Nabble - Linux Thinkpad

ThinkPad R61 NF5DEGE

2008-11-20T04:30:57Z

Hello List!

After my ThinkPad SL500 disaster, I searched a new ThinkPad for me. Now
I found the ThinkPad R61 NF5DEGE.

What are your opinion/experiences on this Modell and Linux/Ubuntu?

Thank you for your advice!
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Re: [Fwd: Lenovo's reply ...] re SL500

2008-11-20T02:12:04Z

Yves Dorfsman schrieb:
> [snip...]
> Are the toughbooks worth the money they charge for them ?
>

if you want to beat up people with your notebook they are i think ;)

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Re: [Fwd: Lenovo's reply ...] re SL500

2008-11-19T17:55:21Z

Laurent wrote:
> Hi,
>
>>> Nothing touches Thinkpads for reliability and or build quality.
>>
>> THAT is not true anymore.
>
> OK, so who is the new quality king? Cause i have friends looking for
> new, T-series style laptops.
>

Yes, I have the same question, I am not ready to fight a company that has
decided to go low quality. If Thinkpad aren't what they used to be anymore,
that means there will be some space in the market for that kind of quality
product, and I'll just switch to that product (while missing the trackpoint !).

Are the toughbooks worth the money they charge for them ?

--
Yves.
http://www.sollers.ca/blog/2008/swappiness
http://www.sollers.ca/blog/2008/swappiness/.fr

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Re: [Fwd: Lenovo's reply ...] re SL500

2008-11-19T14:34:28Z

Hi,

>> Nothing touches Thinkpads for reliability and or build quality.
>
> THAT is not true anymore.

OK, so who is the new quality king? Cause i have friends looking for
new, T-series style laptops.

thanks.
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Re: Re: ThinkPad Batteries

2008-11-19T14:01:22Z

On Wed, 19 Nov 2008, Yves-Alexis Perez wrote:

> On mar, 2008-11-18 at 09:56 -0200, Henrique de Moraes Holschuh wrote:
> > > - Hardware volume control
> >
> > Dropped on new thinkpads, someone in Lenovo is going cheap here. I
> > have
> > complained to them, but unless a lot of people start making a fuss
> > about it,
> > we will be dealing with Dell-style "just in software" muting, which is
> > horrible (ever needed to mute the BIOS in a hurry?).
>
> And how can we ???make a fuss???? :)

If you happen to find out that your new thinkpad has such glaring design
compromises, return it? And make sure to call Lenovo and register the
reason why you returned your brand new thinkpad for an older model or your
money back? Note: do NOT buy a thinkpad just to return it, *that* would be
dishonest.

Start a big thread on the Lenovo forums and blogs (if on-topic! let's not
make a nuisance of ourselves) calling them upon such issues?

Remember that it will be the *quality* of the way you do it that will make
an impression, especially if it is also backed by many others. Above all,
nobody pays attention to obnoxious people with bad grammar, bad spelling,
and even worse reasoning... in fact, bad quality posts are a hindrance to
whatever they are "attempting" to "help" with.

--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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Re: [Fwd: Lenovo's reply ...] re SL500

2008-11-19T13:52:04Z

On Tue, 18 Nov 2008, Ted Frater wrote:
> Does this mean that all of us Thinkpad enthusiasts should also write to
> that email address? raising our concerns?

I don't know. A lot of people did it on the Lenovo blog site, some with
better thought out posts, others with posts that were best never being
written in the first place (and would belong in sites like slashdot).

> Nothing touches Thinkpads for reliability and or build quality.

THAT is not true anymore. You now have to factor in luck as well, there are
parts suppliers and parts suppliers...

And Lenovo is going cheap behind the scenes on non-key stuff.
Hardware-based muting and volume control are rumored to be gone for good:
the thinkpad has gone down to Dell level on this. Stelar quality Synaptics
touchpads are now inferior ALPS crap... which I suppose is worse than
Dell(!) level. And batteries now are not lasting much, either from what I
get on the list and forums.

The frame and hinges are still top-notch (in fact, I am told they
*improved*!), but screwups somewhere have caused keyboard flex issues (that
apparently are being silently fixed), etc.

I.e. it is business as usual. IBM had their share of screwups on the
ThinkPad line too.

You *have* to raise hell every time you come into anything substandard in a
ThinkPad, otherwise either Lenovo or that parts supplier will just keep
dragging quality lower and lower.

