Comment 16 for bug 552880

With kernel 2.6.38.8 Thinkpad ACPI works. No error messages in dmesg:
$ dmesg |grep acpi
[ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x04] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x05] enabled)
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
[ 2.037490] ACPI: acpi_idle yielding to intel_idle
[ 10.549645] thinkpad_acpi: ThinkPad ACPI Extras v0.24
[ 10.549649] thinkpad_acpi: http://ibm-acpi.sf.net/
[ 10.549651] thinkpad_acpi: ThinkPad BIOS 80ET40WW (1.17 ), EC 80HT32WW-1.176000
[ 10.549654] thinkpad_acpi: Lenovo ThinkPad Edge, model 0578JAG
[ 10.550769] thinkpad_acpi: detected a 8-level brightness capable ThinkPad
[ 10.923119] thinkpad_acpi: radio switch found; radios are enabled
[ 10.923146] thinkpad_acpi: possible tablet mode switch found; ThinkPad in laptop mode
[ 10.924056] thinkpad_acpi: asked for hotkey mask 0x04018070, but firmware forced it to 0x00018070
[ 10.933503] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked
[ 10.934156] Registered led device: tpacpi::thinklight
[ 10.934224] Registered led device: tpacpi::power
[ 10.934867] Registered led device: tpacpi::standby
[ 10.935200] Registered led device: tpacpi::thinkvantage
[ 10.946196] thinkpad_acpi: Standard ACPI backlight interface available, not loading native one.
[ 10.946574] thinkpad_acpi: Console audio control enabled, mode: monitor (read only)
[ 10.950185] input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input9
[ 11.299911] acpi device:06: registered as cooling_device4