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SubjectRe: Linux 4.16-rc1: regression bisected, Debian kernel package tool make-kpkg stalls indefinitely during kernel build due to commit "kconfig: remove check_stdin()"
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Sander Eikelenboom wrote:
> L.S.,
>
> The Debian kernel-package tool make-kpkg for easy building of upstream kernels on Debian fails with linux 4.16-rc1.
>
> The tool (perl script) while invoked with:
> make-kpkg --initrd --append_to_version -20180212 kernel_image
>
> On a git tree with a .config from the previous kernel release, so new KConfig questions have to be asked on new or changed options.
>
> The script stalls indefinitely while it seems to be excuting:
> exec make kpkg_version=13.018+nmu1 -f /usr/share/kernel-package/ruleset/minimal.mk debian APPEND_TO_VERSION=-t440s-20180212 INITRD=YES
>
> After using ctrl-c to break out it, i get:
> ^CFailed to create a ./debian directory: No such file or directory at /usr/bin/make-kpkg line 970.
>
>
> Bisection turned up as culprit:
> commit d2a04648a5dbc3d1d043b35257364f0197d4d868
> kconfig: remove check_stdin()
>
> Except silentoldconfig, valid_stdin is 1, so check_stdin() is no-op.
>
> oldconfig and silentoldconfig work almost in the same way except that
> the latter generates additional files under include/. Both ask users
> for input for new symbols.
>
> I do not know why only silentoldconfig requires stdio be tty.
>
> $ rm -f .config; touch .config
> $ yes "" | make oldconfig > stdout
> $ rm -f .config; touch .config
> $ yes "" | make silentoldconfig > stdout
> make[1]: *** [silentoldconfig] Error 1
> make: *** [silentoldconfig] Error 2
> $ tail -n 4 stdout
> Console input/output is redirected. Run 'make oldconfig' to update configuration.
>
> scripts/kconfig/Makefile:40: recipe for target 'silentoldconfig' failed
> Makefile:507: recipe for target 'silentoldconfig' failed
>
> Redirection is useful, for example, for testing where we want to give
> particular key inputs from a test file, then check the result.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> Reviewed-by: Ulf Magnusson <ulfalizer@gmail.com>
>
> Reverting this specific commit makes make-kpkg work again as usual.
>
> Version of the kernel-package used:
> ii kernel-package 13.018+nmu1
>
>
> I also cc'ed the Debian developer who maintains the kernel-package package: Manoj Srivastava
>
> --
> Sander
>
I have noticed today the same - the kernel-build blockage was in (as I
recall)
srcipts/kconfig/conf -s --silentoldconfig Kbuild

I have bypassed it by regenerating the .config "by hand"...

Woody

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