--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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Re: [Fwd: Lenovo's reply ...] re SL500

2008-11-19T07:56:47Z

bhaskins@... wrote:

> ---- Ted Frater <ted.ffrater@...> wrote:
>
>
>> Does this mean that all of us Thinkpad enthusiasts should also write to
>> that email address? raising our concerns?
>> I for one have used albeit an elderly A21P for some 4 years now, it
>> does everything I need,and so far, never has gone wrong,
>> and it had a 3 year life before coming to me on the IBM corporate
>> leasing roundabout.
>> Nothing touches Thinkpads for reliability and or build quality.
>> Ted Frater
>>
>> Dorset UK
>>
>>
> Have you ever tried video capture on your A21P? and if so,
> did you have any luck?
> Thanks,
> Bert
>
>

Sorry but no.
Will ask my software speciallist if he has

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Re: [Fwd: Lenovo's reply ...] re SL500

2008-11-19T05:17:38Z

---- Ted Frater <ted.ffrater@...> wrote:

> Does this mean that all of us Thinkpad enthusiasts should also write to
> that email address? raising our concerns?
> I for one have used albeit an elderly A21P for some 4 years now, it
> does everything I need,and so far, never has gone wrong,
> and it had a 3 year life before coming to me on the IBM corporate
> leasing roundabout.
> Nothing touches Thinkpads for reliability and or build quality.
> Ted Frater
>
> Dorset UK
>

Have you ever tried video capture on your A21P? and if so,
did you have any luck?
Thanks,
Bert

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Booting from CF

2008-11-19T01:16:27Z

Hi,

i "upgraded" a R51 1829 using a Sandisk Extreme III 16GB CF card
(the new, faster edition). After booting the card works very fine,
fast and battery-friendly. But the booting is a real problem: the
bootloader grub always starts and shows the menu. But the initrd
sometimes fails to load (crc error, system halted) or the initrd
is loaded fine, but it fails to mount the / partition (Kernel panik
or it droppes to the initrd-shell).

The card seems to work correctly: badblocks found no problems, no
corrupted files, no fs-damage, no errors in fsck (executed at every
boot for now, just to be sure), nothing in dmesg.

My guess is a problem the adapter, but i have no clue how to fix
this.

Anyone?

Thanks.
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Re: Re: ThinkPad Batteries

2008-11-18T21:46:26Z

On mar, 2008-11-18 at 09:56 -0200, Henrique de Moraes Holschuh wrote:
> > - Hardware volume control
>
> Dropped on new thinkpads, someone in Lenovo is going cheap here. I
> have
> complained to them, but unless a lot of people start making a fuss
> about it,
> we will be dealing with Dell-style "just in software" muting, which is
> horrible (ever needed to mute the BIOS in a hurry?).

And how can we “make a fuss”? :)

Cheers,
--
Yves-Alexis

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Re: battery drain while asleep?

2008-11-18T21:23:00Z

On ven, 2008-11-14 at 17:16 +0100, Yves-Alexis Perez wrote:
> > To the OP: the single biggest contributor I've noticed was uhci/ehci
> usb
> > modules. Try removing them both and see if it helps.
>
> Will try, thanks.

corsac@hidalgo: sudo modprobe -r ehci_hcd
corsac@hidalgo: date -R;acpitool -B
Tue, 18 Nov 2008 08:32:44 +0100
Battery #1 : present
Remaining capacity : 41400 mWh, 78.78%, 01:52:18
Design capacity : 56160 mWh
Last full capacity : 52550 mWh, 93.57% of design capacity
Capacity loss : 6.428%
Present rate : 22118 mW
Charging state : discharging
Battery type : rechargeable, LION
Model number : COMPATIBLE
Serial number : 38
corsac@hidalgo: date -R;acpitool -B
Wed, 19 Nov 2008 06:21:16 +0100
Battery #1 : present
Remaining capacity : 24740 mWh, 47.08%, 01:47:05
Design capacity : 56160 mWh
Last full capacity : 52550 mWh, 93.57% of design capacity
Capacity loss : 6.428%
Present rate : 13861 mW
Charging state : discharging
Battery type : rechargeable, LION
Model number : COMPATIBLE
Serial number : 38

So it doesn't seem to fix the problem.

Cheers,
--
Yves-Alexis

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Re: Fan problem.

2008-11-18T15:22:57Z

On Tue, 18 Nov 2008, x03 wrote:
> I have a T61, and when i power on the laptop,
> the fan start with a huge noise, like if it is locked by something...
> i get the 'thinpad' bios splash screen and after the message 'Fan error'.
>
> If i unplug the power AC, and just run with battery, this noise disapear!

