Re: Bitbake: error in cachedpath.py

[Richard Purdie <richard.purdie@linuxfoundation.org>]

On Fri, 2014-06-27 at 09:52 +0200, Dr. Markus Eich wrote:
> Dear all,
> 
> I am setting up Yocto to compile my kernel for odroid xu. During the 
> package phase of building the kernel, I get an error in cachedpath.py
> 
> ================
> 
> DEBUG: Executing python function sstate_task_prefunc
> DEBUG: Python function sstate_task_prefunc finished
> DEBUG: Executing python function do_package
> DEBUG: Executing python function package_get_auto_pr
> DEBUG: Python function package_get_auto_pr finished
> DEBUG: Executing python function perform_packagecopy
> DEBUG: Python function perform_packagecopy finished
> DEBUG: Executing python function split_and_strip_files
> ERROR: Error executing a python function in 
> /home/eich/yocto/poky/meta-odroid/recipes-kernel/linux/linux-hardkernel_3.4.bb:
> 
> The stack trace of python calls that resulted in this exception/failure 
> was:
> File: 'split_and_strip_files', lineno: 222, function: <module>
>       0218:    # End of strip
>       0219:    #
>       0220:
>       0221:
>   *** 0222:split_and_strip_files(d)
>       0223:
> File: 'split_and_strip_files', lineno: 85, function: split_and_strip_files
>       0081:                if debugdir and debugdir in 
> os.path.dirname(file[len(dvar):]):
>       0082:                    continue
>       0083:
>       0084:                try:
>   *** 0085:                    ltarget = cpath.realpath(file, dvar, False)
>       0086:                    s = cpath.lstat(ltarget)
>       0087:                except OSError as e:
>       0088:                    (err, strerror) = e.args
>       0089:                    if err != errno.ENOENT:
> File: '/home/eich/yocto/poky/meta/lib/oe/cachedpath.py', lineno: 229, 
> function: realpath
>       0225:                # be printed a backtrace with 100s of OSError 
> exceptions
>       0226:                # else
>       0227:                raise OSError(errno.ELOOP,
>       0228:                              "too much recursions while 
> resolving '%s'; loop in '%s'" %
>   *** 0229:                              (file, e.strerror))
>       0230:
>       0231:            raise
>       0232:
>       0233:        return file
> Exception: OSError: [Errno 40] too much recursions while resolving 
> '/home/eich/odroid/build/tmp/work/odroid_xu-poky-linux-gnueabi/linux-hardkernel/3.4-r0/package/usr/src/kernel/drivers/gpu/arm/mali400/ump/arch/arch-release'; 
> loop in 
> '/home/eich/odroid/build/tmp/work/odroid_xu-poky-linux-gnueabi/linux-hardkernel/3.4-r0/package/usr/src/kernel/drivers/gpu/arm/mali400/ump/arch/arch-release'
> 
> DEBUG: Python function split_and_strip_files finished
> DEBUG: Python function do_package finished
> ERROR: Function failed: split_and_strip_files
> 
> ====================
> 
> Seems that the path is to deep?
> 
> To track the error, I have attached my kernel.bb
> 
> 
> ==================
> require recipes-kernel/linux/linux-yocto.inc
> 
> KERNEL_IMAGETYPE = "uImage"
> 
> COMPATIBLE_MACHINE = "odroid-xu"
> 
> LINUX_VERSION = "3.4.91"
> LINUX_VERSION_EXTENSION = "-custom"
> 
> FILESEXTRAPATHS_prepend := "${THISDIR}/linux-hardkernel-3.4:"
> 
> S = "${WORKDIR}/git"
> 
> # from where to fetch the kernel
> KERNEL_REPO_OWNER ??= "hardkernel"
> KERNEL_REPO_URI ??= "git://github.com/${KERNEL_REPO_OWNER}/linux.git"
> KBRANCH = "odroidxu-3.4.y"
> 
> SRCREV = "${AUTOREV}"
> 
> SRC_URI = " \
>    ${KERNEL_REPO_URI};nocheckout=1;branch=${KBRANCH} \
> file://defconfig \
> "
> 
> 
> Any ideas ?

It sounds like you have recursive symlinks which just loop between each
other...

Cheers,

Richard