Bug 1341635
| Summary: | IPv6 address not assigned to VLAN subinterface when assigned immediately after device creation | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Jiri Prochazka <jprochaz> | ||||||
| Component: | NetworkManager | Assignee: | Thomas Haller <thaller> | ||||||
| Status: | CLOSED ERRATA | QA Contact: | Desktop QE <desktop-qa-list> | ||||||
| Severity: | medium | Docs Contact: | |||||||
| Priority: | medium | ||||||||
| Version: | 7.2 | CC: | aloughla, atragler, bgalvani, fgiudici, jprochaz, lrintel, rkhan, thaller, vbenes | ||||||
| Target Milestone: | rc | Keywords: | OtherQA | ||||||
| Target Release: | --- | ||||||||
| Hardware: | Unspecified | ||||||||
| OS: | Unspecified | ||||||||
| Whiteboard: | |||||||||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |||||||
| Doc Text: | Story Points: | --- | |||||||
| Clone Of: | Environment: | ||||||||
| Last Closed: | 2016-11-03 19:22:38 UTC | Type: | Bug | ||||||
| Regression: | --- | Mount Type: | --- | ||||||
| Documentation: | --- | CRM: | |||||||
| Verified Versions: | Category: | --- | |||||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||||
| Embargoed: | |||||||||
| Attachments: |
|
||||||||
this is probably due to NetworkManager setting IPv6 addrgenmode to none. You can verify the addrgenmode with `ip -d link` (provided that your iproute2 version supports that). I was unable to reproduce the issue with NetworkManager master and with rhel-7.2 (1.0.6-30). Could you attach a logfile of NetworkManager with debug logging enabled? /etc/NetworkManager/NetworkManager.conf [logging] level=TRACE Thanks. Created attachment 1177241 [details]
NM logfile
Attached is logfile from NM with trace logging level.
Kernel version is -327, NM version is 1.0.6-27.el7
Logfile contains log from this command output:
./script.sh && sleep 1 && ip a && sleep 1 && ip link del p5p1.10_0
where script.sh is script attached to this BZ.
Hi Thomas, as you asked me on IRC, I did try to reproduce bug with recent rhel-7.3 build and newer NetworkManager. With the same steps I did not manage to reproduce the bug, it looks like it's been fixed. distro: RHEL-7.3-20160707.n.0 kernel version: 3.10.0-461.el7.x86_64 NetworkManager version: 1.4.0-0.2.git20160621.072358da.el7 Hi Jiri, thanks! I think we can move the bug to MODIFIED than as the fix has already been included in latest NM for RHEL 7.3. according to comment #4 moving to verified Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHSA-2016-2581.html |
Created attachment 1163599 [details] script with commands for creating VLAN subiface and assignin addresses Description of problem: When we try to create new VLAN subinterface and assign IPv6 address (both actions with ip command) immediately after creation, IPv6 address is not assigned. But when we stop NetworkManager, it works correctly. IPv4 addresses work fine with both NM on and off. Version-Release number of selected component (if applicable): kernel 3.10.0-327.el7.x86_64 NM 1.0.6-27.el7 How reproducible: Bare RHEL7.2 Server installation, run script with commands containing creation of VLAN subinterface and assigning IPv6 address to it Steps to Reproduce: 1. Download and modify attached script (replace card name) 2. Run attached script 3. Run ip a to verify results Actual results: IPv6 address IS NOT assigned on the interface p5p1.10_0 Expected results: IPv6 address IS assigned on the interface p5p1.10_0 Additional info: It is not reproducible on VM We are using NM with option no-auto-default=* in /etc/NetworkManager/NetworkManager.conf, but this shouldn't have any affect (I tried it with and without the option) Tested on: $ hostname wsfd-netdev40.ntdv.lab.eng.bos.redhat.com $ ethtool -i p5p1 driver: ixgbe version: 4.0.1-k-rh7.2 firmware-version: 0x61c10001 bus-info: 0000:05:00.0 supports-statistics: yes supports-test: yes supports-eeprom-access: yes supports-register-dump: yes supports-priv-flags: no