Call Lenovo and request a fan repair, if still under warranty...

Otherwise, open the T61 and throughoutly clean it.

--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
--
The linux-thinkpad mailing list home page is at:
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Re: acpi-cpufreq with phc-controls

2008-11-18T15:07:47Z

On Tue, 2008-11-18 at 07:57 +0100, Tino Keitel wrote:

> On Tue, Nov 18, 2008 at 00:40:32 +0100, Roman Haefeli wrote:
> > hi all
> >
> > i am on a T61 wih ubuntu intrepid installed and i would like to
> > undervolt my cpu in order to save battery power.
> >
> > on hardy everything worked quite straightforward. i downloaded the
> > linux sources (matching my kernel), patched the acpi-cpufreq with the
> > linux-phc patch and compiled the module. now, in intrepid, the build
> > process seems to work fine as well, but when i try to insert the
> > module i get:
> >
> > FATAL: Error inserting acpi_cpufreq
> > (/lib/modules/2.6.27-3-rt/kernel/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.ko): Invalid module format
> >
> > after doing that, dmest shows:
> >
> > [ 333.046333] acpi_cpufreq: no symbol version for struct_module
>
> The .config you used to compile this module doesn't match the .config
> the kernel was compiled with.

thanks for your response.

it turned out, that the config was ok. i copied it
from /boot/config-$(uname -r), as told in the howto.

the problem was a different one:
during compilation, there was a warning about a missing Module.symvers
file and ignored it because the howto clearly stated, that it should be
ignored. anyway, later on, i found a proper Module.symvers
in /usr/src/linux-headers-$(uname -r), so i made a symlink from the
linux sources to it and then i compiled the module again. then it loaded
fine.

roman

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Re: [Fwd: Lenovo's reply ...] re SL500

2008-11-18T12:27:26Z

Donald B Altman wrote:

> Hello,
>
> I was disturbed enough by the recent discussions on this list of the
> SL500 being a half-Thinkpad that I wrote to Lenovo customer service.
> I just received their reply, which I find encouraging. (At least they
> appear to be listening).
>
> Don A
>
> Note: Minor edits have been made to what's below.
>
> -------- Original Message --------
> Subject: Lenovo's reply ...
> Date: Tue, 18 Nov 2008 12:10:36 -0500
> From: websales@...
> <SNIP>
>
> Dear Donald B Altman,
>
> Thank you for contacting Lenovo, the makers of ThinkPad and ThinkCentre
> products.
>
> We thank you for your email regarding the Thinkpad line and appreciate
> the respect and passion you have for our products.
>
> We will bring this to the attention of our management at our next
> meeting to voice your concerns upon your behalf.
>
> If you have any further questions or concerns, feel free to reply to
> this email, or to call us at 1-866-42-THINK (428-4465). We will be
> happy to assist you further at that time.
>
> Once again, thank you for contacting Lenovo.
>
> Sincerely,
> Lenovo Websales
> Website: www.lenovo.com/us
>
>
> *Donald B Altman <dona_AT_SingularTech.com>*
>
> 11/17/2008 11:06 AM
>
>
> To
> websales@...
> cc
>
> Subject
> Thinkpads
>
>
> Hello,
>
> I've used Thinkpads since 1999. Before that I had to get a new notebook
> every 2-3 years due to hardware problems. Both of my Thinkpads have
> lasted 4+ years and so I hope to stick with the line for my next
> notebook, due later this year.
>
> One thing that disturbs me VERY much is the SL500. It is not a true
> Thinkpad, but rather half Ideapad hardware. (E.g. it is incompatible
> with tp-smapi, HDAPS, etc.) As such, I have no confidence that it
> will be as durable as my other Thinkpads have been. Hence I have no
> reason to prefer it over a more generic brand such as HP or Acer or Dell.
>
> I would urge you to reserve the Thinkpad brand for the type of durable
> hardware that you've sold in the past. And use that durability and
> compatibility and history of success as a selling point! Your current
> strategy of merging the Ideapad and Thinkpad lines, while it will result
> in short-term savings, will destroy the very valuable asset you hold in
> the Thinkpad's reputation.
>
> Thank you very much for your consideration.
>
> Don A

Does this mean that all of us Thinkpad enthusiasts should also write to
that email address? raising our concerns?
I for one have used albeit an elderly A21P for some 4 years now, it
does everything I need,and so far, never has gone wrong,
and it had a 3 year life before coming to me on the IBM corporate
leasing roundabout.
Nothing touches Thinkpads for reliability and or build quality.
Ted Frater

Dorset UK

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[Fwd: Lenovo's reply ...] re SL500

2008-11-18T10:04:34Z

Hello,

I was disturbed enough by the recent discussions on this list of the
SL500 being a half-Thinkpad that I wrote to Lenovo customer service. I
just received their reply, which I find encouraging. (At least they
appear to be listening).

