Thread (9 messages) 9 messages, 3 authors, 2007-02-22

Re: ec locking issue

From: Dominik Brodowski <linux@dominikbrodowski.net>
Date: 2007-02-20 19:59:05

Hi,

On Tue, Feb 20, 2007 at 09:24:36PM +0300, Alexey Starikovskiy wrote:
quoted
On Mon, Feb 19, 2007 at 08:44:31AM -0500, Dominik Brodowski wrote:
 
quoted
On Fri, Feb 16, 2007 at 12:54:55PM -0500, Len Brown wrote:
   
quoted
quoted
quoted
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
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