ACPI

http://bugzilla.kernel.org/show_bug.cgi?id=13065


Zhang Rui <rui.zhang@...> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|acpi_platform-drivers@... |rui.zhang@...
                   |l-bugs.osdl.org             |




--- Comment #8 from Zhang Rui <rui.zhang@...>  2009-04-23 08:26:04 ---
Created an attachment (id=21090)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=21090)
patch: show query method

please apply this patch, uncomment the line /* #define DEBUG */
 in drivers/acpi/ec.c and rebuild your kernel.
and attach the dmesg output after pressing the query method.

--- Comment #9 from Zhang Rui <rui.zhang@...>  2009-05-05 02:16:33 ---
ping Rafael Varela Pet.

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--- Comment #10 from Rafael Varela Pet <rafael.varela@...>  2009-05-05 17:52:09 ---
I'm, still here. Sorry for the delay. I've been a bit busy last days.

I hope I will be able to give you the requested information this week.

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--- Comment #11 from Zhang Rui <rui.zhang@...>  2009-05-18 09:22:57 ---
ping Rafael Varela Pet again...

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--- Comment #12 from Rafael Varela Pet <rafael.varela@...>  2009-05-18 17:32:13 ---
Created an attachment (id=21413)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=21413)
dmesg output after turning on and off "silent mode"


Thank you for your interest in this issue and sorry (again) for the delay.

I'm not sure I understand what "after pressing the query method" means. The
attachment contains "dmesg" output in single-user mode, running the patched
2.6.26-2-amd64 Debian kernel after turning on and off "silent mode".

I hope this is the information you requested. Let me know if I'm wrong.

Regards

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--- Comment #13 from Zhang Rui <rui.zhang@...>  2009-05-19 03:49:45 ---
Created an attachment (id=21421)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=21421)
customized DSDT

please
apply this customized DSDT,
set CONFIG_ACPI_DEBUG,
rebuild your kernel
reboot with "acpi.debug_layer=0xffffffff acpi.debug_level=0x07"
and then attach the dmesg output after press the "silent mode" key on and off.
note that you should get no reboot this time.

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--- Comment #14 from Rafael Varela Pet <rafael.varela@...>  2009-05-26 19:44:06 ---
Created an attachment (id=21563)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=21563)
dmesg output with custom DSDT

This is the dmesg output before and after activating silent mode.

In silent mode, the systems still reboots. I think I have followed your
instructions correctly. The boot log confirms that the DSDT it's being
overrided:

[    0.087236] ACPI: Override [DSDT-F36_____], this is unsafe: tainting kernel
[    0.087306] ACPI: Table DSDT replaced by host OS

The boot options seem to be correct too:

[    0.000000] Command line: root=/dev/mapper/rigel-root
acpi.debug_layer=0xffffffff acpi.debug_level=0x07 ro single

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--- Comment #15 from Zhang Rui <rui.zhang@...>  2009-05-27 06:42:34 ---
Created an attachment (id=21579)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=21579)
customized DSDT

so the laptop reboots after you press the silent key for the first time, right?
please try this one and re-do the test.

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Rafael Varela Pet <rafael.varela@...> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #21563|0                           |1
        is obsolete|                            |




--- Comment #16 from Rafael Varela Pet <rafael.varela@...>  2009-06-04 21:03:14 ---
Created an attachment (id=21755)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=21755)
dmesg output with the second custom DSDT

Until now, the laptop rebooted after pressing silent key for the first time
*and* after trying to run any command.

With the latest DSDT the system reboots right after pressing the key (this
happened two times, but in one of the three attempts the system survived, so I
could get the dmesg output.

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--- Comment #17 from Zhang Rui <rui.zhang@...>  2009-06-05 01:34:18 ---
please redo the test on a newer kernel, say 2.6.29.
2.6.26 is a little bit old to get the debug info I want.

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Zhang Rui <rui.zhang@...> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #21755|application/octet-stream    |text/plain
          mime type|                            |




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Rafael Varela Pet <rafael.varela@...> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #21413|0                           |1
        is obsolete|                            |
  Attachment #21755|0                           |1
        is obsolete|                            |




--- Comment #18 from Rafael Varela Pet <rafael.varela@...>  2009-06-06 20:57:54 ---
Created an attachment (id=21780)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=21780)
dmesg output. kernel 2.6.29 with custom DSDT

Sure. Here's the dmesg output with an stock kernel verswion 2.6.29.4

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--- Comment #19 from Zhang Rui <rui.zhang@...>  2009-06-08 02:13:01 ---
In the test mentioned in comment #18, the laptop reboots soon after you press
the "silent mode" key for the second time, right?
If yes, please build in the processor module and boot with boot option
"processor.ignore_ppc=1", does the problem still exist like before?

