The archiver doesn't support using multiconfig sharing the same TMPDIR.
When in the multiconfig and using the same TMPDIR: the two machines can make
the same copy at the same time to the same destination, which will not work.
This issiue can be replicated with meta-ti layer:
|# use a multiconfig machine
|MACHINE = "am64xx-evm"
|# archive sources for target recipes in conf/local.conf
|INHERIT += "archiver"
|COPYLEFT_RECIPE_TYPES = "target"
|ARCHIVER_MODE[src] = "original"
|ARCHIVER_MODE[diff] = "1"
|# and run bitbake with:
|bitbake mc:k3r5:gcc-source-11.2.0 gcc-source-11.2.0 -c do_unpack_and_patch -f
Fixes the following:
|ERROR: mc:k3r5:gcc-source-11.2.0-11.2.0-r0 do_unpack_and_patch: Error
executing a python function in exec_func_python() autogenerated:
|
|The stack trace of python calls that resulted in this exception/failure was:
|File: 'exec_func_python() autogenerated', lineno: 2, function: <module>
| 0001:
| *** 0002:do_unpack_and_patch(d)
| 0003:
|File:
'/build/conf/../../layers/openembedded-core/meta/classes/archiver.bbclass',
lineno: 489, function: do_unpack_and_patch
| 0485: # Save the original source for creating the patches
| 0486: if d.getVarFlag('ARCHIVER_MODE', 'diff') == '1':
| 0487: src = d.getVar('S').rstrip('/')
| 0488: src_orig = '%s.orig' % src
| *** 0489: oe.path.copytree(src, src_orig)
| 0490:
| 0491: if bb.data.inherits_class('dos2unix', d):
| 0492: bb.build.exec_func('do_convert_crlf_to_lf', d)
| 0493:
|File: '/build/conf/../../layers/openembedded-core/meta/lib/oe/path.py',
lineno: 94, function: copytree
| 0090: # This way we also preserve hardlinks between files in the tree.
| 0091:
| 0092: bb.utils.mkdirhier(dst)
| 0093: cmd = "tar --xattrs --xattrs-include='*' -cf - -S -C %s -p . |
tar --xattrs --xattrs-include='*' -xf - -C %s" % (src, dst)
| *** 0094: subprocess.check_output(cmd, shell=True,
stderr=subprocess.STDOUT)
| 0095:
| 0096:def copyhardlinktree(src, dst):
| 0097: """Make a tree of hard links when possible, otherwise copy."""
| 0098: bb.utils.mkdirhier(dst)
|File: '/usr/lib/python3.10/subprocess.py', lineno: 420, function: check_output
| 0416: else:
| 0417: empty = b''
| 0418: kwargs['input'] = empty
| 0419:
| *** 0420: return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
| 0421: **kwargs).stdout
| 0422:
| 0423:
| 0424:class CompletedProcess(object):
|File: '/usr/lib/python3.10/subprocess.py', lineno: 524, function: run
| 0520: # We don't call process.wait() as .__exit__ does that
for us.
| 0521: raise
| 0522: retcode = process.poll()
| 0523: if check and retcode:
| *** 0524: raise CalledProcessError(retcode, process.args,
| 0525: output=stdout, stderr=stderr)
| 0526: return CompletedProcess(process.args, retcode, stdout, stderr)
| 0527:
| 0528:
|Exception: subprocess.CalledProcessError: Command 'tar --xattrs
--xattrs-include='*' -cf - -S -C
/build/tmp-lmp/work-shared/gcc-11.2.0-r0/gcc-11.2.0 -p . | tar --xattrs
--xattrs-include='*' |-xf - -C
/build/tmp-lmp/work-shared/gcc-11.2.0-r0/gcc-11.2.0.orig' returned non-zero
exit status 2.
|
|Subprocess output:
|tar: ./gcc/config/moxie/predicates.md: file changed as we read it
|tar: ./patches: Cannot stat: No such file or directory
|tar: Exiting with failure status due to previous errors
|
|ERROR: Logfile of failure stored in:
/build/tmp-lmp/work-shared/gcc-11.2.0-r0/temp/log.do_unpack_and_patch.291906
|ERROR: Task
(mc:k3r5:/build/conf/../../layers/openembedded-core/meta/recipes-devtools/gcc/gcc-source_11.2.bb:do_unpack_and_patch)
failed with exit code '1'
Signed-off-by: Jose Quaresma <[email protected]>
---
v2: replace "bb.error" with "bb.fatal"
v3: instead of failing make it more resilient
meta/classes/archiver.bbclass | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/meta/classes/archiver.bbclass b/meta/classes/archiver.bbclass
index c19c770d11..b1d7aa0247 100644
--- a/meta/classes/archiver.bbclass
+++ b/meta/classes/archiver.bbclass
@@ -485,7 +485,8 @@ python do_unpack_and_patch() {
# Save the original source for creating the patches
if d.getVarFlag('ARCHIVER_MODE', 'diff') == '1':
src = d.getVar('S').rstrip('/')
- src_orig = '%s.orig' % src
+ # append machine name to avoid races in multiconfig when using the
same TMPDIR
+ src_orig = '%s.orig.%s' % (src, d.getVar('MACHINE'))
oe.path.copytree(src, src_orig)
if bb.data.inherits_class('dos2unix', d):
--
2.36.1
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