Don A

Note: Minor edits have been made to what's below.

-------- Original Message --------
Subject: Lenovo's reply ...
Date: Tue, 18 Nov 2008 12:10:36 -0500
From: websales@...
<SNIP>

Dear Donald B Altman,

Thank you for contacting Lenovo, the makers of ThinkPad and ThinkCentre
products.

We thank you for your email regarding the Thinkpad line and appreciate
the respect and passion you have for our products.

We will bring this to the attention of our management at our next
meeting to voice your concerns upon your behalf.

If you have any further questions or concerns, feel free to reply to
this email, or to call us at 1-866-42-THINK (428-4465). We will be happy
to assist you further at that time.

Once again, thank you for contacting Lenovo.

Sincerely,
Lenovo Websales
Website: www.lenovo.com/us

*Donald B Altman <dona_AT_SingularTech.com>*

11/17/2008 11:06 AM

To
websales@...
cc

Subject
Thinkpads

Hello,

I've used Thinkpads since 1999. Before that I had to get a new notebook
every 2-3 years due to hardware problems. Both of my Thinkpads have
lasted 4+ years and so I hope to stick with the line for my next
notebook, due later this year.

One thing that disturbs me VERY much is the SL500. It is not a true
Thinkpad, but rather half Ideapad hardware. (E.g. it is incompatible
with tp-smapi, HDAPS, etc.) As such, I have no confidence that it will
be as durable as my other Thinkpads have been. Hence I have no reason
to prefer it over a more generic brand such as HP or Acer or Dell.

I would urge you to reserve the Thinkpad brand for the type of durable
hardware that you've sold in the past. And use that durability and
compatibility and history of success as a selling point! Your current
strategy of merging the Ideapad and Thinkpad lines, while it will result
in short-term savings, will destroy the very valuable asset you hold in
the Thinkpad's reputation.

Thank you very much for your consideration.

Don A
--

Donald B. Altman
Singular Technologies
Pleasantville, NY

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2008-11-18T08:01:16Z

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Please contact ext. 4000 if you need assistance.

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Fan problem.

2008-11-18T07:17:25Z

hi list!

I have a T61, and when i power on the laptop,
the fan start with a huge noise, like if it is locked by something...
i get the 'thinpad' bios splash screen and after the message 'Fan error'.

If i unplug the power AC, and just run with battery, this noise disapear!

Someone had this problem or similar?

Thanks a lot.
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Re: Re: ThinkPad Batteries

2008-11-18T03:56:55Z

On Tue, 18 Nov 2008, Michael Karcher wrote:
> The EC is *not* part of your BIOS that does things behind your back,
> this is called the SMBIOS (and accessed via smapi), but a tiny low-power

Acessed via smapi, SMI traps (about half the ACPI table in a ThinkPad are
SMI traps), and all sort of nasty crap that gets in the way of proper kernel
timekeeping, proper kernel hardware handling, proper kernel watchdog
handling, etc :(

Heck, IBM (and now Lenovo) uses SMBIOS code to even update the CMOS nvram...
on one hand, that means the ThinkPad just works well most of the time, even
in MS-DOS mode... On the other hand, if you manage to do *anything* to the
machine the SMBIOS wouldn't like, you have misterious crashes and hangs that
are extremely hard to reproduce.

One thing that is guaranteed to upset the SMBIOS is the NMI watchdog, and
also any attempts to reboot the box via the chipset watchdog (available
since the T42, I think. Check the Intel MCH datasheets).

> processor that works completely independent from the main processor, and
> handles at least the following things (on a T20, T60 might be different)

It is the same chip family since the T20, yes. A Renesas H8S/300
microcontroller, family 2600. The specific chip changes, depending on the
number of IO pins IBM/Lenovo wanted, etc.

The firmware (both EC and SMBIOS) is likely the same basic core, with
continuous updates as features are added and fixed. That's what makes it
possible for us to support so many ThinkPad models with minimum hassle: IBM
took great pains to keep the interface constant, and Lenovo is keeping up
with that tradition reasonably well.

