Re: rdma-core spec weird behavior on Fedora

[Leon Romanovsky <leon@kernel.org>]

On Mon, Feb 08, 2021 at 09:21:15AM -0400, Jason Gunthorpe wrote:
> On Mon, Feb 08, 2021 at 03:10:53PM +0200, Leon Romanovsky wrote:
> > On Mon, Feb 08, 2021 at 08:59:00AM -0400, Jason Gunthorpe wrote:
> > > On Sun, Feb 07, 2021 at 10:06:49AM +0200, Leon Romanovsky wrote:
> > > > Hi Honggang,
> > > >
> > > > Your commit b02de521022a ("redhat: Remove base package dependency from all sub-packages")
> > > > removes protection from rdma-core when user performs "dnf autoremove".
> > > >
> > > > Before your patch, systemd was dependent on libibverbs and latter
> > > > required rdma-core. After your patch, the last link is lost and
> > > > rdma-core marked as orphaned package.
> > > >
> > > > Any attempt to install rdma-core as standalone package will have the
> > > > following errors, due to the library dependency of udevadm.
> > > > [leonro@c rdma-core]$ ldd /sbin/udevadm | grep verbs
> > > > 	libibverbs.so.1 => not found
> > >
> > > well that makes no sense, since when is udevadm connected to
> > > libibverbs?
> > >
> > > $ ldd `which udevadm`
> > > 	linux-vdso.so.1 (0x00007ffcc09ef000)
> > > 	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f394bec3000)
> > > 	libkmod.so.2 => /lib/x86_64-linux-gnu/libkmod.so.2 (0x00007f394bea8000)
> > > 	libacl.so.1 => /lib/x86_64-linux-gnu/libacl.so.1 (0x00007f394be9d000)
> > > 	libblkid.so.1 => /lib/x86_64-linux-gnu/libblkid.so.1 (0x00007f394be46000)
> > > 	libselinux.so.1 => /lib/x86_64-linux-gnu/libselinux.so.1 (0x00007f394be1b000)
> > > 	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f394bdf8000)
> > > 	/lib64/ld-linux-x86-64.so.2 (0x00007f394c1b6000)
> > > 	liblzma.so.5 => /lib/x86_64-linux-gnu/liblzma.so.5 (0x00007f394bdcd000)
> > > 	libcrypto.so.1.1 => /lib/x86_64-linux-gnu/libcrypto.so.1.1 (0x00007f394baf7000)
> > > 	libpcre2-8.so.0 => /lib/x86_64-linux-gnu/libpcre2-8.so.0 (0x00007f394ba67000)
> > > 	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f394ba61000)
> >
> > This is from my laptop and it is connected:
>
> Well, that is crazy, udevadm uses libpcap on Fedora which is linked to verbs
>
> But it still doesn't make sense, how did you get a in a situation
> where this is no libibverbs installed even though there should be
> dependencies from udevadm preventing that?

It was part of my experiments and it is not the issue which we need to solve.

Our two problems are that "dnf autoremove" removes rdma-core and you can't
install it separately after Honggang's patch.


Thanks

>
> Jason