Thank you Seth for some reference. I have found informations about
writing WMI drivers very interesting and have started creation of such
module especially for my laptop. I have decompiled MOF object found in
DSDT and its interface definition gave me some hope for a quick solution
(it is very ugly
The fix for the issue with HCI_SYSTEM_EVENT is upstream as 3.2-rc5, and
is also now in the kernel for precise. Therefore I'm moving the status
to fix released.
gluth, thanks a lot for helping test the hotkey support as well. Too bad
it isn't going to work for your machine.
** Changed in: linux
It has successfully loaded and nicely informed me that machine has known
hotkey problems and they will be disabled. This fixes loading problem. I
found WMI reference very interesting and will try to experiment with my
own driver (I always wanted to contribute something to Linux kernel). I
will
gluth: Can you try the toshiba_acpi.ko below? It will disable hotkey
support for your model, so the driver will still load but you should no
longer see the AML execution errors when trying to use hotkeys. And
obviously your hotkeys aren't going to work.
There is one interesting thing, which may lead you to solution. When I
was loading this module manually there was no errors with buffers, but
when It was loaded with kernel starts issue appeared. I will try to
blacklist this module and load it manually to conform, but maybe there
is some
On Mon, Dec 05, 2011 at 08:38:40AM -, gluth wrote:
There is one interesting thing, which may lead you to solution. When I
was loading this module manually there was no errors with buffers, but
when It was loaded with kernel starts issue appeared. I will try to
blacklist this module and
Okay, I think I have an idea of what's going on in the situation from
comment #57. When you load the module without the hotkey support, events
can still be happening but they never get read from the bios. By the
time you've unloaded the old module and loaded the new one, enough
events have come in
Patch seems to work correctly (tested with rc4)! I'll test for few
hours, so if I don't hit any issue in 24 hours, I'd like to see that
patch into mainline =]
Thanks for your work!
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This is weird. I was playing with modules, loading using insmod and
eteacera, hotkeys were not working, and suddenly battery got fully
charged, this appeared in logs:
Dec 5 22:21:48 skeleton kernel: [ 2219.164404] ACPI Exception:
AE_AML_BUFFER_LIMIT, Index (0x00FF) is beyond end of
On Mon, Dec 05, 2011 at 09:25:56PM -, gluth wrote:
This is weird. I was playing with modules, loading using insmod and
eteacera, hotkeys were not working, and suddenly battery got fully
charged, this appeared in logs:
Dec 5 22:21:48 skeleton kernel: [ 2219.164404] ACPI Exception:
Yup, you are right, it looks like BIOS in this machine is completely
crapish and does work in random way (sometimes right, sometimes wrong).
I have tried to reproduce battery autofixing but was unable. Is there
any ACPI method which returns lot's of data but does not change anything
in and could
On Mon, Dec 05, 2011 at 10:12:42PM -, gluth wrote:
Yup, you are right, it looks like BIOS in this machine is completely
crapish and does work in random way (sometimes right, sometimes wrong).
I have tried to reproduce battery autofixing but was unable. Is there
any ACPI method which
Could you share some links about WMI interface definition? I recognize
it only as a part of Windows low-level core fun tools.
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On Mon, Dec 05, 2011 at 10:48:37PM -, gluth wrote:
Could you share some links about WMI interface definition? I recognize
it only as a part of Windows low-level core fun tools.
Start with the link below. There are some links at the bottom of the
page that can serve as a launching-off point
I wonder why overwhelming BIOS with keystrokes turn off this warning. I
will try to reach toshiba, but does not expect anything else than
install windows response.
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On Fri, Dec 02, 2011 at 09:35:30AM -, gluth wrote:
I wonder why overwhelming BIOS with keystrokes turn off this warning. I
will try to reach toshiba, but does not expect anything else than
install windows response.
Here's a guess about why this happens. The DSDT has a sort of buffer to
I did some debugging of your DSDT, and it's doing an operation that
appears to be in violation of the ACPI specification, analogous to a
null pointer dereference in C. It may be that the Windows AML
interpreter allows this, but the one in Linux does not and throws the
exceptions you've been seeing
I have updated and tested, and it seems that every time when I sue FN
key it ends with. It is alway reproductable, after every system restart
(cold or hot, does not matter):
Nov 21 22:28:17 skeleton kernel: [ 129.096715] ACPI Error: Result stack is
empty! State=88012d70f800
On Mon, Nov 21, 2011 at 09:33:38PM -, gluth wrote:
I have updated and tested, and it seems that every time when I sue FN
key it ends with. It is alway reproductable, after every system restart
(cold or hot, does not matter):
I'm not completely clear on the details of what you're saying.
