) Configured Mouse: ps2EnableDataReporting: succeeded[/code]
J’ai comme l’impression que ça tourne autour de SetGrabKeysState - enabled qui n’apparrait pas dans la session 0 d’Xorg, non ?