Re: [Xenomai-help] cyclictest -tn where n!=1 causes segfault with Kilauea

[Robert Berger <gmane@domain.hid>]

Gilles,

ulimit -s
8192

gdb output:

gdb cyclictest core.1132
GNU gdb Red Hat Linux (6.7-1rh)
Copyright (C) 2007 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "ppc-linux"...
Using host libthread_db library "/lib/libthread_db.so.1".

warning: Can't read pathname for load map: Input/output error.
Reading symbols from /usr/local/xenomai-head/lib/libpthread_rt.so.1...done.
Loaded symbols for /usr/local/xenomai-head/lib/libpthread_rt.so.1
Reading symbols from /usr/local/xenomai-head/lib/libxenomai.so.0...done.
Loaded symbols for /usr/local/xenomai-head/lib/libxenomai.so.0
Reading symbols from /lib/libpthread.so.0...done.
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /lib/librt.so.1...done.
Loaded symbols for /lib/librt.so.1
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld.so.1...done.
Loaded symbols for /lib/ld.so.1
Core was generated by `./cyclictest -t3'.
Program terminated with signal 11, Segmentation fault.
#0  0x0ff4e37c in xeno_fault_stack ()
   from /usr/local/xenomai-head/lib/libxenomai.so.0
(gdb) quit


Do you want me to build something like the libxenomai.so.0 with more
debug info?
If so, please tell me what exactly you want and how to enable debug.

Regards,

Robert

Robert Berger wrote:
> Hi,
> 
> I'm using a Kilauea board:
> 
> cat /proc/cpuinfo
> processor       : 0
> cpu             : 405EX
> clock           : 533.333333MHz
> revision        : 20.119 (pvr 1291 1477)
> bogomips        : 1066.66
> timebase        : 533333333
> platform        : PowerPC 40x Platform
> model           : amcc,kilauea
> Memory          : 256 MB
> 
> 
> The kernel is:
> 
> git clone git://git.denx.de/linux-2.6-denx.git
> git checkout v2.6.33 -b v2.6.33_local
> 
> The adeos patch is:
> 
> wget
> http://download.gna.org/adeos/patches/v2.6/powerpc/adeos-ipipe-2.6.33-powerpc-2.9-00.patch
> 
> xenomai is the latest and greatest:
> 
> git clone git://xenomai.org/xenomai-head
> 
> in the kernel dir:
> 
> make ARCH=powerpc CROSS_COMPILE=ppc_4xx- mrproper
> make ARCH=powerpc CROSS_COMPILE=ppc_4xx- 40x/kilauea_defconfig
> 
> I'm patching the kernel:
> 
> export ADEOS_PATCH=adeos-ipipe-2.6.33-powerpc-2.9-00.patch
> 
> cd xenomai-head
> 
> ./scripts/prepare-kernel.sh
> --linux=$ELDK_PREFIX/eldk-4.2-ppc_4xx/usr/src/$KERNEL_DIR/ --arch=powe
> rpc --adeos=../$ADEOS_PATCH
> 
> in the kernel dir:
> 
> make ARCH=powerpc CROSS_COMPILE=ppc_4xx- menuconfig
> 
> make ARCH=powerpc CROSS_COMPILE=ppc_4xx- uImage
> EXTRAVERSION=$EXTRA_VERSION_INFO
> 
> make ARCH=powerpc CROSS_COMPILE=ppc_4xx- modules
> EXTRAVERSION=$EXTRA_VERSION_INFO
> 
> make ARCH=powerpc CROSS_COMPILE=ppc_4xx-
> INSTALL_MOD_PATH=$ELDK_PREFIX/eldk-4.2-ppc_4xx/ppc_4xx mo
> dules_install
> 
> Build xenomai user-space support:
> 
> cd $ELDK_PREFIX/eldk-4.2-ppc_4xx/usr/src/xenomai-head
> 
> source $ELDK_PREFIX/eldk-4.2-ppc_4xx/eldk_init ppc_4xx
> 
> ./configure --host=powerpc-linux --prefix=/usr/local/xenomai-head
> 
> make ARCH=powerpc CROSS_COMPILE=ppc_4xx-
> 
> make DESTDIR=$ELDK_PREFIX/eldk-4.2-ppc_4xx/ppc_4xx install
> 
> on the target:
> 
> cd /usr/local/xenomai-head/bin
> 
> ./cyclictest -t2
> Segmentation fault
> 
> ./cyclictest -t3
> Segmentation fault
> 
> ./cyclictest -t4
> Segmentation fault
> 
> only
> 
> ./cyclictest -t1 does not give Segmentation fault
> 
> Please advise.
> 
> Regards,
> 
> Robert
>