I observed that I don't have to push any other than Fn key to raise this
error. I was pressing Fn + F2 repeatly until battery status came out.
I'll try to reload system and will test press release scenario and
overflow with any key.
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On Mon, Nov 21, 2011 at 10:12:26PM -, gluth wrote:
I observed that I don't have to push any other than Fn key to raise this
error. I was pressing Fn + F2 repeatly until battery status came out.
I'll try to reload system and will test press release scenario and
overflow with any key.
I'm back from reboot and testing. Notices:
- pressing Fn (push) raises error,
- release Fn raises error,
- pressing Fn+F2 raises errors (both on press and release)
Next, I was unable to take this notice out by pressing 'f' repeatly (I
was trying very hard), the error was raised till I have
Stupid me, it's not memory address, this long hex number is status.
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Title:
toshiba_acpi unable to load on TOSHIBA SATELLITE C670-10V
To manage
FYI I've updated the PPA with the code you tested, so it should be safe
to resubscribe to the PPA if you wish to do so.
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Title:
toshiba_acpi
Toshiba a210-15j, 3.2.0-rc1-00252-g8f042aa... dies on flood with
toshiba_acpi: Re-enabled hotkeys.
Please fix it, thank you :-)
P.S. Of course, I can test patches (Gentoo OS)
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On Fri, Nov 18, 2011 at 12:51:44AM -, okias wrote:
Toshiba a210-15j, 3.2.0-rc1-00252-g8f042aa... dies on flood with
toshiba_acpi: Re-enabled hotkeys.
Please fix it, thank you :-)
P.S. Of course, I can test patches (Gentoo OS)
I've sent the fix upstream, and I expect it to be merged
** Tags added: patch
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Title:
toshiba_acpi unable to load on TOSHIBA SATELLITE C670-10V
To manage notifications about this bug go to:
I will test acpi_video when I get back home. How can I switch to bare
linux acpi? I'm missing sleepwakeup the most.
I noticed that there is no tryfail procedure for reenabling hot keys,
and it could be triggered in masses (as I saw in logs). This was my
point. I'm not in kernel development but
On Wed, Nov 16, 2011 at 10:51:35AM -, gluth wrote:
I will test acpi_video when I get back home. How can I switch to bare
linux acpi? I'm missing sleepwakeup the most.
I take it you mean that you want to stop using toshiba_acpi for the time
being? Simply run 'sudo modprobe -r toshiba_acpi'
gluth: Can you give me the output of 'uname -a' on your machine? I'd
like to give you a series of toshiba_acpi.ko files to test, and to do so
I need to know exactly what kernel you are currently running. Thanks!
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Linux skeleton 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:56:25 UTC
2011 x86_64 x86_64 x86_64 GNU/Linux
I'll be back in about hour. Large pack of kernel modules to test, it
sounds like fun!
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Here's the first iteration. This version should load fine for you and
fix the Re-enabled hotkeys problem, but your hotkeys probably won't
work. To load the driver, download the file below and run 'sudo insmod
toshiba_acpi.ko'.
insmod: error inserting 'toshiba_acpi.ko': -1 Unknown symbol in module
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Title:
toshiba_acpi unable to load on TOSHIBA SATELLITE C670-10V
To
from syslog:
Nov 16 18:21:28 skeleton kernel: [ 5970.040528] toshiba_acpi: Unknown symbol
sparse_keymap_free (err 0)
Nov 16 18:21:28 skeleton kernel: [ 5970.040580] toshiba_acpi: Unknown symbol
sparse_keymap_report_event (err 0)
Nov 16 18:21:28 skeleton kernel: [ 5970.040591] toshiba_acpi:
Try running 'sudo modprobe sparse_keymap' then the insmod command.
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Title:
toshiba_acpi unable to load on TOSHIBA SATELLITE C670-10V
To manage
Nov 16 18:46:59 skeleton kernel: [ 7501.392231] toshiba_acpi: Toshiba Laptop
ACPI Extras version 0.19
Nov 16 18:46:59 skeleton kernel: [ 7501.400323] input: Toshiba input device as
/devices/virtual/input/input13
Nov 16 18:46:59 skeleton kernel: [ 7501.408806] Registered led device:
Some of your hotkeys will probably work. I'd expect that the zoom keys
won't, and also battery status and wlan at a minimum won't work either
if present.