> - Hardware volume control

Dropped on new thinkpads, someone in Lenovo is going cheap here. I have
complained to them, but unless a lot of people start making a fuss about it,
we will be dealing with Dell-style "just in software" muting, which is
horrible (ever needed to mute the BIOS in a hurry?).

> - Brightness control

On software, nowadays, because that control moved to the GPU and the O.S.
needs to be able to control the GPU without conflicts with the firmware.

> - Thermal supervision, shutdown of the system if way too hot.
> - Beeping signals (for example on critical battery), this does NOT
> include the usual PC speaker beeping.

And seems to be changed on new Lenovo ThinkPads as well :-( Probably part
of their "let's do it cheap like Dells" move on the audio control.

> All these things are completely independent from the host processor,
> even if the EC stops performing may of the tasks when the host processor
> is not running.

IME, when the EC goes crazy, the machine will lock down hard really soon.
Probably the SMBIOS goes berserk as well while trying to talk to the
misbehaving EC, and ends up locking down the host CPU too.

--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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Re: thinkpad_ec fails to load on Thinkpad T500

2008-11-18T03:41:24Z

On Mon, 17 Nov 2008, Henrique de Moraes Holschuh wrote:

> On Mon, 17 Nov 2008, Shem Multinymous wrote:
> > On Tue, Oct 14, 2008 at 10:45 AM, Henrique de Moraes Holschuh
> > <hmh@...> wrote:
> > > On Sat, 11 Oct 2008, Wolfgang Enderlein wrote:
> > >> Oct 11 14:11:59 abe-nb-9 kernel: system 00:02: ioport range 0x1600-0x1641 has been reserved
> > >> Oct 11 14:11:59 abe-nb-9 kernel: system 00:02: ioport range 0x1600-0x161b has been reserved
> > >> [...]
> > >> Oct 11 15:51:54 abe-nb-9 kernel: thinkpad_ec: cannot claim io ports 0x1600-0x161f
> > >
> > > The BIOS is claiming the IO ports for itself. It shouldn't, unless it is
> > > going to use them (which, AFAIK, it does NOT) and doesn't want any drivers
> > > touching it.
> > >
> > > I will ask Lenovo to drop the 0x1600-0x161f range from the ACPI port
> > > reservation table. If they do, fine (and you will have to update your BIOS
> > > for thinkpad_ec to work). If they don't, we will need to add a quirk to
> > > unreserve that range by force.
> >
> > Any progress with that, or suggestions for implementing the quirk?
>
> None, because I simply could not figure out what is exactly happening (!).
>
> I don't want to bother Lenovo if I am not sure that I am asking them to do the
> right thing...

Please, the two people with the T500 and T400 that have the issue: Open a
bug in bugzilla.kernel.org (whomever does it first, please send the bug
number here so that others will file extra information on the same bug
report).

It is important to attach to the bug report the dmidecode output, the
acpidump output, and the kernel log (full, since boot). That way, the
people responsible for PCI/ACPI/PnP resource reservation can have a look at
it, and tell us how we should fix out-of-tree HDAPS and tp_smapi.

If *they* say it is a BIOS bug, I can be confident enough of it to report it
as such to Lenovo and request a fix.

--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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Re: acpi-cpufreq with phc-controls

2008-11-17T22:57:13Z

On Tue, Nov 18, 2008 at 00:40:32 +0100, Roman Haefeli wrote:

> hi all
>
> i am on a T61 wih ubuntu intrepid installed and i would like to
> undervolt my cpu in order to save battery power.
>
> on hardy everything worked quite straightforward. i downloaded the
> linux sources (matching my kernel), patched the acpi-cpufreq with the
> linux-phc patch and compiled the module. now, in intrepid, the build
> process seems to work fine as well, but when i try to insert the
> module i get:
>
> FATAL: Error inserting acpi_cpufreq
> (/lib/modules/2.6.27-3-rt/kernel/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.ko): Invalid module format
>
> after doing that, dmest shows:
>
> [ 333.046333] acpi_cpufreq: no symbol version for struct_module

The .config you used to compile this module doesn't match the .config
the kernel was compiled with.

