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Message-ID: <20130906152221.GA29715@redhat.com> Date: Fri, 6 Sep 2013 11:22:21 -0400 From: Dave Jones <davej@...hat.com> To: Kyle McMartin <kyle@...radead.org> Cc: Steven Rostedt <rostedt@...dmis.org>, Linux Kernel <linux-kernel@...r.kernel.org> Subject: Re: ftrace 'failed to modify' bug when loading reiserfs.ko On Fri, Sep 06, 2013 at 10:41:13AM -0400, Kyle McMartin wrote: > On Fri, Sep 06, 2013 at 10:24:13AM -0400, Steven Rostedt wrote: > > > > Is it really safe to load modules that were compiled with different > > options? > > Certainly not, offsets can change based on config options. > > > Sounds like a failure in the install scripts to me. > > > > Definitely a bug in those scripts, os-prober would need to run before > modules_install, since if $INSTALL_MOD_PATH is the same between config > changes, there's no guarantee the modules are loadable on the running > kernel without a reboot. Ugh, it's actually because my local install kernel script calls grub2-mkconfig after installing a kernel to clean out old ones and not clutter up the boot menu. (Which in turn scans every disk using os-prober[*]) Don't waste time on this Steve, I'll just work around it somehow. Dave [*] Worst thing. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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