Re: Error message from device_rename in drivers/base/core.c

[Larry Finger <larry.finger@lwfinger.net>]

Kay Sievers wrote:
> On Wed, 2007-08-08 at 08:59 -0500, Larry Finger wrote:
> > Kay Sievers wrote:
> > > On 8/8/07, Larry Finger <larry.finger@lwfinger.net> wrote:
> > > > I agree with you, but you and David can fight it out. While finding out where to ask/complain about
> > > > udev, I had a private communication with GregKH. He thinks that a patch to fix this has already been
> > > > pushed through Linus. As Linville's wireless-dev tree is a little behind, I'm waiting to see if it
> > > > gets fixed here by 2.6.23-rc3. If not, I'll talk to the udev/hotplug folks.
> > > Hmm, I can not immediately see how udev could request the renaming to
> > > the same name:
> > >
> > >   /* look if we want to change the name of the netif */
> > >   if (strcmp(udev->name, udev->dev->kernel) != 0) {
> > >     ...
> > >     retval = rename_netif(udev);
> > >     ...
> > >   }
> > >
> > > What udev version is it and which distro and version?
> > My distro is openSUSE 10.2, which is fully patched/updated. According to YaST, I'm using version 
> > 103-12 x86_64. My kernel is 2.6.23-rc2 from John Linville's git tree - I run bcm43xx-mac80211.
>
> Oh, that's likely a bug in the SUSE versions of the persistent net
> interface rules. It is calling ifrename when it needs to swap interface
> names (temp rename to free the target name), that logic which may have
> that bug.
> For the next SUSE release, it is replaced by the (now available)
> upstream stuff from the udev tree, which most distros use now, and which
> should not have that problem.

Thanks for the explanation. I'll ignore the message - it doesn't cause any problems anyway, and I'll 
expect it to go away when openSUSE 10.3 comes out in October. I think I'll post a bug report with 
SUSE just to make sure it gets fixed.

Larry
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