sony vaio vgn-c2z/b problem ..

[Berislav Purgar]

Hello . is there solution how to fix these error messages :

Oct 31 14:28:56 brzi kernel: ACPI Error: Method execution failed
[\_SB_.BAT0._UID] (Node 0xfffffe00036107c0), AE_AML_NO_OPERAND
(20121018/uteval-113)
Oct 31 14:28:56 brzi kernel: ACPI Error: No object attached to node
0xfffffe00036107c0 (20121018/exresnte-137)
Oct 31 14:28:56 brzi kernel: ACPI Error: Method execution failed
[\_SB_.BAT0._UID] (Node 0xfffffe00036107c0), AE_AML_NO_OPERAND
(20121018/uteval-113)
Oct 31 14:29:03 brzi kernel: ACPI Error: No object attached to node
0xfffffe00036107c0 (20121018/exresnte-137)
Oct 31 14:29:03 brzi kernel: ACPI Error: Method execution failed
[\_SB_.BAT0._UID] (Node 0xfffffe00036107c0), AE_AML_NO_OPERAND
(20121018/uteval-113)
Oct 31 14:29:03 brzi kernel: ACPI Error: No object attached to node
0xfffffe00036107c0 (20121018/exresnte-137)
Oct 31 14:29:03 brzi kernel: ACPI Error: Method execution failed
[\_SB_.BAT0._UID] (Node 0xfffffe00036107c0), AE_AML_NO_OPERAND
(20121018/uteval-113)
Oct 31 14:29:03 brzi kernel: ACPI Error: No object attached to node
0xfffffe00036107c0 (20121018/exresnte-137)
Oct 31 14:29:03 brzi kernel: ACPI Error: Method execution failed
[\_SB_.BAT0._UID] (Node 0xfffffe00036107c0), AE_AML_NO_OPERAND
(20121018/uteval-113)

it's only come up when i run on battery.

tnx