[uClinux-dev] toolchain and uCilnux

2007-06-18 Thread Daniel Alomar

Hi,

Is the 2.95.3 toolchain compatible with the linux-2.4.x kernel from the 
latest Clinux distribution (20070130)?


I'm trying to compile my custom board and I have some weird errors

Regards,

--
Daniel Alomar i Claramonte
Research  Development Electronic Dept.
SERRA SOLDADURA, S.A.
WEB Site: http://www.serrasold.com
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Re: [uClinux-dev] sigmadesigns

2007-06-18 Thread David T. L. Wong
On Mon, 2007-06-18 at 14:37 +0800, Rogelio Serrano wrote:
 On 6/18/07, David T. L. Wong [EMAIL PROTECTED] wrote
  don't know anything about it. I told them they have to allow end user
  run their code on the product if Linux adopt GPLv3. They response that I
  shouldn't grand user the right of running their own code. They even
  claim that if Linux adopt GPLv3, it may not be a good license and they
  may consider drops Linux support...
  Well...
 
 
 Relax, thats not going to happen. Linus dont want gpl v3 for the kernel.
 
 I dont want to buy boxes like the Tivo though.
 

So far it is. But how about Samba  NTFS-3g? Any component we used in
our product changes to GPLv3 would give us a headache.

Sigma Designs 863X platform requires the kernel image to be signed so
that the bootloader boots it. I foresee this conflict of GPLv3 and
signed kernel. I think I could not disclose the key for signing a kernel
to end users so that they can build their kernel. I may need to build a
signed 2nd stage bootloader to boot unsigned kernel image. It will slow
down the boot process in turn.

I also afraid that I breaks the license agreement with Sigma Designs and
 with Microsoft, for WMV DRM, if I let users run their own kernel on the
 product.


David



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Re: [uClinux-dev] sigmadesigns

2007-06-18 Thread Rogelio Serrano

On 6/18/07, David T. L. Wong [EMAIL PROTECTED] wrote:



 Relax, thats not going to happen. Linus dont want gpl v3 for the kernel.

 I dont want to buy boxes like the Tivo though.


So far it is. But how about Samba  NTFS-3g? Any component we used in
our product changes to GPLv3 would give us a headache.


Ouch!!! Maybe you need to look for an alternative.



Sigma Designs 863X platform requires the kernel image to be signed so
that the bootloader boots it. I foresee this conflict of GPLv3 and
signed kernel. I think I could not disclose the key for signing a kernel
to end users so that they can build their kernel. I may need to build a
signed 2nd stage bootloader to boot unsigned kernel image. It will slow
down the boot process in turn.



They can still get you for that though. I dont think you need to do
two stage booting. As long as you have the kernel source available
somewhere in a form that anybody verify using signatures. All patches
will have to go through you though. And users cant help you with the
closed source code.


I also afraid that I breaks the license agreement with Sigma Designs and
 with Microsoft, for WMV DRM, if I let users run their own kernel on the
 product.



between an unstoppable object and immovable rock...

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Re: [uClinux-dev] sigmadesigns

2007-06-18 Thread Roy Moshkovitz

Dear David,

*I am a developer on Sigma Designs SMP8634 platform. Technically
speaking, it doesn't run uCLinux as it has MMU. It runs a main line
kernel with Sigma Designs' patch.*
do you mean that it will be impossible for me to run uCLinux without
sigmadesigns SDK?
or can i use buildroot or OpenEmbedded to compile?



On 6/18/07, David T. L. Wong [EMAIL PROTECTED] wrote:


On Mon, 2007-06-18 at 14:37 +0800, Rogelio Serrano wrote:
 On 6/18/07, David T. L. Wong [EMAIL PROTECTED] wrote
  don't know anything about it. I told them they have to allow end user
  run their code on the product if Linux adopt GPLv3. They response that
I
  shouldn't grand user the right of running their own code. They even
  claim that if Linux adopt GPLv3, it may not be a good license and they
  may consider drops Linux support...
  Well...
 

 Relax, thats not going to happen. Linus dont want gpl v3 for the kernel.

 I dont want to buy boxes like the Tivo though.


So far it is. But how about Samba  NTFS-3g? Any component we used in
our product changes to GPLv3 would give us a headache.

Sigma Designs 863X platform requires the kernel image to be signed so
that the bootloader boots it. I foresee this conflict of GPLv3 and
signed kernel. I think I could not disclose the key for signing a kernel
to end users so that they can build their kernel. I may need to build a
signed 2nd stage bootloader to boot unsigned kernel image. It will slow
down the boot process in turn.

