best acpi solution

best acpi solution

[sjb]

Hi all,

I have a Sony Vaio U1 that, until yesterday, was running a Linux distro 
with functional ACPI. Sadly, the kernel I was using was compiled by 
somebody else, so I have very little idea what he actually did to make 
it. Details ..

http://www.ottaky.com/vaiou1.php

I've just upgraded to SuSE 8.2 (kernel 2.4.20) and the ACPI is broken - 
it's "partially" installed. All the hardware works (AFAIK), but there's 
no power management information available through /proc/acpi.

So .. I'm wondering what the best (easiset) way to get ACPI working is.

Can I download the 2.4.20 kernel source, apply the 2.4.20 acpi patch 
from sourceforge and cross my fingers?

Or use the DSDT in intird patch?

If there's a walk through somewhere on the interweb for ACPI kernel 
compiling newbies, a pointer to it would be great ;-)

Many thanks

sjb








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Re: best acpi solution

[Derek Broughton]

From: "sjb" <ottaky-XuTx12Z7TonQT0dZR+AlfA@public.gmane.org>
>
> I have a Sony Vaio U1 that, until yesterday, was running a Linux distro
> with functional ACPI. Sadly, the kernel I was using was compiled by
> somebody else, so I have very little idea what he actually did to make
> it. Details ..
>
> http://www.ottaky.com/vaiou1.php
>
> I've just upgraded to SuSE 8.2 (kernel 2.4.20) and the ACPI is broken -
> it's "partially" installed. All the hardware works (AFAIK), but there's
> no power management information available through /proc/acpi.
>
> So .. I'm wondering what the best (easiset) way to get ACPI working is.

The _easiest_ would almost certainly be to continue using the kernel you already
had...



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Re: best acpi solution

[sjb]

Derek Broughton wrote:

> The _easiest_ would almost certainly be to continue using the kernel you already
> had...

*8-)

Fair point.

OK, the easiest way assuming that I want to build my own kernel from 
scratch.

sjb



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Re: best acpi solution

[Derek Broughton]

From: "sjb" <ottaky-XuTx12Z7TonQT0dZR+AlfA@public.gmane.org>

> Derek Broughton wrote:
>
> > The _easiest_ would almost certainly be to continue using the kernel you
already
> > had...
>
> *8-)
>
> Fair point.
>
> OK, the easiest way assuming that I want to build my own kernel from
> scratch.

It wasn't apparent that you needed/wanted to do that. Just because you're using
an upgraded SUSE doesn't mean you have to use the same version of the kernel.

If you have to recompile, I'd apply the acpi patch to the current kernel source
(NOT 2.4.20 - iirc, it's 2.4.21) and copy the config file that corresponds to
your working kernel image (it's in the same directory as your kernel - usually
in /boot/config*) to the .config file in the kernel source directory. Then
compile...

The "DSDT in initrd" patch can't do anything for you - it's for fixing DSDTs,
and yours apparently doesn't need fixing.

derek



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Re: best acpi solution

[sjb]

Derek Broughton wrote:

> It wasn't apparent that you needed/wanted to do that.

Sorry - it was unclear.

> If you have to recompile, I'd apply the acpi patch to the current kernel source
> (NOT 2.4.20 - iirc, it's 2.4.21) and copy the config file that corresponds to
> your working kernel image (it's in the same directory as your kernel - usually
> in /boot/config*)

I've asked the guy who made the working to send me the config .. if he 
still has it.

> The "DSDT in initrd" patch can't do anything for you - it's for fixing DSDTs,
> and yours apparently doesn't need fixing.

My DSDT does contain errors and, thanks to others on here, I should now 
have a fixed version - although, as I say, it was working previously so 
the faults are presumably minor or at least not major.

sjb



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Re: best acpi solution

[Ducrot Bruno]

On Wed, May 21, 2003 at 02:19:11PM +0000, sjb wrote:
> Derek Broughton wrote:
> 
> >The _easiest_ would almost certainly be to continue using the kernel you 
> >already
> >had...
> 
> *8-)
> 
> Fair point.
> 
> OK, the easiest way assuming that I want to build my own kernel from 
> scratch.
> 

Go get latest ac tree, perhaps.

-- 
Ducrot Bruno

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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Re: best acpi solution

[sjb]

Ducrot Bruno wrote:

> Go get latest ac tree, perhaps.

So .. apply the patches from here

http://www.kernel.org/pub/linux/kernel/people/alan/linux-2.5/2.5.69/

to the kernel source from here

http://www.kernel.org/pub/linux/kernel/v2.5/patch-2.5.69.bz2

Soory, I'm sure it's obvious to you guys - but I've never had ti build a 
kernel before. It's a learning process.

sjb



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Re: best acpi solution

[Ducrot Bruno]

On Wed, May 21, 2003 at 03:31:04PM +0000, sjb wrote:
> Ducrot Bruno wrote:
> 
> >Go get latest ac tree, perhaps.
> 
> So .. apply the patches from here
> 
> http://www.kernel.org/pub/linux/kernel/people/alan/linux-2.5/2.5.69/
> 
> to the kernel source from here
> 

I meant the latest 2.4 ac tree (not 2.5) because tt has
recent acpi and cpufreq (for longrun) and therefore no need
to apply 2 patches.

