[OE-core] [warrior][PATCH 1/3] icecc.bbclass: catch subprocess.CalledProcessError

Joshua Watt jpewhacker at gmail.com
Tue Aug 20 14:14:14 UTC 2019


Looks like "readlink -f" is failing. Can you try to capture the output and
figure out why?

On Tue, Aug 20, 2019, 2:04 AM Martin Jansa <martin.jansa at gmail.com> wrote:

> * this might be related to:
>   commit d2fcaeb153fdc3f8d7143ea823139f1537055ff1
>   Author: Douglas Royds <douglas.royds at taitradio.com>
>   Date:   Thu Dec 20 11:59:47 2018 +1300
>
>     icecc: Don't generate recipe-sysroot symlinks at recipe-parsing time
>
> * it's still a bit unclear when and why this happends, but I'm seeing
>   random tasks sometimes failing with:
>
> WARNING: Exception during build_dependencies for set_icecc_env
> WARNING: Error during finalise of
> /build/meta-oe/meta-python/recipes-devtools/python/
> python-markupsafe_1.0.bb
> ERROR: Traceback (most recent call last):
>   File "/build/bitbake/lib/bb/data_smart.py", line 411, in expandWithRefs
>     s = __expand_python_regexp__.sub(varparse.python_sub, s)
>   File "/build/bitbake/lib/bb/data_smart.py", line 136, in python_sub
>     value = utils.better_eval(codeobj, DataContext(self.d), {'d' : self.d})
>   File "/build/bitbake/lib/bb/utils.py", line 421, in better_eval
>     return eval(source, ctx, locals)
>   File "Var <set_icecc_env>", line 1, in <module>
>   File "/build/oe-core/meta/classes/icecc.bbclass", line 287, in
> icecc_get_and_check_tool
>     link_path = icecc_get_tool_link(t, d)
>   File "/build/oe-core/meta/classes/icecc.bbclass", line 246, in
> icecc_get_tool_link
>     return subprocess.check_output("readlink -f %s" % tool,
> shell=True).decode("utf-8")[:-1]
>   File "/usr/lib/python3.6/subprocess.py", line 336, in check_output
>     **kwargs).stdout
>   File "/usr/lib/python3.6/subprocess.py", line 418, in run
>     output=stdout, stderr=stderr)
> subprocess.CalledProcessError: Command 'readlink -f
> /build/BUILD/work/qemux86-oe-linux/python-markupsafe/1.0-r0/recipe-sysroot-native/usr/bin/x86_64-oe-linux/x86_64-oe-linux-g++'
> returned non-zero exit status 1.
>
> The above exception was the direct cause of the following exception:
>
> Traceback (most recent call last):
>   File "/build/bitbake/bin/bitbake-worker", line 239, in child
>     the_data = bb_cache.loadDataFull(fn, appends)
>   File "/build/bitbake/lib/bb/cache.py", line 327, in loadDataFull
>     bb_data = self.load_bbfile(virtualfn, appends, virtonly=True)
>   File "/build/bitbake/lib/bb/cache.py", line 340, in load_bbfile
>     datastores = parse_recipe(bb_data, bbfile, appends, mc)
>   File "/build/bitbake/lib/bb/cache.py", line 303, in parse_recipe
>     bb_data = bb.parse.handle(bbfile, bb_data)
>   File "/build/bitbake/lib/bb/parse/__init__.py", line 107, in handle
>     return h['handle'](fn, data, include)
>   File "/build/bitbake/lib/bb/parse/parse_py/BBHandler.py", line 142, in
> handle
>     return ast.multi_finalize(fn, d)
>   File "/build/bitbake/lib/bb/parse/ast.py", line 386, in multi_finalize
>     finalize(fn, d)
>   File "/build/bitbake/lib/bb/parse/ast.py", line 351, in finalize
>     bb.parse.siggen.finalise(fn, d, variant)
>   File "/build/bitbake/lib/bb/siggen.py", line 147, in finalise
>     taskdeps = self._build_data(fn, d)
>   File "/build/bitbake/lib/bb/siggen.py", line 118, in _build_data
>     tasklist, gendeps, lookupcache = bb.data.generate_dependencies(d)
