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[ts-7000] Re: Rebuilding a kernel (using ubuntu 8.10 - switch to 8.04?)

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Subject: [ts-7000] Re: Rebuilding a kernel (using ubuntu 8.10 - switch to 8.04?)
From: "ts7300" <>
Date: Wed, 11 Feb 2009 08:50:59 -0000
I have doubt After compilation is VMLINUX.BIN is the final image file
we have to dump into SD CARD.
--- In  "ian_mccrum_mi5afl" <> wrote:
>
> I note you are using ubuntu 8.10, I have been compiling the kernel and
> complete ramdisk image for the the cirrus development EDB9307a board
> using ubuntu 8.04. When I rebuilt my laptop for Ubunutu 8.10 I have
> had many problems - including the PATH_MAX problem you had.
> 
> This error is easy to get around - either #include <limits.h> or just
> #define PATH_MAX with a number - I stuck in 4096 but you'd need to
> check that value... not sure if the filesystem on the flash has a
> limit hard coded.
> 
> The next bug I got on my system was that something was wrong with ar
> when archiving a zlib library.
> ...
> ar rc libz.a adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o
> trees.o zutil.o inflate.o infback.o inftrees.o inffast.o 
> ...
> ar: error while loading shared libraries: 
> libz.so.1: ELF file OS ABI invalid
> 
> At this stage I decided to switch back to ubuntu 8.04.
> 
> Perhaps you should as well?
> 
> I do realise the TS products may be different but thought my
> infomation might be of use to you - I read this group sporadically as
> I have TS7200 and TS7400 boards but am using the EDB99307a because of
> its builtin LCD interface. (http://arm.cirrus.com)
> 
> Regards
> Ian McCrum, lecturer, University of Ulster
> 
> __
> 
> 
> --- In  "Anouk Ahamitet" <snowcone27@> wrote:
> >
> > We asked Technologic for instructions when we wanted to change the
timer
> > resolution from 10ms to 1ms (by changing CONFIG_HZ from 100 to 1000 in
> > the kernel build settings).  I thought that others in this group would
> > be interested in the steps for rebuilding the kernel that we got from
> > Technologic:
> > 
> > In order to build a TS-7800 Kernel:
> > 
> > 1) Download the Kernel:
> > 
> >  
> >
>
<ftp://oz.embeddedarm.com/ts-arm-sbc/ts-7800-linux/sources/linux-2.6.21-\
> > ts-src-latest.tar.gz> 
> >
>
<ftp://oz.embeddedarm.com/ts-arm-sbc/ts-7800-linux/sources/linux-2.6.21-\
> > ts-src-latest.tar.gz%20> 
> >
>
<ftp://oz.embeddedarm.com/ts-arm-sbc/ts-7800-linux/sources/linux-2.6.21-\
> > ts-src-latest.tar.gz> 
> >
>
<ftp://oz.embeddedarm.com/ts-arm-sbc/ts-7800-linux/sources/linux-2.6.21-\
> > ts-sr>
> >
>
ftp://oz.embeddedarm.com/ts-arm-sbc/ts-7800-linux/sources/linux-2.6.21-t\
> > s-src-latest.tar.gz
> >
>
<ftp://oz.embeddedarm.com/ts-arm-sbc/ts-7800-linux/sources/linux-2.6.21-\
> > ts-src-latest.tar.gz>
> > 
> > 2) Download the Crosstool:
> > 
> >  
> >
>
<ftp://oz.embeddedarm.com/ts-arm-sbc/ts-7800-linux/cross-toolchains/ts78\
> > 00-crosstool-linux-gnueabi-2005q3-2.tar.gz> 
> >
>
<ftp://oz.embeddedarm.com/ts-arm-sbc/ts-7800-linux/cross-toolchains/ts78\
> > 00-cr>
> >
>
ftp://oz.embeddedarm.com/ts-arm-sbc/ts-7800-linux/cross-toolchains/ts780\
> > 0-crosstool-linux-gnueabi-2005q3-2.tar.gz 
> >
>
<ftp://oz.embeddedarm.com/ts-arm-sbc/ts-7800-linux/cross-toolchains/ts78\
> > 00-crosstool-linux-gnueabi-2005q3-2.tar.gz%20%20>
> > 
> > 3) Install/Extract both on a Linux X86 box
> > 
> > 4) Adjust the Makefile of the Kernel to use the right CROSSTOOL
> > 
> > 5) Compile the kernel:
> > 
> > # make ts7800_defconfig
> > # make
> > 
> > 6) The new kernel will show up at arch/arm/boot/Image
> > 
> > In order to ensure that I didn't have any extras to mess things up, I
> > installed a fresh, clean Ubuntu 8.10 system where I would perform the
> > steps above.  I made sure that it had all of the current updates.