I also afraid that I breaks the license agreement with Sigma Designs and
with Microsoft, for WMV DRM, if I let users run their own kernel on the
product.


David



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Re: [uClinux-dev] sigmadesigns

2007-06-18 Thread Rogelio Serrano

On 6/18/07, Roy Moshkovitz [EMAIL PROTECTED] wrote:

Dear David,

I am a developer on Sigma Designs SMP8634 platform. Technically
speaking, it doesn't run uCLinux as it has MMU. It runs a main line
kernel with Sigma Designs' patch.
 do you mean that it will be impossible for me to run uCLinux without
sigmadesigns SDK?
or can i use buildroot or OpenEmbedded to compile?



you cant boot. you dont have the encryption key for the kernel.

is the system firmware tamper proof? i think i have an STM around here
somewhere...





On 6/18/07, David T. L. Wong [EMAIL PROTECTED] wrote:
 On Mon, 2007-06-18 at 14:37 +0800, Rogelio Serrano wrote:
  On 6/18/07, David T. L. Wong  [EMAIL PROTECTED] wrote
   don't know anything about it. I told them they have to allow end user
   run their code on the product if Linux adopt GPLv3. They response that
I
   shouldn't grand user the right of running their own code. They even
   claim that if Linux adopt GPLv3, it may not be a good license and they
   may consider drops Linux support...
   Well...
  
 
  Relax, thats not going to happen. Linus dont want gpl v3 for the kernel.
 
  I dont want to buy boxes like the Tivo though.
 

 So far it is. But how about Samba  NTFS-3g? Any component we used in
 our product changes to GPLv3 would give us a headache.

 Sigma Designs 863X platform requires the kernel image to be signed so
 that the bootloader boots it. I foresee this conflict of GPLv3 and
 signed kernel. I think I could not disclose the key for signing a kernel
 to end users so that they can build their kernel. I may need to build a
 signed 2nd stage bootloader to boot unsigned kernel image. It will slow
 down the boot process in turn.

 I also afraid that I breaks the license agreement with Sigma Designs and
 with Microsoft, for WMV DRM, if I let users run their own kernel on the
 product.


 David



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Re: [uClinux-dev] sigmadesigns

2007-06-18 Thread David T. L. Wong
Hi Roy,

  I think so. SMP863X is an highly integrated System on Chip. You need
their kernel patch for IDE driver,PCI driver,Serial port driver, Flash
interface driver, Network interface driver and USB driver.
  All SMP863X set-top box vendors are suppose to release the kernel
source with this patch according to GPLv2.
  Despite the kernel patch, you can have your own cross tool to build
any software on it. Sigma Designs SDK is base on buildroot, and I did
successfully build opens source software on it using OpenEmbedded, base
on WRT54 branch.
  However, any video related operation really need their closed source
SDK.

David

On Mon, 2007-06-18 at 10:23 +0300, Roy Moshkovitz wrote:
 Dear David,
  
 I am a developer on Sigma Designs SMP8634 platform. Technically
 speaking, it doesn't run uCLinux as it has MMU. It runs a main line
 kernel with Sigma Designs' patch.
 do you mean that it will be impossible for me to run uCLinux without
 sigmadesigns SDK?
 or can i use buildroot or OpenEmbedded to compile?
 
 
  
 On 6/18/07, David T. L. Wong [EMAIL PROTECTED] wrote: 
 On Mon, 2007-06-18 at 14:37 +0800, Rogelio Serrano wrote:
  On 6/18/07, David T. L. Wong [EMAIL PROTECTED]
 wrote
   don't know anything about it. I told them they have to
 allow end user
   run their code on the product if Linux adopt GPLv3. They
 response that I
   shouldn't grand user the right of running their own code.
 They even 
   claim that if Linux adopt GPLv3, it may not be a good
 license and they
   may consider drops Linux support...
   Well...
  
 
  Relax, thats not going to happen. Linus dont want gpl v3 for
 the kernel. 
 
  I dont want to buy boxes like the Tivo though.
 
 
 So far it is. But how about Samba  NTFS-3g? Any component we
 used in
 our product changes to GPLv3 would give us a headache.
 
 Sigma Designs 863X platform requires the kernel image to be
 signed so 
 that the bootloader boots it. I foresee this conflict of GPLv3
 and
 signed kernel. I think I could not disclose the key for
 signing a kernel
 to end users so that they can build their kernel. I may need
 to build a 
 signed 2nd stage bootloader to boot unsigned kernel image. It
 will slow
 down the boot process in turn.
 
