On Tue, 2020-12-01 at 17:55 +0000, Sérgio Basto wrote:
On Tue, 2020-12-01 at 10:05 -0600, Justin Forbes wrote:
> On Tue, Dec 1, 2020 at 7:57 AM Veronika Kabatova <
> vkabatov(a)redhat.com
> > wrote:
> >
> >
> > ----- Original Message -----
> > > From: "Sérgio Basto" <sergio(a)serjux.com>
> > > To: "Veronika Kabatova" <vkabatov(a)redhat.com>,
"Kernel Fedora"
> > > <
> > > kernel(a)lists.fedoraproject.org>
> > > Sent: Monday, November 30, 2020 3:59:42 PM
> > > Subject: Re: scripts/basic/fixdep: /lib64/libc.so.6: version
> > > `GLIBC_2.33' not found (required by
> > > scripts/basic/fixdep)
> > >
> > > On Mon, 2020-11-30 at 07:46 -0500, Veronika Kabatova wrote:
> > > > ----- Original Message -----
> > > > > From: "Sérgio Basto" <sergio(a)serjux.com>
> > > > > To: "Kernel Fedora"
<kernel(a)lists.fedoraproject.org>
> > > > > Sent: Monday, November 23, 2020 12:22:12 AM
> > > > > Subject: scripts/basic/fixdep: /lib64/libc.so.6: version
> > > > > `GLIBC_2.33' not found (required by scripts/basic/fixdep)
> > > > >
> > > > > Hello,
> > > > >
> > > > > with kernels from fedora-rawhide-kernel-nodebug
> > > > > [1]compilation of
> > > > > kmods
> > > > > started fail because [2] , how we can fix this issue ?
> > > > >
> > > > >
> > > > > Thanks
> > > > >
> > > > >
> > > > > [1]
> > > > > dnf --enablerepo=fedora-rawhide-kernel-nodebug update
> > > > >
> > > > > [2]
> > > > > scripts/basic/fixdep: /lib64/libc.so.6: version
> > > > > `GLIBC_2.33'
> > > > > not
> > > > > found
> > > > > (required by scripts/basic/fixdep)
> > > > >
> > > >
> > > > Hi,
> > > >
> > > > we're seeing a similar issue with upstream kernels built on
> > > > rawhide
> > > > for the past ~week.
> > > >
> > > > Specifically in our case we're compiling bpf-next tree
> > > > (though
> > > > based
> > > > on the message I'm replying to it doesn't matter). The
kernel
> > > > is then
> > > > installed on Fedora 33 with an attempt to rebuild some
> > > > modules
> > > > which
> > > > fails with
> > > >
> > > > /usr/src/kernels/5.10.0-rc3/tools/objtool//fixdep:
> > > > /lib64/libc.so.6:
> > > > version `GLIBC_2.33' not found (required by
> > > > /usr/src/kernels/5.10.0-rc3/tools/objtool//fixdep)
> > > >
> > > > This is on x86_64.
> > > >
> > > > Did anyone manage to find out what what's causing this? Is it
> > > > a
> > > > mismatch of versions between rawhide and fc33 that's not
> > > > expected to
> > > > work? @Sérgio are you also using the kernels with fc33 or
> > > > purely
> > > > rawhide?
> A mismatch of modules is definitely expected not to work. Fedora
> runs
> without CONFIG_MODVERSIONS because we do not in any way promise
> KABI.
> Because of this, if you want to run a module, it must be built with
> the same compiler/environment that the kernel you wish to insert it
> into is built. If you need out of tree modules, rawhide/nodebug
> kernels will need to be run in rawhide, or rebuilt against the
> version
> of Fedora you wish to run it on.
I think [1] make it work
Hi,
As the copy didn't work, I tried this [2] that worked for me, ie akmods
build kmod successfully for 5.10.0-0.rc7.20201211git33dc9614dc2
[2]
cd /usr/src/kernels/5.10.0-0.rc7.20201211git33dc9614dc20.97.fc34.x86_64
rm tools/objtool/fixdep scripts/basic/fixdep
tools/bpf/resolve_btfids/fixdep
cd tools/
make objtool
cd ..
make (I think just need to build fixdep again)
, the problem is these binaries (fixdep,
objtool and modpost) that are compiled in rawhide with a new glibc
...
[1]
cp /usr/src/kernels/5.9.9-100.fc32.x86_64/scripts/basic/fixdep
/usr/src/kernels/5.10.0-0.rc6.90.fc34.x86_64/scripts/basic/
cp /usr/src/kernels/5.9.9-100.fc32.x86_64/tools/objtool/objtool
/usr/src/kernels/5.10.0-0.rc6.90.fc34.x86_64/tools/objtool/
cp /usr/src/kernels/5.9.9-100.fc32.x86_64/scripts/mod/modpost
/usr/src/kernels/5.10.0-0.rc6.90.fc34.x86_64/scripts/mod/
> > > Sometimes when I want test builds of kernel modules (with
> > > akmods
> > > of
> > > RPMFusion), I install kernels from fedora-rawhide-kernel-
> > > nodebug
> > > or kernel-stabilization .
> > > I workaround it, by building the kernels that I want to test on
> > > copr
> > > [1] for that I download src.rpm from koji .
> > >
> >
> > Thanks for the update! Unfortunately building in copr doesn't
> > work
> > for us.
> >
> > ccing Don and Justin, have you ever run into this issue with
> > building on rawhide?
> >
>
> I have not seen any issues, though I don't build any out of tree
> modules either.
>
> Justin
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--
Sérgio M. B.
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Sérgio M. B.