Red Hat Bugzilla – Bug 860162
cinder's tgt config file causes 'unable to get RDMA device list' error on tgtd startup
Last modified: 2016-04-27 00:18:11 EDT
Description of problem:
cinder runs in rdma mode. This causes cinder to fail to start because tgtd aborts. I believe this then results in compute failing to start because of dependency issues. I would debug further but its midnight and need to hit the rack.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Setup cinder as per https://fedoraproject.org/wiki/QA:Testcase_Create_Cinder_Volumes
2. Note I believe the workaround is incorrect. The path /var/lib/cinder/volumes was not present in my system images and koji does not have a more recent build.
3. I removed this added line and the following happened:
[root@localhost volume]# systemctl status tgtd.service
tgtd.service - tgtd iSCSI target daemon
Loaded: loaded (/usr/lib/systemd/system/tgtd.service; disabled)
Active: failed (Result: core-dump) since Tue, 25 Sep 2012 06:38:01 -0600; 33min ago
Process: 21130 ExecStop=/usr/sbin/tgtadm --op delete --mode system (code=exited, status=0/SUCCESS)
Process: 21126 ExecStop=/usr/sbin/tgt-admin --update ALL -c /dev/null (code=exited, status=0/SUCCESS)
Process: 21124 ExecStop=/usr/sbin/tgtadm --op update --mode sys --name State -v offline (code=exited, status=0/SUCCESS)
Process: 21121 ExecStartPost=/usr/sbin/tgt-admin -e -c $TGTD_CONFIG (code=exited, status=2)
Process: 21119 ExecStartPost=/usr/sbin/tgtadm --op update --mode sys --name State -v offline (code=exited, status=0/SUCCESS)
Process: 21118 ExecStart=/usr/sbin/tgtd -f $TGTD_OPTS (code=dumped, signal=ABRT)
Sep 25 06:38:01 localhost tgtd: librdmacm: couldn't read ABI version.
Sep 25 06:38:01 localhost tgtd: librdmacm: assuming: 4
Sep 25 06:38:01 localhost tgtd: tgtd: iser_ib_init(3376) Failed to i...s?
Sep 25 06:38:01 localhost tgtd: tgtd: work_timer_start(146) use time...er
Sep 25 06:38:01 localhost tgtd: tgtd: bs_init(313) use signalfd noti...on
Sep 25 06:38:01 localhost tgt-admin: Config::General The file "/etc/c....
Sep 25 06:38:01 localhost tgtd: tgtd: iscsi/iser.c:3429: iser_ib_rel...d.
Sep 25 06:38:01 localhost tgtd: CMA: unable to get RDMA device list
Ok, this error seems to be caused by the /etc/tgt/conf.d/cinder.conf file. Removing it fixes the issue
This bug is closely related to bug #858256 and both will probably be resolved together
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