Regards,
Tino
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Re: thinkpad_ec fails to load on Thinkpad T500

2008-11-17T16:18:07Z

On Mon, 17 Nov 2008, Shem Multinymous wrote:

> On Tue, Oct 14, 2008 at 10:45 AM, Henrique de Moraes Holschuh
> <hmh@...> wrote:
> > On Sat, 11 Oct 2008, Wolfgang Enderlein wrote:
> >> Oct 11 14:11:59 abe-nb-9 kernel: system 00:02: ioport range 0x1600-0x1641 has been reserved
> >> Oct 11 14:11:59 abe-nb-9 kernel: system 00:02: ioport range 0x1600-0x161b has been reserved
> >> [...]
> >> Oct 11 15:51:54 abe-nb-9 kernel: thinkpad_ec: cannot claim io ports 0x1600-0x161f
> >
> > The BIOS is claiming the IO ports for itself. It shouldn't, unless it is
> > going to use them (which, AFAIK, it does NOT) and doesn't want any drivers
> > touching it.
> >
> > I will ask Lenovo to drop the 0x1600-0x161f range from the ACPI port
> > reservation table. If they do, fine (and you will have to update your BIOS
> > for thinkpad_ec to work). If they don't, we will need to add a quirk to
> > unreserve that range by force.
>
> Any progress with that, or suggestions for implementing the quirk?

None, because I simply could not figure out what is exactly happening (!).

I don't want to bother Lenovo if I am not sure that I am asking them to do the
right thing...

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Re: Re: ThinkPad Batteries

2008-11-17T16:16:31Z

Am Dienstag, den 18.11.2008, 01:54 +0200 schrieb Micha:
> > Nothing is stored in the battery.
> Makes sense but still, those thresholds hold even if I charge the computer when
> it's off. I can turn it off, charge it while it's off and it still doesn't go
> above the set 80%.
If you turn your thinkpad off, the EC does *not* turn off as long as AC
is present. It seems to be common knowledge that on modern Thinkpad, the
EC even stays on as long a battery *or* AC is present, so your 80% value
keeps active unless you drain your battery to exhaustion (you should
avoid that anyway) or let it alone long enough with any power source.

The EC is *not* part of your BIOS that does things behind your back,
this is called the SMBIOS (and accessed via smapi), but a tiny low-power
processor that works completely independent from the main processor, and
handles at least the following things (on a T20, T60 might be different)
- Keyboard controller
- Keyboard processor for the internal keyboard
- Communication with external PS/2 keyboard if present, synching
indicator lights and things like that
- Communication with Touchpad, Trackpoint and external PS/2 mice.
- Hardware volume control
- Brightness control
- Controlling the LEDs
- Controlling the fan
- Supervising battery charging and selecting batteries if more than
one is present (THIS is what we talk about)
- Handling the bay-eject handle.
- Handling the docking process.
- Thermal supervision, shutdown of the system if way too hot.
- Beeping signals (for example on critical battery), this does NOT
include the usual PC speaker beeping.
All these things are completely independent from the host processor,
even if the EC stops performing may of the tasks when the host processor
is not running.

Regards,
Michael Karcher

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Re: Re: ThinkPad Batteries

2008-11-17T15:54:02Z

On Thu, 13 Nov 2008 17:10:37 -0200
Henrique de Moraes Holschuh <hmh@...> wrote:

> On Thu, 13 Nov 2008, Elias Oltmanns wrote:
> > >> This will probably not work as expected. The settings configured through
> > >> tp_smapi are persistent if either the machine is not switched off (s2ram
> > >> is ok) or AC is plugged in. As soon as you shut the machine down and
> > >> unplug it from AC, the factory defaults will be reset and the battery
> > >> will be recharged the next time you plug in AC again.
> > >
> > > That is not true. The settings are stored on the battery afaik since
> > > turning off doesn't cause any problem. Not sure though about taking the
> > > battery out when the machine is off, need to check that one.
>
> Nothing is stored in the battery.
>

Makes sense but still, those thresholds hold even if I charge the computer when
it's off. I can turn it off, charge it while it's off and it still doesn't go
above the set 80%.

> > Well, it is true for my machine (X40). I wasn't aware that there are
> > differences in this respect from one model to another. But then, it
> > doesn't necessarily suprise me.
>
> Correct. Since somewhere in the middle of the *60 line, Lenovo stopped
> rebooting the EC or changed something in the way they did it. Unless you
> remove ALL power from the ThinkPad, EC parameters are kept across reboots
> and shutdowns...
>
> So, if you REALLY need to reboot the EC to a clean state in a Lenovo
> thinkpad, you may find yourself forced to remove AC, remove all battery
> packs, and maybe even do the "press the power button for 3s, at least 10
> times, then press it for 12s one last time" dance.
>

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acpi-cpufreq with phc-controls