 I also afraid that I breaks the license agreement with Sigma
 Designs and
 with Microsoft, for WMV DRM, if I let users run their own
 kernel on the 
 product.
 
 
 David
 
 
 
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Tel: (852) 2655 6789

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Re: [uClinux-dev] sigmadesigns

2007-06-18 Thread Jamie Lokier
David T. L. Wong wrote:
 So far it is. But how about Samba  NTFS-3g? Any component we used in
 our product changes to GPLv3 would give us a headache.

Not a problem, surely?  You are already distributing the source for
your version of Samba etc., right?

How does them changing to GPLv3 change anything?  You just continue to
distribute your source.

Or do you sign and encrypt your Samba etc. binaries as well, to make
sure replacing them can't be used to hack the platform's DRM?

 Sigma Designs 863X platform requires the kernel image to be signed so
 that the bootloader boots it. I foresee this conflict of GPLv3 and
 signed kernel. I think I could not disclose the key for signing a kernel
 to end users so that they can build their kernel. I may need to build a
 signed 2nd stage bootloader to boot unsigned kernel image. It will slow
 down the boot process in turn.

I think if you provide enough for users to replace the whole boot
loader, as well as kernel, it may be fine.  Then you won't need a 2nd
stage bootloader for unsigned kernels.

 I also afraid that I breaks the license agreement with Sigma Designs and
 with Microsoft, for WMV DRM, if I let users run their own kernel on the
 product.

You don't have to let people run the WMV DRM software.  That's not GPL
licensed - you don't need to share the source for that.  (It would be
nice, but I know Sigma don't allow it).

On my Sigma Designs kit here (8622, ARM based, no MMU), the video
playing is not compiled into the kernel, and it's not licensed under
the GPL or any other open source license.  Only the kernel and
compiled in drivers (like IDE) are covered by the GPL.

If your video playing program is encrypted, then you can put the
decryption key in your signed encrypted kernel which is loaded by the
normal boot loader, which only boots signed encrypted kernels.

Then you can distribute the source to the kernel + Sigma's patch, plus
a boot loader that will boot unsigned, unencrypted kernels.

Users can then replace the kernel (and loader) with their own,
compiled from source.  They won't be able to play WMV DRM - because
that requires a program they don't have - and so I don't see it
breaking a license agreement with Microsoft.

So can't you just distribute the kernel source + Sigma patch, plus a
version of the boot loader which doesn't check the kernel signature
and won't decrypt your kernels?  Plus, if you want to be nice, a
version of the video playing program (binary) with only some features
working.

I guess Sigma might be thinking about this, as they have Windows CE
running on some of their kit.  It would be a shame if they dropped
Linux, as I am using uClinux on a Sigma chip and finding it very
useful (modifying the kernel code every day lately), in a way that
Windows CE wouldn't be.

-- Jamie
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Re: [uClinux-dev] sigmadesigns

2007-06-18 Thread Jamie Lokier
David T. L. Wong wrote:
   I think so. SMP863X is an highly integrated System on Chip. You need
 their kernel patch for IDE driver,PCI driver,Serial port driver, Flash
 interface driver, Network interface driver and USB driver.
   All SMP863X set-top box vendors are suppose to release the kernel
 source with this patch according to GPLv2.

Do you know any vendors who are releasing that source?

From time to time I hear that none of them do.  If true, that's a
shame as there are quite a few vendors.  If false, I would be
interested to learn which ones, and how to get that source.

The ARM version (EM862x chips) has this in the SDK:

 This is the Sigma Designs ARM utilities: everything you need to
 run uClinux on the EM86xx family of chips.

 The ARM utilities package (to the exception of the 'peripherals'
 folder) is released under the terms of the GNU General Public
 License (the GPL); see the file COPYING for more information
 about the GPL.

 Please note that the MRUA packages are not released under the
 terms of the GPL, but are rather proprietary to Sigma Designs and
 are released under the term of the contract that binds you to
 Sigma Designs.

The 'peripherals' folder contains some insignificant things.  The
important parts of the kernel patch are outside it.  MRUA contains the
video code.

I don't have a contract with Sigma, and I don't have access to the
SDK.  (In time that may change, but Sigma doesn't seem to bother
replying to customers who use 'only' 1 chips...)  I just use
binary programs supplied by my upstream vendor, who does have a
contract with Sigma for the SDK.  (There's no DRM; this isn't a
set-top box, so DRM licensing doesn't come into it).

However I have this kernel package because my upstream vendor
recognises the GPL, and they told me (but not in writing...) that
Sigma confirmed it is ok to distribute the GPL parts.