Here's a new build, and I suspect that it should get most if not all of
your hotkeys working. Any that don't work should generate an Unkown
key
Battery status and lock key works. Sleep key works (screen goes blank,
unable to wake). Brightnes key works, but not brightness itself, wifi
key works, touchpad lock key works, but touchpad does not lock itself
(no message), zoom keys does not raise any message.
The only key which does not work
On Wed, Nov 16, 2011 at 07:54:23PM -, gluth wrote:
Battery status and lock key works. Sleep key works (screen goes blank,
unable to wake). Brightnes key works, but not brightness itself, wifi
key works, touchpad lock key works, but touchpad does not lock itself
(no message), zoom keys does
Whoa! I didn't know that BIOS can do that! Well, it is pretty good place
to hide a rootkit especially when BIOS is very easy to flash. Sleep
wakeup issue is addressed in this module or should I create new ticket
for this?
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You need a new ticket for the failure to resume from suspend. Your
original report indicates that you see the problem when toshiba_acpi
isn't loaded, so it can't be to blame.
I can't pinpoint the exact cause of the AML execution error, but it
seems very likely that the cause is some bug in the
Backlight also should be in separate ticket?
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Title:
toshiba_acpi unable to load on TOSHIBA SATELLITE C670-10V
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On Wed, Nov 16, 2011 at 11:08:30PM -, gluth wrote:
Backlight also should be in separate ticket?
Yes. The backlight on your machine cannot be adjusted using
toshiba_acpi, so the task is probably to investigate why the standard
ACPI backlight interfaces aren't working.
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Hello Seth!
Is there any progress on this bug, do you need any assistance?
Regards
Jakub
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Title:
toshiba_acpi unable to load on TOSHIBA
gluth: This should be fixed in the 12.04 release. The basic support for
toshiba_acpi on these machines is working, and I'm still working on
support for other features, hotkeys in particular.
If you'd like to help with testing, I've set up a PPA with experimental
changes to the driver that you can
Installed and loaded OK, used backlight key and it has frozen. Restarted, used
sound key, frozen. Checked logs, and they have been filled with gigs of:
Nov 15 23:14:39 skeleton kernel: [ 650.431125] toshiba_acpi: Re-enabled hotkeys
Nov 15 23:14:39 skeleton kernel: [ 650.433030] toshiba_acpi:
Using
/sys/devices/LNXSYSTM:00/device:00/TOS1900:00/backlight/toshiba/brightness
does not give any effect, brightness does not change nor up or down.
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Goes to sleep but screen does not turn off and it is not fully stopping,
unable to wake up.
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Title:
toshiba_acpi unable to load on TOSHIBA
Looked into source, it looks like it is caused by Fn key signalled with
funny value, which makes kernel go into ugly endless loop. Maybe good
idea would be to make this function with some timeout?
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On most Toshibas I've seen the backlight interface toshiba_acpi uses is
read-only, and that's the case on your model. I've verified in your DSDT
that writing the backlight level isn't supported. toshiba_acpi will not
be able to control your backlight. The acpi_video backlight driver
doesn't work
Note that I think there's a better solution than a timeout -- the driver
can detect upfront whether or not HCI_SYSTEM_EVENT is supported and
choose not to use it. Probably the INFO method can be used like on other
devices that use NTFY, but they will need to be decoupled because your
machine
gluth: You need to limit each bug report to a single problem. You've
reported four here: toshiba_acpi won't load, unable to wake from sleep,
cannot adjust backlight, and vt-x not enabled. The only two that might
have any relation are toshiba_acpi not loading and adjusting the
backlight, although
I will arise additional bugs then, especially for vt-x. If you need any
kind of help, tests or assistance let me know, I will help.
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Title:
apport information
** Tags added: apport-collected natty running-unity
** Description changed:
- Newly installed Ubuntu 11.04: unable to wake from sleep, unable to
- operate on backlight, vt-x not available for VirtualBox (enabled in
- bios).
+ Newly installed Ubuntu 11.04: unable to wake from
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
toshiba_acpi unable to load on TOSHIBA SATELLITE C670-10V
To manage
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