-- 
Ducrot Bruno

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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Re: best acpi solution

[sjb]

Ducrot Bruno wrote:

> I meant the latest 2.4 ac tree (not 2.5) because tt has
> recent acpi and cpufreq (for longrun) and therefore no need
> to apply 2 patches.

Another dumb question .. where would I find that?

Is it a question of running these patahces

http://www.kernel.org/pub/linux/kernel/people/alan/linux-2.4/2.4.21/patch-2.4.21-rc2-ac2.gz

against the corresponding 2.4.21 kernel?

sjb



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Re: best acpi solution

[Ducrot Bruno]

On Wed, May 21, 2003 at 04:21:11PM +0000, sjb wrote:
> Ducrot Bruno wrote:
> 
> >I meant the latest 2.4 ac tree (not 2.5) because tt has
> >recent acpi and cpufreq (for longrun) and therefore no need
> >to apply 2 patches.
> 
> Another dumb question .. where would I find that?
> 
> Is it a question of running these patahces
> 
> http://www.kernel.org/pub/linux/kernel/people/alan/linux-2.4/2.4.21/patch-2.4.21-rc2-ac2.gz
> 
> against the corresponding 2.4.21 kernel?

yes and no.  2.4.21 is not out AFAIK.


Grab (well, I prefer ftp):

ftp://ftp.kernel.org/pub/linux/kernel/v2.4/linux-2.4.20.tar.bz2
ftp://ftp.kernel.org/pub/linux/kernel/v2.4/testing/patch-2.4.21-rc2.bz2
ftp://ftp.kernel.org/pub/linux/kernel/people/alan/linux-2.4/2.4.21/patch-2.4.21-rc2-ac2.bz2

Then, for example in your home directory:

tar xjvfp linux-2.4.20.tar.bz2
or tar xIvfp linux-2.4.20.tar.bz2 since the j vs I option is alas dependant of
the distribution.  You may want if that do not work to
bzip2 linux-2.4.20.tar.bz2 | tar xvfp -
instead.

Then you will have a newly linux-2.4.20 directory.
First, move it so that it correspond to the wanted version:
cp linux-2.4.20 linux-2.4.21-rc2-ac2

then go to this directory, then do something like that (in order):
bzip2 /path/to/patch-2.4.21-rc2.bz2 | patch -p1
bzip2 /patth/to/patch-2.4.21-rc2-ac2.bz2 | patch -p1

(you may also want to
bzip2 /path/to/thispatch.diff.bz2 | patch -p1 2>&1 | tee ../patch.log
if you want to check in the file ../patch.log if all is OK (but
the patch-2.4.21-rc2.bz2 and the ac2 corresponding are always
clean anyway).


-- 
Ducrot Bruno

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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Re: best acpi solution

[sjb]

Ducrot Bruno wrote:

> Then, for example in your home directory:
> 
> tar xjvfp linux-2.4.20.tar.bz2

Ok .. lovely. Thanks for the help.

Is there anything I need to make sure to select when I run xconfig? I 
presume I choose ACPI to be compiled statically?

Another dumb question: can I simply use the previous kernel where acpi 
was working? That is .. I have the actual kernel. Can I drop that into 
/boot, make a change to grub's conf file and use the old kernel?

sjb





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Re: best acpi solution

[Derek Broughton]

From: "sjb" <ottaky-XuTx12Z7TonQT0dZR+AlfA@public.gmane.org>
> Ducrot Bruno wrote:
>
> > Then, for example in your home directory:
> >
> > tar xjvfp linux-2.4.20.tar.bz2
>
> Ok .. lovely. Thanks for the help.
>
> Is there anything I need to make sure to select when I run xconfig? I
> presume I choose ACPI to be compiled statically?

Difficult to tell, which is why I suggested starting with the config file from
your working kernel.

> Another dumb question: can I simply use the previous kernel where acpi
> was working? That is .. I have the actual kernel. Can I drop that into
> /boot, make a change to grub's conf file and use the old kernel?

Well, that _is_ what I suggested in the first place ;-)

(btw, please don't reply to me _and_ the list.  I'm obviously reading the list
already...)

derek



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Re: best acpi solution

[sjb]

Thanks to everyone who helped out with my question from yestrday.

Following the suggestions, I'm trying to build a new kernel based on 
Alan Cox's patches to 2.4.21-rc2

Everything goes fine until I try to make the modules, when I get the 
attached error.

I know this isn't striclty an ACPI question, but I guess many of you 
have been down this route before so I thought I'd ask here in case 
somebody had seen this before.

