Hi,

I have IBM ThinkPad A21m notebook and ThinkPad Dock. 

Docking working, but I have this problem:

I run ThinkPad battery powered without dock.
I connect ThinkPad to AC powered dock. I get ACPI debug message about
docking.
I enable slot:  echo 1 > /sys/bus/pci/slots/1/power - this working.

But no change on usb ports at the dock (lsusb - no info).


 Howto debug this ? There are no USB debug messages about changes - kernel
 compiled with USB debugging.

 Is problem 
 
 - ACPI related 
 - Any magick on the TI docking bridge
 - USB related problem

 ?

Howto debug this ?

USB port working without problem, if ThinkPad connected to docking station.


Info:

Bugreport to kernel:

http://bugme.osdl.org/show_bug.cgi?id=8449

DSDT table

http://acpi.sourceforge.net/dsdt/view.php?id=689

Record in usb devices database:

http://www.qbik.ch/usb/devices/showdev.php?id=3706


I am using latest Linus git. I am ready for testing.


Sorry for my bad english.

  Many thanks
    Pavel Kysilka
     programmer http://www.bsys.cz/


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