2008-11-17T15:40:32Z

hi all

i am on a T61 wih ubuntu intrepid installed and i would like to
undervolt my cpu in order to save battery power.

on hardy everything worked quite straightforward. i downloaded the linux
sources (matching my kernel), patched the acpi-cpufreq with the
linux-phc patch and compiled the module. now, in intrepid, the build
process seems to work fine as well, but when i try to insert the module
i get:

FATAL: Error inserting acpi_cpufreq
(/lib/modules/2.6.27-3-rt/kernel/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.ko): Invalid module format

after doing that, dmest shows:

[ 333.046333] acpi_cpufreq: no symbol version for struct_module

i am stuck here. i don't know how to add 'symbol version' to the module.
i strictly followed the instructions on:

http://phc.athousandnights.de/viewtopic.php?f=8&t=8&st=0&sk=t&sd=a

i wonder, if someone else succeeded on a T61 with the same kernel
(2.6.27-3-rt) to compile acpi-cpufreq with phc-controls.

thanks
roman

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Re: thinkpad_ec fails to load on Thinkpad T500

2008-11-17T15:24:50Z

Hi Henrique,

On Tue, Oct 14, 2008 at 10:45 AM, Henrique de Moraes Holschuh
<hmh@...> wrote:

> On Sat, 11 Oct 2008, Wolfgang Enderlein wrote:
>> Oct 11 14:11:59 abe-nb-9 kernel: system 00:02: ioport range 0x1600-0x1641 has been reserved
>> Oct 11 14:11:59 abe-nb-9 kernel: system 00:02: ioport range 0x1600-0x161b has been reserved
>> [...]
>> Oct 11 15:51:54 abe-nb-9 kernel: thinkpad_ec: cannot claim io ports 0x1600-0x161f
>
> The BIOS is claiming the IO ports for itself. It shouldn't, unless it is
> going to use them (which, AFAIK, it does NOT) and doesn't want any drivers
> touching it.
>
> I will ask Lenovo to drop the 0x1600-0x161f range from the ACPI port
> reservation table. If they do, fine (and you will have to update your BIOS
> for thinkpad_ec to work). If they don't, we will need to add a quirk to
> unreserve that range by force.

Any progress with that, or suggestions for implementing the quirk?

Shem
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thinkpad_ec fails to load on Thinkpad T500

2008-11-17T12:17:19Z

Hello.

I can confirm this same issue on a Thinkpad T400 on 2.6.27.5 amd64. I
look forward to seeing a response from Lenovo or the quirk fix if
required. Thanks.

Derrick
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Re: battery drain while asleep?

2008-11-17T01:30:51Z

On Mon, 17 Nov 2008, Shem Multinymous wrote:
> My reading of DRAM specs is that power consumption for self-refresh is
> typically minuscule.

I see. So, if the EC is placing the DRAM into self-refresh, we should be
able to just ignore it.

> Still, it may be possible to power off unused DRAM modules.
> The Intel 915 (and presumably later) chipsets support memory
> powerdown, and Linux's memory hotplug should be able to make the
> kernel evacuate a range of memory. The BIOS, of course, may choke on
> this.

This is probably not worth the trouble...

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Re: battery drain while asleep?

2008-11-16T23:41:58Z

On Fri, Nov 14, 2008 at 8:19 AM, Henrique de Moraes Holschuh
<hmh@...> wrote:
> On Fri, 14 Nov 2008, Michael Gaber wrote:
>> it was about 13h so 10Wh/13h~0,75W
>> i think it should be possible to get a T-Series thinkpad down to 300mW
>
> RAM eats up a lot of the power used doing S3 sleep. The bigger the ammount
> of RAM, the bigger the ammount of power needed for self-refresh.

My reading of DRAM specs is that power consumption for self-refresh is
typically minuscule.
Still, it may be possible to power off unused DRAM modules.
The Intel 915 (and presumably later) chipsets support memory
powerdown, and Linux's memory hotplug should be able to make the
kernel evacuate a range of memory. The BIOS, of course, may choke on
this.

Shem
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Re: ThinkPad SL500 brightness up hotkey not working]

2008-11-16T17:47:14Z

On Sun, 16 Nov 2008, Michael Meese wrote:
> I think, I will ship my notebook back to my trader.

If you did feel cheated or misled by the ThinkPad name in a machine with
non-ThinkPad insides, make *sure* to let Lenovo (and not just your
dealer/trader) know that you returned it and that you are dissapointed with
their decision to sell it under the ThinkPad brand. They need to get this
kind of feedback to know where they went wrong.

