Bug 839984
| Summary: | [PATCH sysfs] kernel cannot rename network interfaces | ||||||
|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Kontantin Khlebnikov <khlebnikov> | ||||
| Component: | kernel | Assignee: | John Greene <jogreene> | ||||
| Status: | CLOSED ERRATA | QA Contact: | Weibing Zhang <atzhang> | ||||
| Severity: | unspecified | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 6.3 | CC: | agospoda, atzhang, chorn, khorenko, kzhang, nhorman, ypei | ||||
| Target Milestone: | rc | ||||||
| Target Release: | --- | ||||||
| Hardware: | Unspecified | ||||||
| OS: | Unspecified | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | kernel-2.6.32-328.el6 | Doc Type: | Bug Fix | ||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | |||||||
| : | 1090442 (view as bug list) | Environment: | |||||
| Last Closed: | 2013-02-21 06:40:13 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: | |||||||
| Bug Depends On: | |||||||
| Bug Blocks: | 1090442 | ||||||
| Attachments: |
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added suggested patch. Basic test on ppc64 (which has the device) didn't reproduce failure but this seems prudent to include. Created task: 4887556 Task info: http://brewweb.devel.redhat.com/brew/taskinfo?taskID=4887556 retest of fix works fine, i.e.
[root@ibm-js22-vios-02-lp1 ~]# ip l
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
link/ether ea:07:96:9e:2b:04 brd ff:ff:ff:ff:ff:ff
3: veth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether b6:02:c5:8a:23:51 brd ff:ff:ff:ff:ff:ff
4: veth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 62:87:c3:df:1f:5a brd ff:ff:ff:ff:ff:ff
[root@ibm-js22-vios-02-lp1 ~]# ip link set dev veth0 name veth2
[root@ibm-js22-vios-02-lp1 ~]# ip l
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
link/ether ea:07:96:9e:2b:04 brd ff:ff:ff:ff:ff:ff
3: veth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether b6:02:c5:8a:23:51 brd ff:ff:ff:ff:ff:ff
4: veth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 62:87:c3:df:1f:5a brd ff:ff:ff:ff:ff:ff
[root@ibm-js22-vios-02-lp1 ~]# ip link set dev veth1 name veth3
[root@ibm-js22-vios-02-lp1 ~]# ip l
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
link/ether ea:07:96:9e:2b:04 brd ff:ff:ff:ff:ff:ff
3: veth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether b6:02:c5:8a:23:51 brd ff:ff:ff:ff:ff:ff
4: veth3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 62:87:c3:df:1f:5a brd ff:ff:ff:ff:ff:ff
[root@ibm-js22-vios-02-lp1 ~]# ip link set dev veth3 name veth5
[root@ibm-js22-vios-02-lp1 ~]# ip l
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
link/ether ea:07:96:9e:2b:04 brd ff:ff:ff:ff:ff:ff
3: veth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether b6:02:c5:8a:23:51 brd ff:ff:ff:ff:ff:ff
4: veth5: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 62:87:c3:df:1f:5a brd ff:ff:ff:ff:ff:ff
[root@ibm-js22-vios-02-lp1 ~]# ip link set dev veth2 name veth4
[root@ibm-js22-vios-02-lp1 ~]# ip l
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
link/ether ea:07:96:9e:2b:04 brd ff:ff:ff:ff:ff:ff
3: veth4: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether b6:02:c5:8a:23:51 brd ff:ff:ff:ff:ff:ff
4: veth5: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 62:87:c3:df:1f:5a brd ff:ff:ff:ff:ff:ff
[root@ibm-js22-vios-02-lp1 ~]# ip link set dev veth0 name veth9
Cannot find device "veth0"
[root@ibm-js22-vios-02-lp1 ~]# ip link set dev veth4 name veth0
[root@ibm-js22-vios-02-lp1 ~]# ip link set dev veth5 name veth1
[root@ibm-js22-vios-02-lp1 ~]# ip l
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
link/ether ea:07:96:9e:2b:04 brd ff:ff:ff:ff:ff:ff
