Re: ec locking issue

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Hi,

On Fri, Feb 16, 2007 at 12:54:55PM -0500, Len Brown wrote:
> > > acpi_ec_transaction
> > > acpi_ec_read
> > > acpi_ec_space_handler
> > > acpi_ev_address_space_dispatch
> > > acpi_ex_access_region
> > > acpi_ex_field_datum_
> > > acpi_ex_extract_from_field
> > > ...
> > > acpi_ex_ns_evaluate
> > > acpi_ev_execute_reg_method
> > > acpi_ev_reg_run
> > > acpi_ns_walk_namespace
> > > acpi_ev_execute_reg_methods
> > > acpi_install_address_space_handler
> > > acpi_ec_start
> > > acpi_start_single_object
> > > acpi_device_probe
> > > really_probe
> > > ...
> > > bus_add_driver
> > > ...
> > > acpi_ec_init
> 
> Alexey,
> Thanks for the fix -- it is applied.
> 
> Dominik,
> Did this fix help, or is the problem elsehwere?

Unfortunately, this doesn't solve the issue for me -- now I get a panic with
EIP at __list_add+0x2d/0x60, with the call trace being

	...
	die
	do_page_fault
	error_code
	__mutex_lock_slowpath
	mutex_lock
	acpi_ec_transaction

and then the same as above... Will try it out with lockdep disabled.

	Dominik
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