 I did
> > all of the steps under my non-root account (I asked and was
assured that
> > despite the indication that root was running the make commands in the
> > instructions, I didn't need to be root to build their kernel).  In
> > between steps 4 and 5, I edited arch/arm/config/ts7800_defconfig and
> > arch/arm/config/ts7800full_defconfig to change CONFIG_HZ=100 to
> > CONFIG_HZ=1000 in both (since I wasn't positive which would be used).
> > 
> > The first make ran fine, with just a few warnings.  But the second
make
> > fails with this output:
> > 
> > scripts/kconfig/conf -s arch/arm/Kconfig
> > drivers/crypto/cesa/Kconfig:16:warning: type of 'MV_CESA_TEST'
redefined
> > from 'tristate' to 'boolean'
> >    CHK     include/linux/version.h
> >    SYMLINK include/asm-arm/arch -> include/asm-arm/arch-mv88fxx81
> > make[1]: `include/asm-arm/mach-types.h' is up to date.
> >    CHK     include/linux/utsrelease.h
> >    HOSTCC  scripts/mod/sumversion.o
> > scripts/mod/sumversion.c: In function `get_src_version':
> > scripts/mod/sumversion.c:384: error: `PATH_MAX' undeclared
> > (first use in this function)
> > scripts/mod/sumversion.c:384: error: (Each undeclared identifier is
> > reported only once
> > scripts/mod/sumversion.c:384: error: for each function it appears in.)
> > scripts/mod/sumversion.c:384: warning: unused variable
> > `filelist'
> > make[2]: *** [scripts/mod/sumversion.o] Error 1
> > make[1]: *** [scripts/mod] Error 2
> > make: *** [scripts] Error 2
> > 
> > 
> > I found a simple patch at
> > m("/msg02788.html","//www.mail-archive.com/linux-arch");">http:
> > <m("/msg02788.html","//www.mail-archive.com/linux-arch");">http:>
> >    (a required header was not included) and now the kernel builds.
> > 
> > HOWEVER...
> > 
> > The fact that the source Technologic told me to download from
their site
> > did not build makes me wonder if the source contains all of the other
> > adjustments they've make (which include several things for the 7800),
> > since they obviously have never actually used the source that they
make
> > available for download.  If they had, they'd know that it doesn't
> > compile as-is.
> > 
> > When I reporting the bug, the fix and asked my contact at Technologic
> > about this, he told me that I probably needed to run make
menuconfig to
> > change a setting (but he didn't say which one that might be) so
that the
> > broken file is not included.  If that is true, then it concerns me
even
> > more than the bug, because I wanted to start with exactly the same
> > settings as Technologic so that the kernel we built as just like
theirs
> > except for the things we specifically wanted to change.
> > 
> > Perhaps these things don't bother the linux gurus among Technologic's
> > customers, but they concern me.
> > 
> > Hopefully, this will at least provide a starting point to anyone else
> > who needs (or wants) to rebuild the kernel for their Technologic
board.
> >
>




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