3: veth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether b6:02:c5:8a:23:51 brd ff:ff:ff:ff:ff:ff
4: veth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 62:87:c3:df:1f:5a brd ff:ff:ff:ff:ff:ff
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux release for currently deployed products. This request is not yet committed for inclusion in a release. Patch(es) available on kernel-2.6.32-328.el6 [root@ibm-x3650m4-04 ~]# ip l
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
4: eth4: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 00:10:18:e8:2a:20 brd ff:ff:ff:ff:ff:ff
5: eth5: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN qlen 1000
link/ether 00:10:18:e8:2a:22 brd ff:ff:ff:ff:ff:ff
6: eth6: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
link/ether 6c:ae:8b:36:cd:4a brd ff:ff:ff:ff:ff:ff
7: eth7: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 6c:ae:8b:36:cd:4b brd ff:ff:ff:ff:ff:ff
8: eth8: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 6c:ae:8b:36:cd:4c brd ff:ff:ff:ff:ff:ff
9: eth9: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 6c:ae:8b:36:cd:4d brd ff:ff:ff:ff:ff:ff
10: eth10: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 00:0e:1e:0e:1e:90 brd ff:ff:ff:ff:ff:ff
11: eth11: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 00:0e:1e:0e:1e:94 brd ff:ff:ff:ff:ff:ff
12: eth12: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
link/ether 90:e2:ba:29:c0:ac brd ff:ff:ff:ff:ff:ff
13: eth13: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 90:e2:ba:29:c0:ad brd ff:ff:ff:ff:ff:ff
14: usb0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 6e:ae:8b:36:cd:49 brd ff:ff:ff:ff:ff:ff
17: eth11.3@eth11: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP
link/ether 00:0e:1e:0e:1e:94 brd ff:ff:ff:ff:ff:ff
18: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
link/ether 00:90:fa:13:ca:e4 brd ff:ff:ff:ff:ff:ff
19: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
link/ether 00:90:fa:13:ca:e6 brd ff:ff:ff:ff:ff:ff
[root@ibm-x3650m4-04 ~]# ip link set dev eth12 name eth18
RTNETLINK answers: Device or resource busy
[root@ibm-x3650m4-04 ~]# ip link set dev eth13 name eth18
[root@ibm-x3650m4-04 ~]# ip l
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
4: eth4: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 00:10:18:e8:2a:20 brd ff:ff:ff:ff:ff:ff
5: eth5: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN qlen 1000
link/ether 00:10:18:e8:2a:22 brd ff:ff:ff:ff:ff:ff
6: eth6: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
link/ether 6c:ae:8b:36:cd:4a brd ff:ff:ff:ff:ff:ff
7: eth7: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 6c:ae:8b:36:cd:4b brd ff:ff:ff:ff:ff:ff
8: eth8: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 6c:ae:8b:36:cd:4c brd ff:ff:ff:ff:ff:ff
9: eth9: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 6c:ae:8b:36:cd:4d brd ff:ff:ff:ff:ff:ff
10: eth10: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 00:0e:1e:0e:1e:90 brd ff:ff:ff:ff:ff:ff
11: eth11: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 00:0e:1e:0e:1e:94 brd ff:ff:ff:ff:ff:ff
12: eth12: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
link/ether 90:e2:ba:29:c0:ac brd ff:ff:ff:ff:ff:ff
13: eth18: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 90:e2:ba:29:c0:ad brd ff:ff:ff:ff:ff:ff
14: usb0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 6e:ae:8b:36:cd:49 brd ff:ff:ff:ff:ff:ff
17: eth11.3@eth11: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP
link/ether 00:0e:1e:0e:1e:94 brd ff:ff:ff:ff:ff:ff
18: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
link/ether 00:90:fa:13:