Re: [Buildroot] [PATCH v2] package/mdadm: bump to version 4.6

[Maxin John <maxin.john@gmail.com>]

Hi Julien,

On Sat, Apr 25, 2026 at 02:07:47PM +0200, Julien Olivain wrote:
> Hi Maxin,
> 
> Thanks for the v2. This new 4.6 version is introducing 2 issues.
> 
> On 25/04/2026 08:27, Maxin John wrote:
> > Drop upstreamed/backported patches.
> > 
> > Release announcements:
> > 4.6:
> > https://lore.kernel.org/linux-raid/CALTww2_2pjjOSsVj-WT++m35555CjnPWokU7fut+HwUJVV-=ZQ@mail.gmail.com/
> 
> First, it breaks the mdadm runtime test. See:
> https://gitlab.com/jolivain/buildroot/-/jobs/14088239652
> 
> You can reproduce the issue with the command:
> 
> utils/docker-run \
>     support/testing/run-tests \
>     -k -d dl -o output_folder tests.package.test_mdadm
> 
> This new version asks a question and blocks the test.
> 
> This commit should make sure the test keep working.
> So this can be fixed by passing the answer to the question.
> Adding "--bitmap=none" to the "mdadm --create" options should
> fix the issue. See:
> https://gitlab.com/buildroot.org/buildroot/-/blob/2026.02.1/support/testing/tests/package/test_mdadm.py?ref_type=tags#L72
> 
> Also, this new version breaks with toolchains with old kernel headers. See:
> https://gitlab.com/jolivain/buildroot/-/jobs/14088277312
> 
> You can reproduce the issue with the command:
> 
>     utils/test-pkg -p mdadm
> 
> This is due to mdadm upstream commit
> 71574efb077131701b3da874df0045f259ca3448
> (in mdadm 4.0) which introduced a usage of MD_DISK_FAILFAST but was also
> including the definition. Then upstream commit
> f5889f9a1b8753a1472dfef9d025da2bae395239 (in mdadm 4.5) removed the
> usage of those local definitions to use the kernel instead.
> So mdadm has now a new requirement on Kernel headers >= 4.10.
> 
> The bootlin-aarch64-glibc-old has 4.9 kernel headers and is now failing.
> 
> Search for "BR2_TOOLCHAIN_HEADERS_AT_LEAST_" for examples.
> 
> Could you add this new requirement in Config.in and the explanation in
> the commit log please?
> 
> > 
> > 4.5:
> > https://lore.kernel.org/linux-raid/CALTww293wnLE2+eZsZ42oyNZhS_cc2agB4GNqTz8j3xiP0ALWA@mail.gmail.com/
> > 
> > 4.4:
> > https://lore.kernel.org/linux-raid/20241213121438.7ed6a0fd@mtkaczyk-private-dev/
> > 
> > Upstream mdadm project has moved its primary development to GitHub:
> > https://github.com/md-raid-utilities/mdadm
> > Updated download site accordingly.
> > 
> > Signed-off-by: Maxin John <maxin.john@gmail.com>
> 
> Could you send an updated patch addressing those issues,
> please?

Thanks again for the detailed review and pointers. That was really helpful. I
will send a v3.

 
> Best regards,
> 
> Julien.

Best Regards,
Maxin
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