Voila un extrait du /var/log/message lorsque j'ai le freeze :
1:01:51 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 66 <keycode>' to make it known.
May 14 11:01:52 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key released (translated set 2, code 0x66 on isa0060/serio0).
May 14 11:01:52 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 66 <keycode>' to make it known.
May 14 11:01:56 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x71 on isa0060/serio0).
May 14 11:01:56 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 71 <keycode>' to make it known.
May 14 11:01:57 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x71 on isa0060/serio0).
May 14 11:01:57 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 71 <keycode>' to make it known.
May 14 11:01:57 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x71 on isa0060/serio0).
May 14 11:01:57 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 71 <keycode>' to make it known.
May 14 11:02:09 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x71 on isa0060/serio0).
May 14 11:02:09 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 71 <keycode>' to make it known.
May 14 11:02:10 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x5a on isa0060/serio0).
May 14 11:02:10 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 5a <keycode>' to make it known.
May 14 11:02:11 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x5a on isa0060/serio0).
May 14 11:02:11 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 5a <keycode>' to make it known.
May 14 11:02:11 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x5a on isa0060/serio0).
May 14 11:02:11 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 5a <keycode>' to make it known.
May 14 11:02:11 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x5b on isa0060/serio0).
May 14 11:02:11 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 5b <keycode>' to make it known.
May 14 11:02:12 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x5b on isa0060/serio0).
May 14 11:02:12 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 5b <keycode>' to make it known.
May 14 11:02:12 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x71 on isa0060/serio0).
May 14 11:02:12 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 71 <keycode>' to make it known.
May 14 11:02:14 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x71 on isa0060/serio0).
May 14 11:02:14 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 71 <keycode>' to make it known.
May 14 11:02:15 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x71 on isa0060/serio0).
May 14 11:02:15 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 71 <keycode>' to make it known.
May 14 11:02:16 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x5a on isa0060/serio0).
May 14 11:02:16 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 5a <keycode>' to make it known.
May 14 11:02:16 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x5b on isa0060/serio0).
May 14 11:02:16 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 5b <keycode>' to make it known.
May 14 11:02:17 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x5b on isa0060/serio0).
May 14 11:02:17 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 5b <keycode>' to make it known.
May 14 11:02:17 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x71 on isa0060/serio0).
May 14 11:02:17 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 71 <keycode>' to make it known.
May 14 11:02:17 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x5b on isa0060/serio0).
May 14 11:02:17 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 5b <keycode>' to make it known.
May 14 11:02:17 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x5a on isa0060/serio0).
May 14 11:02:17 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 5a <keycode>' to make it known.
May 14 11:02:18 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x5a on isa0060/serio0).
May 14 11:02:18 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 5a <keycode>' to make it known.
May 14 11:02:19 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x5b on isa0060/serio0).
May 14 11:02:19 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 5b <keycode>' to make it known.
May 14 11:02:19 alesia-8-82-224-212-12 kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x5a on isa0060/serio0).
May 14 11:02:19 alesia-8-82-224-212-12 kernel: atkbd.c: Use 'setkeycodes 5a <keycode>' to make it known.
kernel: atkbd.c: Unknown key pressed (translated set 2, code 0x71 on isa0060/serio0).
(...)
May 14 11:05:29 alesia-8-82-224-212-12 gconfd (tom-3743): Sortie
May 14 11:05:29 alesia-8-82-224-212-12 shutdown: shutting down for system reboot
Et ca continue comme ça jusqu'à ce qu'à la commande de reboot...
On dirait que le kernel ne reconnait plus le clavier...
Si quelqu'un a une idée...