That source is not usable on the SMP863x, in case anyone's wondering.
It's 862x (ARM) only.  You need to get that source from whoever
supplied the set-top box - and you have the right to demand it.  If
they don't, consider asking the FSF to pressure them (the set-top box
supplier, not Sigma) to comply with the GPL.

Still, even with that source, and even if you get it to boot despite
the code signing, as David says you won't be able to do much with
video, except with a lot of reverse engineering.  Even displaying a
static picture will be difficult.  That's handled by proprietary code
which runs as a program on top of the kernel.

-- Jamie
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Re: [uClinux-dev] Page Allocation Failure

2007-06-18 Thread Erwin Authried
It's quite obvious that you ran out of memory. The kernel cannot
allocate a 993906 bytes if the largest available block is only 512kB.

Regards,
Erwin

Am Montag, den 18.06.2007, 10:10 -0300 schrieb Marcelo Ortega:
 Hi,
 
   I´m new to uClinux, and I´m working on a project based around NXP´s 
 2468 microcontroller, and we are using the Embedded Artists OEM board as a 
 development board.
   We´ve compiled some of our software for it, and we´ve got the errors 
 listed below.
   We´ve noticed that if we compile a small working file, and include a 
 big const matrix, we generate this. If the const is reduced, it works fine.
   I´ve found similar reports in other forums, related to other boards, 
 and I´ve tried everything but could not solve it.
 
   Does anybody have a clue?
 
   Thanks,
 
   Marcelo
 
 
 
 
 exemplo_ctf_sta: page allocation failure. order:8, mode:0xd0
 Allocation of length 993906 from process 155 failed
 DMA per-cpu: empty
 Normal per-cpu:
 cpu 0 hot: low 4, high 12, batch 2
 cpu 0 cold: low 0, high 4, batch 2
 HighMem per-cpu: empty
 
 Free pages:1248kB (0kB HighMem)
 Active:459 inactive:6541 dirty:0 writeback:0 unstable:0 free:312 slab:366 
 mapped
 :0 pagetables:0
 DMA free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB
 Normal free:1248kB min:180kB low:360kB high:540kB active:1836kB 
 inactive:26164kB
  present:32768kB
 HighMem free:0kB min:128kB low:256kB high:384kB active:0kB inactive:0kB 
 present:
 0kB
 DMA: empty
 Normal: 0*4kB 2*8kB 3*16kB 3*32kB 5*64kB 0*128kB 1*256kB 1*512kB 0*1024kB 
 0*2048
 kB 0*4096kB = 1248kB
 HighMem: empty
 Unable to allocate RAM for process text/data, errno 12
 SIGSEGV
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RES: [uClinux-dev] Page Allocation Failure

2007-06-18 Thread Marcelo Ortega
It should have more than this. The board have 32Mb, and at this time, 
this was the only app running, and it has no allocmem stuff. The only thing on 
the memory was a big const.
Do you think it could be due to some configuration ? What about the  
inactive 26164kB. Is it possible this memory is reserved by the system

Thanks,

Marcelo

-Mensagem original-
De: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Em nome de Erwin Authried
Enviada em: segunda-feira, 18 de junho de 2007 10:56
Para: uClinux development list
Assunto: Re: [uClinux-dev] Page Allocation Failure

It's quite obvious that you ran out of memory. The kernel cannot
allocate a 993906 bytes if the largest available block is only 512kB.

Regards,
Erwin

Am Montag, den 18.06.2007, 10:10 -0300 schrieb Marcelo Ortega:
 Hi,
 
   I´m new to uClinux, and I´m working on a project based around NXP´s 
 2468 microcontroller, and we are using the Embedded Artists OEM board as a 
 development board.
   We´ve compiled some of our software for it, and we´ve got the errors 
 listed below.
   We´ve noticed that if we compile a small working file, and include a 
 big const matrix, we generate this. If the const is reduced, it works fine.
   I´ve found similar reports in other forums, related to other boards, 
 and I´ve tried everything but could not solve it.
 
   Does anybody have a clue?
 