>   File "/build/bitbake/lib/bb/data.py", line 388, in generate_dependencies
>     deps[dep], values[dep] = build_dependencies(dep, keys, shelldeps,
> varflagsexcl, d)
>   File "/build/bitbake/lib/bb/data.py", line 317, in build_dependencies
>     value, parsedvar = d.getVarFlag(key, "_content", False, retparser=True)
>   File "/build/bitbake/lib/bb/data_smart.py", line 802, in getVarFlag
>     parser = self.expandWithRefs(value, cachename)
>   File "/build/bitbake/lib/bb/data_smart.py", line 424, in expandWithRefs
>     raise ExpansionError(varname, s, exc).with_traceback(tb) from exc
>   File "/build/bitbake/lib/bb/data_smart.py", line 411, in expandWithRefs
>     s = __expand_python_regexp__.sub(varparse.python_sub, s)
>   File "/build/bitbake/lib/bb/data_smart.py", line 136, in python_sub
>     value = utils.better_eval(codeobj, DataContext(self.d), {'d' : self.d})
>   File "/build/bitbake/lib/bb/utils.py", line 421, in better_eval
>     return eval(source, ctx, locals)
>   File "Var <set_icecc_env>", line 1, in <module>
>   File "/build/oe-core/meta/classes/icecc.bbclass", line 287, in
> icecc_get_and_check_tool
>     link_path = icecc_get_tool_link(t, d)
>   File "/build/oe-core/meta/classes/icecc.bbclass", line 246, in
> icecc_get_tool_link
>     return subprocess.check_output("readlink -f %s" % tool,
> shell=True).decode("utf-8")[:-1]
>   File "/usr/lib/python3.6/subprocess.py", line 336, in check_output
>     **kwargs).stdout
>   File "/usr/lib/python3.6/subprocess.py", line 418, in run
>     output=stdout, stderr=stderr)
> bb.data_smart.ExpansionError: Failure expanding variable set_icecc_env,
> expression was     if [ "${@use_icecc(bb, d)}" = "no" ]
>     then
>         return
>     fi
>     ICECC_VERSION="${@icecc_version(bb, d)}"
>     if [ "x${ICECC_VERSION}" = "x" ]
>     then
>         bbwarn "Cannot use icecc: could not get ICECC_VERSION"
>         return
>     fi
>
>     ICE_PATH="${@icecc_path(bb, d)}"
>     if [ "x${ICE_PATH}" = "x" ]
>     then
>         bbwarn "Cannot use icecc: could not get ICE_PATH"
>         return
>     fi
>
>     ICECC_BIN="${@get_icecc(d)}"
>     if [ -z "${ICECC_BIN}" ]; then
>         bbwarn "Cannot use icecc: icecc binary not found"
>         return
>     fi
>     if [ -z "$(which patchelf patchelf-uninative)" ]; then
>         bbwarn "Cannot use icecc: patchelf not found"
>         return
>     fi
>
>     # Create symlinks to icecc in the recipe-sysroot directory
>     mkdir -p ${ICE_PATH}
>     if [ -n "${KERNEL_CC}" ]; then
>         compilers="${@get_cross_kernel_cc(bb,d)}"
>     else
>         compilers="x86_64-oe-linux-gcc x86_64-oe-linux-g++"
>     fi
>     for compiler in $compilers; do
>         ln -sf ${ICECC_BIN} ${ICE_PATH}/$compiler
>     done
>
>     ICECC_CC="${@icecc_get_and_check_tool(bb, d, "gcc")}"
>     ICECC_CXX="${@icecc_get_and_check_tool(bb, d, "g++")}"
>     # cannot use icecc_get_and_check_tool here because it assumes as
> without target_sys prefix
>     ICECC_WHICH_AS="${@bb.utils.which(os.getenv('PATH'), 'as')}"
>     if [ ! -x "${ICECC_CC}" -o ! -x "${ICECC_CXX}" ]
>     then
>         bbwarn "Cannot use icecc: could not get ICECC_CC or ICECC_CXX"
>         return
>     fi
>
>     ICE_VERSION=`$ICECC_CC -dumpversion`
>     ICECC_VERSION=`echo ${ICECC_VERSION} | sed -e "s/@VERSION@
> /$ICE_VERSION/g"`
>     if [ ! -x
> "/build/BUILD/work/qemux86-oe-linux/python-markupsafe/1.0-r0/recipe-sysroot-native/usr/bin/icecc-create-env"
