On Thu, Nov 02, 2017 at 12:55:13PM -0700, Greg Rose wrote:
> On 11/02/2017 11:12 AM, Greg Rose wrote:
> >On 11/02/2017 11:07 AM, Ben Pfaff wrote:
> >>On Thu, Nov 02, 2017 at 10:46:48AM -0700, Greg Rose wrote:
> >>> On certain Ubuntu systems running the 4.4 based kernel depmod
> >>> may not correctly search for module dependencies when newer
> >>> openvswitch kernel modules have been installed in the extra
> >>> directory at /lib/modules/$(uname -r)/extra. A symptom of
> >>> this are the following messages in system log that can be
> >>> printed with the dmesg command:
> >>
> >>Thanks for figuring out the problem and documenting a fix. I really
> >>appreciate documentation patches.
> >>
> >>> + #!/bin/sh
> >>> +
> >>> + check_ubuntu_depmod_config() {
> >>> + if [ -e /etc/depmod.d/ubuntu.conf ]; then
> >>> + if ! grep -q extra /etc/depmod.d/ubuntu.conf
> >>> + then
> >>> + sed -i s\/search\/"search extra"\/
> >>> /etc/depmod.d/ubuntu.conf
> >>> + /sbin/depmod -a
> >>> + fi
> >>> + fi
> >>> + }
> >>
> >>I wonder about the details of this particular fix. Usually, when there
> >>is a configuration file in a .d directory, like depmod.d, it is possible
> >>to add more files to the same directory that also get used for
> >>configuration. When that works, it is usually better to add files to
> >>the directory rather than changing existing files, because it behaves
> >>better on upgrade. So, in this case, I wonder whether it is possible to
> >>add a new file that would have something like:
> >>
> >> search extra
>
> This works if put in a separate file such as
> /etc/depmod.d/ovs-search-path.conf
> or something else. Suggested names are welcome. It also works if the
> instructions already in place to create the /etc/depmod.d/openvswitch.conf
> file are amended so that the first line of the file is 'search extra'.
>
> Like this:
>
> search extra
> override * * extra
> override * * weak-updates
I forgot we already had instructions for that. It seems easiest to just
add the extra line there, then.
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