   Thanks,
 
   Marcelo
 
 
 
 
 exemplo_ctf_sta: page allocation failure. order:8, mode:0xd0
 Allocation of length 993906 from process 155 failed
 DMA per-cpu: empty
 Normal per-cpu:
 cpu 0 hot: low 4, high 12, batch 2
 cpu 0 cold: low 0, high 4, batch 2
 HighMem per-cpu: empty
 
 Free pages:1248kB (0kB HighMem)
 Active:459 inactive:6541 dirty:0 writeback:0 unstable:0 free:312 slab:366 
 mapped
 :0 pagetables:0
 DMA free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB
 Normal free:1248kB min:180kB low:360kB high:540kB active:1836kB 
 inactive:26164kB
  present:32768kB
 HighMem free:0kB min:128kB low:256kB high:384kB active:0kB inactive:0kB 
 present:
 0kB
 DMA: empty
 Normal: 0*4kB 2*8kB 3*16kB 3*32kB 5*64kB 0*128kB 1*256kB 1*512kB 0*1024kB 
 0*2048
 kB 0*4096kB = 1248kB
 HighMem: empty
 Unable to allocate RAM for process text/data, errno 12
 SIGSEGV
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Re: [uClinux-dev] toolchain and uCilnux

2007-06-18 Thread Greg Ungerer

Hi Daniel,

Daniel Alomar wrote:
Is the 2.95.3 toolchain compatible with the linux-2.4.x kernel from the 
latest Clinux distribution (20070130)?


It should work. But I use a newer gcc-3.4.4 based tool chain
for non-mmu ARM now (both 2.4 and 2.6 kernels).



I'm trying to compile my custom board and I have some weird errors


What are the errors?

Regards
Greg




Greg Ungerer  --  Chief Software Dude   EMAIL: [EMAIL PROTECTED]
Secure Computing CorporationPHONE:   +61 7 3435 2888
825 Stanley St, FAX: +61 7 3891 3630
Woolloongabba, QLD, 4102, Australia WEB: http://www.SnapGear.com
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Re: [uClinux-dev] toolchain and uCilnux

2007-06-18 Thread Daniel Alomar

Hi Greg,

Nothing concerning the board. Only about Samba and the ldl library:

Compiling passdb/login_cache.c with
Compiling passdb/pdb_smbpasswd.c with
Compiling passdb/pdb_tdb.c with
Compiling passdb/pdb_guest.c with
Compiling passdb/pdb_sql.c with
Compiling lib/system_smbd.c with
mkdir groupdb
Compiling groupdb/mapping.c with
Compiling passdb/secrets.c with
../passdb/secrets.c: In function `secrets_get_trusted_domains':
../passdb/secrets.c:618: warning: implicit declaration of function `strndup'
../passdb/secrets.c:618: warning: assignment makes pointer from integer 
without a cast

Compiling passdb/machine_sid.c with
Linking libsmbclient non-shared library bin/libsmbclient.a
Linking bin/smbd
/usr/local/m68k-elf/bin/ld.real: cannot find -ldl
collect2: ld returned 1 exit status
make[5]: *** [bin/smbd] Error 1
make[5]: Leaving directory `/uClinux/uClinux-dist/user/samba/source/build'
make[4]: *** [all] Error 2
make[4]: Leaving directory `/uClinux/uClinux-dist/user/samba/source'
make[3]: *** [all] Error 2
make[3]: Leaving directory `/uClinux/uClinux-dist/user/samba'
make[2]: *** [samba] Error 2
make[2]: Leaving directory `/uClinux/uClinux-dist/user'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/uClinux/uClinux-dist/user'
make: *** [subdirs] Error 1

Regards,

Daniel Alomar



En/na Greg Ungerer ha escrit:

Hi Daniel,

Daniel Alomar wrote:
Is the 2.95.3 toolchain compatible with the linux-2.4.x kernel from 
the latest Clinux distribution (20070130)?


It should work. But I use a newer gcc-3.4.4 based tool chain
for non-mmu ARM now (both 2.4 and 2.6 kernels).



I'm trying to compile my custom board and I have some weird errors


What are the errors?

Regards
Greg




Greg Ungerer  --  Chief Software Dude   EMAIL: [EMAIL PROTECTED]
Secure Computing CorporationPHONE:   +61 7 3435 2888
825 Stanley St, FAX: +61 7 3891 3630
Woolloongabba, QLD, 4102, Australia WEB: http://www.SnapGear.com
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--
Daniel Alomar i Claramonte
Research  Development Electronic Dept.
SERRA SOLDADURA, S.A.
WEB Site: http://www.serrasold.com
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[uClinux-dev] using pppd in Snapgear

2007-06-18 Thread L M
Dear All,
I am using Snapgear and I want to connect my pc to this embeded linux(Snapgear) 
 using PPP protocol, I can connect my computer through a PPP dialing, But I 
don't know what is the true commands (for example pppd and its options) to 
connect in Snapgear Side, Could anyone help me about?

Regards,

 
-
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