linux-kernel - Re: Fwd: 6.4.4 breaks module-free builds of Debian kernel packages

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Date:   Thu, 20 Jul 2023 21:13:21 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Bagas Sanjaya <bagasdotme@...il.com>,
        Josh Triplett <josh@...htriplett.org>,
        Nicolas Schier <nicolas@...sle.eu>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Sasha Levin <sashal@...nel.org>,
        Brian Lindholm <brian_lindholm@...rs.sourceforge.net>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Regressions <regressions@...ts.linux.dev>,
        Linux Stable <stable@...r.kernel.org>,
        Linux Kernel Build System <linux-kbuild@...r.kernel.org>
Subject: Re: Fwd: 6.4.4 breaks module-free builds of Debian kernel packages

Hi Bagas,

On 7/20/23 20:18, Bagas Sanjaya wrote:
> Hi,
> 
> I notice a regression report on Bugzilla [1]. Quoting from it:
> 
>> I'm on AMD64 with Debian testing (trixie), where I build my own kernels (with CONFIG_MODULES unset) using "make bindeb-pkg". The build proceeds through 99% of the process, but fails here:
>>
>> Kernel: arch/x86/boot/bzImage is ready  (#2)
>> make -f ./Makefile ARCH=x86     KERNELRELEASE=6.4.4-i5 intdeb-pkg
>> sh ./scripts/package/builddeb
>> ***
>> *** The present kernel configuration has modules disabled.
>> *** To use the module feature, please run "make menuconfig" etc.
>> *** to enable CONFIG_MODULES.
>> ***
>> make[5]: *** [Makefile:1969: modules_install] Error 1
>> make[4]: *** [scripts/Makefile.package:150: intdeb-pkg] Error 2
>> make[3]: *** [Makefile:1657: intdeb-pkg] Error 2
>> make[2]: *** [debian/rules:16: binary-arch] Error 2
>> dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2
>> make[1]: *** [scripts/Makefile.package:139: bindeb-pkg] Error 2
>> make: *** [Makefile:1657: bindeb-pkg] Error 2
>>
>> 6.3.13 contained the same error, but I "fixed" that by moving to 6.4.3.  But alas, 6.4.4 now has the same issue.
>>
>> I worked around the issue by changing "exit 1" to "exit 0" in the main Makefile (at "modules module_install", per the attached patch), but I don't know if this is a true fix or something that simply happens to work for my particular configuration.
> 
> See Bugzilla for the full thread and attached patch that ignores the error.
> 
> Josh: It looks like this regression is caused by a commit of yours
> (and also 1240dabe8d58b4). Would you like to take a look on it?
> 
> Anyway, I'm adding this regression to be tracked by regzbot:
> 
> #regzbot introduced: 4243afdb932677 https://bugzilla.kernel.org/show_bug.cgi?id=217689
> #regzbot title: always doing modules_install breaks CONFIG_MODULES=n builds
> 
> Thanks.
> 
> [1]: https://bugzilla.kernel.org/show_bug.cgi?id=217689


Do you also take care of marking the bugzilla entries as completed/fixed/solved
etc.?

thanks.
-- 
~Randy