> ]
>     then
>         bbwarn "Cannot use icecc: invalid ICECC_ENV_EXEC"
>         return
>     fi
>
>     ICECC_AS="`${ICECC_CC} -print-prog-name=as`"
>     # for target recipes should return something like:
>     #
> /OE/tmp-eglibc/sysroots/x86_64-linux/usr/libexec/arm920tt-oe-linux-gnueabi/gcc/arm-oe-linux-gnueabi/4.8.2/as
>     # and just "as" for native, if it returns "as" in current directory
> (for whatever reason) use "as" from PATH
>     if [ "`dirname "${ICECC_AS}"`" = "." ]
>     then
>         ICECC_AS="${ICECC_WHICH_AS}"
>     fi
>
>     if [ ! -f "${ICECC_VERSION}.done" ]
>     then
>         mkdir -p "`dirname "${ICECC_VERSION}"`"
>
>         # the ICECC_VERSION generation step must be locked by a mutex
>         # in order to prevent race conditions
>         if flock -n "${ICECC_VERSION}.lock" \
>
> /build/BUILD/work/qemux86-oe-linux/python-markupsafe/1.0-r0/recipe-sysroot-native/usr/bin/icecc-create-env
> "${ICECC_CC}" "${ICECC_CXX}" "${ICECC_AS}" "${ICECC_VERSION}"
>         then
>             touch "${ICECC_VERSION}.done"
>         elif ! wait_for_file "${ICECC_VERSION}.done" 30
>         then
>             # locking failed so wait for ${ICECC_VERSION}.done to appear
>             bbwarn "Timeout waiting for ${ICECC_VERSION}.done"
>             return
>         fi
>     fi
>
>     # Don't let ccache find the icecream compiler links that have been
> created, otherwise
>     # it can end up invoking icecream recursively.
>     export CCACHE_PATH="$PATH"
>     export CCACHE_DISABLE="1"
>
>     export ICECC_VERSION ICECC_CC ICECC_CXX
>     export PATH="$ICE_PATH:$PATH"
>
>     bbnote "Using icecc path: $ICE_PATH"
>     bbnote "Using icecc tarball: $ICECC_VERSION"
>  which triggered exception CalledProcessError: Command 'readlink -f
> /build/BUILD/work/qemux86-oe-linux/python-markupsafe/1.0-r0/recipe-sysroot-native/usr/bin/x86_64-oe-linux/x86_64-oe-linux-g++'
> returned non-zero exit status 1.
>
> ERROR: Task
> (virtual:multilib:lib32:/build/meta-oe/meta-python/recipes-devtools/python/python-markupsafe_1.0.bb:do_patch)
> failed with exit code '1'
>
> Signed-off-by: Martin Jansa <Martin.Jansa at gmail.com>
> ---
>  meta/classes/icecc.bbclass | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/meta/classes/icecc.bbclass b/meta/classes/icecc.bbclass
> index edb0e10434..63d8b4dfee 100644
> --- a/meta/classes/icecc.bbclass
> +++ b/meta/classes/icecc.bbclass
> @@ -243,7 +243,11 @@ def icecc_get_external_tool(bb, d, tool):
>
>  def icecc_get_tool_link(tool, d):
>      import subprocess
> -    return subprocess.check_output("readlink -f %s" % tool,
> shell=True).decode("utf-8")[:-1]
> +    try:
> +        return subprocess.check_output("readlink -f %s" % tool,
> shell=True).decode("utf-8")[:-1]
> +    except subprocess.CalledProcessError as e:
> +        bb.note("icecc: one of the tools probably disappeared during
> recipe parsing, cmd readlink -f %s returned %d:\n%s" % (tool, e.returncode,
> e.output.decode("utf-8")))
> +        return tool
>
>  def icecc_get_path_tool(tool, d):
>      # This is a little ugly, but we want to make sure we add an actual
> --
> 2.17.1
>
> --
> _______________________________________________
> Openembedded-core mailing list
> Openembedded-core at lists.openembedded.org
> http://lists.openembedded.org/mailman/listinfo/openembedded-core
>
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