On Wed, Oct 14, 2015 at 03:28:24PM -0700, Joe Stringer wrote: > On 14 October 2015 at 15:21, Ben Pfaff <b...@nicira.com> wrote: > > On Tue, Oct 06, 2015 at 04:35:32PM -0700, Saurabh Mohan wrote: > >> On Ubuntu depmod's search priority is configured in /etc/depmod to be > >> updates and then the kernel built-in directory. > >> $ cat /etc/depmod.d/ubuntu.conf > >> search updates ubuntu built-in > >> > >> Thus change the placement of openvswitch.ko under updates/ not > >> kernel/updates. > >> > >> Signed-off-by: Saurabh Mohan <saur...@cplanenetworks.com> > > > > This appears to be correct, but I'm confused about how this could have > > not been noticed for years. Did something change recently? > > We recently changed it from kernel/ to kernel/updates (prior to v2.4 > release), and the commit message suggests it was previously > nondeterministic: > > commit b519432205c36bda5c7331f77a49eaaa919967ad > Author: Ansis Atteka <aatt...@nicira.com> > Date: Tue May 26 16:49:49 2015 -0700 > > debian: install openvswitch kernel module under "updates" directory > > This patch fixes a bug where "modprobe openvswitch" command on Ubuntu > distribution would have sometimes tried to load OVS kernel module that > shipped together with Linux Kernel, even though one had also installed > OVS datapath debian package created with module-assistant. Because of > this issue force-reload-kmod command occasionally malfunctioned and > failed to load the right kernel module. > > This bug happened *occasionally* because the default Ubuntu depmod > configuration in /etc/depmod.d/ubuntu.conf is set to look for kernel > modules first in "updates" directory, then in "ubuntu" directory and > then in other directories. If there were two openvswitch.ko modules > in "other directories", then modprobe would have loaded kernel > module that was nondeterministically listed first by file system.
OK, I understand why it was nondeterministic before, but where does kernel/updates come in then, since it seems to be different from and not as high-priority as "updates"? Does anyone know? Thanks, Ben. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
