[lustre-devel] lnet ip2nets option broken in master?
hornc at cray.com
Sat May 25 07:33:02 PDT 2019
I reported this issue in a comment in LU-11838 (https://jira.whamcloud.com/browse/LU-11838?focusedCommentId=244766&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-244766). James is working on patches to fix it.
FWIW, when testing master I've been reverting the following patches to fix this issue for both socklnd and o2iblnd:
d661c584c6 Revert "LU-11838 lnet: change lnet_ipaddr_enumerate() to use for_each_netdev()"
4c681cf4ee Revert "LU-11838 o2iblnd: get IP address more directly."
f4fe014620 Revert "LU-6399 lnet: socket cleanup"
On 5/24/19, 11:28 AM, "lustre-devel on behalf of Degremont, Aurelien" <lustre-devel-bounces at lists.lustre.org on behalf of degremoa at amazon.com> wrote:
I'm doing several tests with LNET and I realized lnet module option 'ip2nets' does not work anymore.
I git-bisected the regression down to:
Author: NeilBrown <neilb at suse.com>
Date: Mon Jan 7 14:23:19 2019 -0500
LU-11838 lnet: change lnet_ipaddr_enumerate() to use for_each_netdev()
Am I doing something wrong? Is that already known and there is some patchs around for it?
Funny thing is that the normal way to use it does not work, but if I specify IP address in the reverse order, it works. (Could be just a side effect/red herring)
Ie: ip2nets="tcp2(eth0) 18.104.22.168". -> ERROR (correct IP)
ip2net="tcp2(eth0) 22.214.171.124" -> OK
I was not able to understand the bug.
If it makes sense, I can open a ticket.
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