My gcc version is

linux:/usr/src/linux # gcc -v
Reading specs from /usr/lib/gcc-lib/i486-suse-linux/3.3/specs
Configured with: ../configure --enable-threads=posix --prefix=/usr 
--with-local-prefix=/usr/local --infodir=/usr/share/info 
--mandir=/usr/share/man --libdir=/usr/lib 
--enable-languages=c,c++,f77,objc,java,ada --disable-checking 
--enable-libgcj --with-gxx-include-dir=/usr/include/g++ 
--with-slibdir=/lib --with-system-zlib --enable-shared 
--enable-__cxa_atexit i486-suse-linux
Thread model: posix
gcc version 3.3 20030226 (prerelease) (SuSE Linux)

Any help gratefully received since I'm now almost there ;-)

sjb



make -C atm modules
make[2]: Entering directory `/usr/src/linux-2.4.21-rc2-ac2/drivers/atm'
gcc -D__KERNEL__ -I/usr/src/linux-2.4.21-rc2-ac2/include -Wall 
-Wstrict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing -fno-common 
-fomit-frame-pointer -pipe -mpreferred-stack-boundary=2 -march=i686 
-malign-functions=0 -malign-jumps=0 -malign-loops=0 -DMODULE 
-DMODVERSIONS -include 
/usr/src/linux-2.4.21-rc2-ac2/include/linux/modversions.h -g -nostdinc 
-iwithprefix include -DKBUILD_BASENAME=ambassador  -c -o ambassador.o 
ambassador.c
cc1: warning: -malign-loops is obsolete, use -falign-loops
cc1: warning: -malign-jumps is obsolete, use -falign-jumps
cc1: warning: -malign-functions is obsolete, use -falign-functions
In file included from 
/usr/src/linux-2.4.21-rc2-ac2/include/linux/atmdev.h:212,
                  from ambassador.c:31:
/usr/src/linux-2.4.21-rc2-ac2/include/linux/skbuff.h: In function 
`__pskb_pull':
/usr/src/linux-2.4.21-rc2-ac2/include/linux/skbuff.h:855: warning: 
comparison between signed and unsigned
/usr/src/linux-2.4.21-rc2-ac2/include/linux/skbuff.h: In function 
`pskb_may_pull':
/usr/src/linux-2.4.21-rc2-ac2/include/linux/skbuff.h:871: warning: 
comparison between signed and unsigned
In file included from ambassador.c:31:
/usr/src/linux-2.4.21-rc2-ac2/include/linux/atmdev.h: In function 
`atm_may_send':
/usr/src/linux-2.4.21-rc2-ac2/include/linux/atmdev.h:450: warning: 
comparison between signed and unsigned
ambassador.c:301:21: pasting "." and "start" does not give a valid 
preprocessing token
ambassador.c:305:23: pasting "." and "regions" does not give a valid 
preprocessing token
ambassador.c:310:20: pasting "." and "data" does not give a valid 
preprocessing token
ambassador.c: At top level:
/usr/src/linux-2.4.21-rc2-ac2/include/linux/module.h:299: warning: 
`__module_kernel_version' defined but not used
/usr/src/linux-2.4.21-rc2-ac2/include/linux/module.h:302: warning: 
`__module_using_checksums' defined but not used
ambassador.c:2588: warning: `__module_license' defined but not used
make[2]: *** [ambassador.o] Error 1
make[2]: Leaving directory `/usr/src/linux-2.4.21-rc2-ac2/drivers/atm'
make[1]: *** [_modsubdir_atm] Error 2
make[1]: Leaving directory `/usr/src/linux-2.4.21-rc2-ac2/drivers'
make: *** [_mod_drivers] Error 2



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Re: best acpi solution

[Matthew Wilcox]

On Thu, May 22, 2003 at 02:03:56PM +0000, sjb wrote:
> My gcc version is
> 
> linux:/usr/src/linux # gcc -v
> gcc version 3.3 20030226 (prerelease) (SuSE Linux)

This is your real problem.  Try compiling with 2.95 if you can.
Otherwise you could just leave out that driver -- I'm sure you don't
have an ambassador ATM card.

-- 
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victory, it is about death.  I've seen thousands and thousands of dead bodies.
Do you think I want to have an academic debate on this subject?" -- Robert Fisk


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Re: best acpi solution

[sjb]

Matthew Wilcox wrote:
> On Thu, May 22, 2003 at 02:03:56PM +0000, sjb wrote:
> 
>>My gcc version is
>>
>>linux:/usr/src/linux # gcc -v
>>gcc version 3.3 20030226 (prerelease) (SuSE Linux)
> 
> 
> This is your real problem.  Try compiling with 2.95 if you can.
> Otherwise you could just leave out that driver -- I'm sure you don't
> have an ambassador ATM card.
> 

I just created a new config without ATM - after a quick google search i 
realised it was of no use to me anyway ;-)

Cheers,

sjb



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