ACPI Broken on Sony Vaio - System Unusable

After that the /var/log/message file constantly prints ACPI errors like this

Nov 3 23:30:37 orca kernel: [17179625.868000] ACPI Exception (evregion-0424): AE_TIME, Returned by Handler for [EmbeddedControl] [20060707]
Nov 3 23:30:37 orca kernel: [17179625.868000] ACPI Exception (dswexec-0458): AE_TIME, While resolving operands for [OpcodeName unavailable] $
Nov 3 23:30:37 orca kernel: [17179625.868000] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.BAT2.UPBS] (Node dfed3504), AE$
Nov 3 23:30:37 orca kernel: [17179625.868000] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.BAT2.CHBP] (Node dfed34b4), AE$
Nov 3 23:30:37 orca kernel: [17179625.868000] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.PIB_.EC0_._Q20] (Node dfe$
Nov 3 23:30:42 orca kernel: [17179631.640000] ACPI Exception (evregion-0424): AE_TIME, Returned by Handler for [EmbeddedControl] [20060707]
Nov 3 23:30:42 orca kernel: [17179631.640000] ACPI Exception (dswexec-0458): AE_TIME, While resolving operands for [OpcodeName unavailable] $
Nov 3 23:30:42 orca kernel: [17179631.640000] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.PIB_.EC0_.SMRD] (Node dfe$
Nov 3 23:30:42 orca kernel: [17179631.640000] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.BAT1.UPBI] (Node dfed366c), AE$
Nov 3 23:30:42 orca kernel: [17179631.640000] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.BAT1._BIF] (Node dfed3694), AE$
Nov 3 23:30:42 orca kernel: [17179631.640000] ACPI Exception (acpi_battery-0147): AE_TIME, Evaluating _BIF [20060707]
Nov 3 23:30:54 orca kernel: [17179643.404000] ACPI Exception (evregion-0424): AE_TIME, Returned by Handler for [EmbeddedControl] [20060707]
Nov 3 23:30:54 orca kernel: [17179643.404000] ACPI Exception (dswexec-0458): AE_TIME, While resolving operands for [OpcodeName unavailable] $
Nov 3 23:30:54 orca kernel: [17179643.404000] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.PIB_.EC0_._Q20] (Node dfe$
Nov 3 23:31:01 orca kernel: [17179650.044000] ACPI Exception (evregion-0424): AE_TIME, Returned by Handler for [EmbeddedControl] [20060707]
Nov 3 23:31:01 orca kernel: [17179650.044000] ACPI Exception (dswexec-0458): AE_TIME, While resolving operands for [OpcodeName unavailable] $
Nov 3 23:31:01 orca kernel: [17179650.044000] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.BAT1.UPBS] (Node dfed3658), AE$
Nov 3 23:31:01 orca kernel: [17179650.044000] ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.BAT1._BST] (Node dfed3680), AE$
Nov 3 23:31:01 orca kernel: [17179650.044000] ACPI Exception (acpi_battery-0208): AE_TIME, Evaluating _BST [20060707]
Nov 3 23:31:15 orca kernel: [17179664.284000] psmouse.c: GlidePoint at isa0060/serio1/input0 lost synchronization, throwing 1 bytes away.
Nov 3 23:31:16 orca kernel: [17179664.836000] psmouse.c: resync failed, issuing reconnect request
Nov 3 23:31:16 orca kernel: [17179664.896000] ACPI Exception (evregion-0424): AE_TIME, Returned by Handler for [EmbeddedControl] [20060707]
Nov 3 23:31:16 orca kernel: [17179664.896000] ACPI Exception (dswexec-0458): AE_T...

Here is the dmesg when acpi=off has been used in grub

Incorrectly hit kde, when I logged it as unknown

Just to update, the laptop is unable to shutdown without holding down the poweroff button, the ACPI was obviously responsible for this.

Can you post your DSDT? It's in "/proc/acpi/dsdt".

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Pedro Martínez Juliá
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Socio HispaLinux #311
Usuario Linux #275438 - http://counter.li.org

Sure here you go. This has never been edited by my and is the default one that came with the laptop.

Thanks for you help.

As an update with an upgrade to Feisty this is now functioning again. Thanks