Hi,
On Mon, Jan 12, 2026 at 04:30:53PM +0100, ruggero rossi via ptxdist wrote:
> migrating to PTXDIST 2026.01.0, I found a problem compiling the kernel.
> In my (quite old) kernel, there are no modules.builtin.modinfo files,
> and ptxdist install fails.
Older than 5.2, right? That's the version the file was introduced from what
I can tell from the git history.
> It seems that the reason is this patch.
>
> The following patch solved my problem:
>
> --- /usr/local/lib/ptxdist-2026.01.0/rules/kernel.make 2025-12-12
> 09:44:06.000000000 +0100 +++ kernel.make 2026-01-12
> 16:14:44.223920509 +0100 @@ -285,7 +285,11 @@
> @$(call targetinfo)
> ifdef PTXCONF_KERNEL_MODULES_INSTALL
> @$(call world/install, KERNEL)
> - @chmod -x $(KERNEL_PKGDIR)/lib/modules/*/modules.builtin.modinfo
> + @for fileName in
> $(KERNEL_PKGDIR)/lib/modules/*/modules.builtin.modinfo; do \
> + if "$fileName" ; then \
> + chmod -x "$filename" ; \
> + fi ;\
> + done
I don't like patterns like this, because it silently fails if there is a
typo. And we know, that this is only needed for 6.18 or later. And all 6.x
versions install this file. So maybe wrap it with:
ifeq ($(KERNEL_VERSION_MAJOR),6)
...
endif
Michael
> endif
> @$(call world/dtb, KERNEL)
> @$(call world/dtbo, KERNEL)
>
> Best regards,
>
> Ruggero Rossi
>
>
> On Fri, 12 Dec 2025 15:52:10 +0100
> Michael Olbrich <[email protected]> wrote:
>
> > Thanks, applied as 844408110d046a967ec1d588dd038d95a6065514.
> >
> > Michael
> >
> > [sent from post-receive hook]
> >
> > On Fri, 12 Dec 2025 15:52:10 +0100, Fabian Pfitzner
> > <[email protected]> wrote:
> > > Since kernel commit a26a6c93edfe ("kbuild: Strip trailing padding
> > > bytes from modules.builtin.modinfo") [1], the resulting
> > > modules.builtin.modinfo file gets copied by objcopy resulting in an
> > > executable file.
> > >
> > > It seems, that objcopy detects this file as executable even though
> > > the file is not executable at all.
> > >
> > > Fix this problem by removing the execution bit afterwards.
> > >
> > > I also send a patch upstream to the kernel [2].
> > >
> > > [1]
> > > https://lore.kernel.org/all/20251105-kbuild-fix-builtin-modinfo-for-kmod-v1-1-b419d8ad4...@kernel.org
> > > [2]
> > > https://lore.kernel.org/all/[email protected]/#t
> > >
> > > Signed-off-by: Fabian Pfitzner <[email protected]>
> > > Message-Id:
> > > <[email protected]>
> > > Signed-off-by: Michael Olbrich <[email protected]>
> > >
> > > diff --git a/rules/kernel.make b/rules/kernel.make
> > > index 9cdc95a91b8b..e974304043f6 100644
> > > --- a/rules/kernel.make
> > > +++ b/rules/kernel.make
> > > @@ -274,6 +274,7 @@ $(STATEDIR)/kernel.install:
> > > @$(call targetinfo)
> > > ifdef PTXCONF_KERNEL_MODULES_INSTALL
> > > @$(call world/install, KERNEL)
> > > + @chmod -x
> > > $(KERNEL_PKGDIR)/lib/modules/*/modules.builtin.modinfo endif
> > > @$(call world/dtb, KERNEL)
> > > @$(call world/dtbo, KERNEL)
> >
>
>
>
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