OTOH, if you are not feeling misled or cheated and just wanted something
that supported Linux better, I recommend you get an R-series. It is a bit
more expensive than the SL series, but IMHO still well worth it.

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Re: ThinkPad SL500 brightness up hotkey not working]

2008-11-16T17:38:03Z

On Sun, 16 Nov 2008, Thomas Adam wrote:
> You have an SL500 -- hard luck. That's not a strict Thinkpad. No
> tp-smapi, HDAPS, etc. It's more like an IDEAPad, IIRC.

It *is* an IdeaPad in better housing and with _some_ ThinkVantage stuff
added in.

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Re: ThinkPad SL500 brightness up hotkey not working]

2008-11-16T12:36:31Z

>
> See here:
> http://mailman.linux-thinkpad.org/pipermail/linux-thinkpad/2008-October/044992.html
>
> Looks like we will have to stick with the standard(RTX) series of
> Thinkpads, hopefully they wont bork up that FW too.
>
>
> --
> Dan Maranville

That sound not very good...

I think, I will ship my notebook back to my trader.

Thank you, for your advice...

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Re: ThinkPad SL500 brightness up hotkey not working]

2008-11-16T08:55:03Z

On Sun, Nov 16, 2008 at 10:50, Thomas Adam <thomas.adam22@...> wrote:

>
> 2008/11/16 Michael Meese <pelennor@...>:
> > An additional hint:
> > If I do "sudo modprobe tinkpad_acpi", I get this message:
> >
> > FATAL: Error inserting thinkpad_acpi
> > (/lib/modules/2.6.27-7-generic/kernel/drivers/misc/thinkpad_acpi.ko): No
> > such device
>
> You have an SL500 -- hard luck. That's not a strict Thinkpad. No
> tp-smapi, HDAPS, etc. It's more like an IDEAPad, IIRC.
>
> -- Thomas Adam

See here:
http://mailman.linux-thinkpad.org/pipermail/linux-thinkpad/2008-October/044992.html

Looks like we will have to stick with the standard(RTX) series of
Thinkpads, hopefully they wont bork up that FW too.

--
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Re: battery drain while asleep?

2008-11-16T08:52:51Z

On dim, 2008-11-16 at 10:25 +0100, Tino Keitel wrote:

> On Thu, Nov 13, 2008 at 22:01:20 +0100, Yves-Alexis Perez wrote:
>
> [...]
>
> > So 52430 → 42890, that means 10W just while asleep. I find that way to
> > much, but I'm not sure how this could be fixed.
>
> Was wired network connected while the sleep period? If yes, could it be
> that wake on LAN was enabled, and the link is Gigabit Ethernet? I don't
> know if this really matters, it's just a guess. I read that a gigabit
> link eats a lot of power.

Not connected. It was in my bag with nothing alive.
>
> You could also check if other devices had wakeup enabled:
>
> $ find /sys -name "wakeup" |xargs grep "enabled"

corsac@hidalgo: find /sys -name "wakeup" |xargs grep "enabled"
/sys/devices/pci0000:00/0000:00:1a.0/usb1/power/wakeup:enabled
/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-2/power/wakeup:enabled
/sys/devices/pci0000:00/0000:00:1a.1/usb3/power/wakeup:enabled
/sys/devices/pci0000:00/0000:00:1a.7/usb2/power/wakeup:enabled
/sys/devices/pci0000:00/0000:00:1d.0/usb5/power/wakeup:enabled
/sys/devices/pci0000:00/0000:00:1d.1/usb6/power/wakeup:enabled
/sys/devices/pci0000:00/0000:00:1d.2/usb7/power/wakeup:enabled
/sys/devices/pci0000:00/0000:00:1d.7/usb4/power/wakeup:enabled
/sys/devices/pnp0/00:07/power/wakeup:enabled

Cheers,
--
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Re: ThinkPad SL500 brightness up hotkey not working]

2008-11-16T07:50:54Z

2008/11/16 Michael Meese <pelennor@...>:
> An additional hint:
> If I do "sudo modprobe tinkpad_acpi", I get this message:
>
> FATAL: Error inserting thinkpad_acpi
> (/lib/modules/2.6.27-7-generic/kernel/drivers/misc/thinkpad_acpi.ko): No
> such device

You have an SL500 -- hard luck. That's not a strict Thinkpad. No
tp-smapi, HDAPS, etc. It's more like an IDEAPad, IIRC.

-- Thomas Adam
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