Re: ec locking issue

[Dominik Brodowski <linux@dominikbrodowski.net>]

Hi,

On Tue, Feb 20, 2007 at 09:24:36PM +0300, Alexey Starikovskiy wrote:
> >On Mon, Feb 19, 2007 at 08:44:31AM -0500, Dominik Brodowski wrote:
> >  
> >>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.
> >>    
> >
> >No, doesn't seem to be lockdep-related; same issue continues. "acpi=off"
> >fixes the issue, though, of course...
> >
> >Thanks,
> >	Dominik
> >  
> 
> Dominik,
> Could you send your acpidump and full dmesg please?

http://userweb.kernel.org/~brodo/acpidump.binary
http://userweb.kernel.org/~brodo/acpidump.txt
http://userweb.kernel.org/~brodo/acpi-dmsg.txt

Hope this helps,
	Dominik