http://bugzilla.kernel.org/show_bug.cgi?id=15521

           Summary: Undock button missing event - ThinkPad X40
           Product: ACPI
           Version: 2.5
    Kernel Version: 2.6.33
          Platform: All
        OS/Version: Linux
              Tree: Fedora
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Config-Hotplug
        AssignedTo: acpi_config-hotp...@kernel-bugs.osdl.org
        ReportedBy: robert.de.r...@gmail.com
        Regression: No


Created an attachment (id=25482)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=25482)
X40 DSTD

Pressing the undock button on a "ThinkPad X4 Dock" with a ThinkPad X40 does not
cause any udev events. And the lights on the dock never change to indicate it
is safe to undock.

kernel-2.6.33-8.fc13.i686

This did not work with Fedora 12 either, so I decided to try F13alpha, but it
made no difference.

# dmesg |grep -i acpi
 BIOS-e820: 000000004f6e0000 - 000000004f6f7000 (ACPI data)
 BIOS-e820: 000000004f6f7000 - 000000004f6f9000 (ACPI NVS)
ACPI: RSDP 000f6d10 00024 (v02 IBM   )
ACPI: XSDT 4f6e7e57 00054 (v01 IBM    TP-1U    00002080  LTP 00000000)
ACPI: FACP 4f6e7f00 000F4 (v03 IBM    TP-1U    00002080 IBM  00000001)
ACPI Warning: 32/64X length mismatch in Gpe1Block: 0/32 (20091214/tbfadt-526)
ACPI Warning: Optional field Gpe1Block has zero address or length:
000000000000102C/0 (20091214/tbfadt-557)
ACPI: DSDT 4f6e80e7 0ECE9 (v01 IBM    TP-1U    00002080 MSFT 0100000E)
ACPI: FACS 4f6f8000 00040
ACPI: SSDT 4f6e80b4 00033 (v01 IBM    TP-1U    00002080 MSFT 0100000E)
ACPI: ECDT 4f6f6dd0 00052 (v01 IBM    TP-1U    00002080 IBM  00000001)
ACPI: TCPA 4f6f6e22 00032 (v01 IBM    TP-1U    00002080 PTL  00000001)
ACPI: APIC 4f6f6e54 0005A (v01 IBM    TP-1U    00002080 IBM  00000001)
ACPI: BOOT 4f6f6fd8 00028 (v01 IBM    TP-1U    00002080  LTP 00000001)
ACPI: Local APIC address 0xfee00000
  #6 [0000003000 - 0000007000]      ACPI WAKEUP ==> [0000003000 - 0000007000]
ACPI: PM-Timer IO Port: 0x1008
ACPI: Local APIC address 0xfee00000
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
ACPI: IOAPIC (id[0x01] address[0xfec00000] gsi_base[0])
ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
ACPI: IRQ0 used by override.
ACPI: IRQ2 used by override.
ACPI: IRQ9 used by override.
Using ACPI (MADT) for SMP configuration information
ACPI: Core revision 20091214
ACPI: bus type pci registered
ACPI: EC: EC description table is found, configuring boot EC
ACPI: Interpreter enabled
ACPI: (supports S0 S3 S4 S5)
ACPI: Using IOAPIC for interrupt routing
ACPI: EC: GPE = 0x1c, I/O: command/status = 0x66, data = 0x62
ACPI: Power Resource [PUBS] (on)
ACPI: ACPI Dock Station Driver: 4 docks/bays found
ACPI: PCI Root Bridge [PCI0] (0000:00)
pci_root PNP0A03:00: ignoring host bridge windows from ACPI; boot with
"pci=use_crs" to use them
pci 0000:00:1f.0: quirk: [io  0x1000-0x107f] claimed by ICH4 ACPI/GPIO/TCO
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PCI1._PRT]
ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 *11)
ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 9 10 *11)
ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 9 10 *11)
ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 9 10 *11)
ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 10 *11)
ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 9 10 *11)
ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 9 10 11) *0, disabled.
ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 9 10 *11)
PCI: Using ACPI for IRQ routing
pnp: PnP ACPI init
ACPI: bus type pnp registered
pnp: PnP ACPI: found 12 devices
ACPI: ACPI bus type pnp unregistered
apm: overridden by ACPI.
acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
acpiphp: Slot [1] registered
ACPI: AC Adapter [AC] (on-line)
ACPI: Lid Switch [LID]
ACPI: Sleep Button [SLPB]
ACPI: Power Button [PWRF]
Switching to clocksource acpi_pm
ACPI: Thermal Zone [THM0] (53 C)
ACPI: Battery Slot [BAT0] (battery present)
ehci_hcd 0000:00:1d.7: power state changed by ACPI to D0
uhci_hcd 0000:00:1d.0: power state changed by ACPI to D0
uhci_hcd 0000:00:1d.1: power state changed by ACPI to D0
ACPI: Video Device [VID] (multi-head: yes  rom: no  post: no)
i915 0000:00:02.0: power state changed by ACPI to D0
parport_pc 00:0a: reported by Plug and Play ACPI
thinkpad_acpi: ThinkPad ACPI Extras v0.24
thinkpad_acpi: http://ibm-acpi.sf.net/
thinkpad_acpi: ThinkPad BIOS 1UETD3WW (2.08 ), EC 1UHTB2WW-1.62
thinkpad_acpi: IBM ThinkPad X40, model 2386F1U
thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is blocked
Registered led device: tpacpi::thinklight
Registered led device: tpacpi::power
Registered led device: tpacpi::standby
thinkpad_acpi: Console audio control enabled, mode: monitor (read only)
input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input7

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