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--- Comment #20 from Rafael Varela Pet <rafael.varela@...>  2009-06-08 21:27:50 ---
No, in the test in comment #18 the system didn't reboot, it survived. I've
repeated it. This time the system crashed (no reboot) the first time I pressed
the key.

After that, I booted with option "processor.ignore_ppc=1". This time the system
got frozen after showing the debug info (no reboot, no kernel panic or similar
messages). I had to press the key three times (i.e:silent mode on, silent mode
off and silent mode on again)

I'm sorry but I don't understand what you mean with "build in the processor
module"

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--- Comment #21 from Zhang Rui <rui.zhang@...>  2009-06-18 09:10:34 ---
> 
> I'm sorry but I don't understand what you mean with "build in the processor
> module"

in the kernel config file, CONFIG_ACPI_PROCESSOR=y

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--- Comment #22 from Rafael Varela Pet <rafael.varela@...>  2009-06-22 17:11:47 ---
Ok. I understand now. 

The test was made with CONFIG_ACPI_PROCESSOR=m and "processor.ko" loaded into
memory

I will test it again with CONFIG_ACPI_PROCESSOR=y

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--- Comment #23 from Zhang Rui <rui.zhang@...>  2009-07-06 03:40:49 ---
ping ...

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Rafael Varela Pet <rafael.varela@...> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #21780|0                           |1
        is obsolete|                            |




--- Comment #24 from Rafael Varela Pet <rafael.varela@...>  2009-07-08 15:31:26 ---
Created an attachment (id=22257)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=22257)
demsg output with kernel config and dsdt from the running kernel 

I've repeated the test with the processor module compiled into the kernel

Zip contents are:

-Output of dmesg before entering silent mode
-Output of dmesg before turning silent mode on and off
-Running kernel configuration
-Running kernel dsdt contents
-Kernel command line parameters

The last three items are supplied just to avoid misunderstandings.

Just for the record, the kernel crashed again after trying to run a "ls"
command while in silent mode.

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--- Comment #25 from Zhang Rui <rui.zhang@...>  2009-07-30 01:00:27 ---
please try the patch at http://patchwork.kernel.org/patch/38246/ and see if it
helps.

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--- Comment #26 from Zhang Rui <rui.zhang@...>  2009-08-12 06:20:26 ---
ping Rafael Varela Pet :)

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Zhang Rui <rui.zhang@...> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |REJECTED
         Resolution|                            |INSUFFICIENT_DATA




--- Comment #27 from Zhang Rui <rui.zhang@...>  2009-09-03 06:52:38 ---
no response from the bug reporter for more than a month.
close it.

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--- Comment #28 from Rafael Varela Pet <rafael.varela@...>  2009-09-13 10:30:55 ---
Sorry for that. I was on vacation with no easy access to my computer

The patch at http://patchwork.kernel.org/patch/38246/ does noy apply cleanly to
kernel 2.6.29.4, but I adapted the patch to give it a try... with no luck.

I'm downloading kernel 2,6.31 to repeat the test. Please, tell if you want me
to test it with the custom DSDT or with the DSDT that came with the laptop

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--- Comment #29 from Zhang Rui <rui.zhang@...>  2009-09-14 05:21:14 ---
using the original DSDT is okay, thanks.

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--- Comment #30 from Rafael Varela Pet <rafael.varela@...>  2009-09-14 16:49:35 ---
Tested with kernel 2.6.31 and the original DSDT. I didn't apply the patch at
http://patchwork.kernel.org/patch/38246/ because it is already incorporated in
kernel version 2.6.31

Similar result as in previous kernels: in single-user mode, system reboots
inmediately after trying to run any command while in "silent mode".

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Rafael Varela Pet <rafael.varela@...> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #22257|0                           |1
        is obsolete|                            |




--- Comment #31 from Rafael Varela Pet <rafael.varela@...>  2009-09-27 08:35:29 ---
Created an attachment (id=23188)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=23188)
dmesg output with kernel 2.6.31

I forgot to attach the dmesg output with kernel 2.6.31

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