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SubjectRe: ftrace 'failed to modify' bug when loading reiserfs.ko
On Thu, Sep 05, 2013 at 09:44:55PM -0400, Steven Rostedt wrote:
> On Thu, 5 Sep 2013 21:34:55 -0400
> Dave Jones <davej@redhat.com> wrote:
>
> > On Thu, Sep 05, 2013 at 09:28:34PM -0400, Steven Rostedt wrote:
> > > On Thu, 5 Sep 2013 21:19:24 -0400
> > > Dave Jones <davej@redhat.com> wrote:
> > >
> > > > For whatever dumb reason, when running 'make install' on a Fedora system,
> > > > os-prober tries to figure out what filesystems are needed by loading filesystems,
> > > > and seeing what sticks.. Today it blew up spectacularly when it got to
> > > > loading reiserfs.. System wedged entirely afterwards.
> > >
> > > Could it be that the reiserfs module was compiled differently than the
> > > running kernel?
> >
> > ohhhh... it was probably installing the just-built version over the same '3.11+'
> > modules tree that was running. This has never been a problem before though..
> >
>
> Did you change a config option, or update your gcc?

Yeah, changed CONFIG_DEBUG_KOBJECT, which rebuilt the world.

Dave


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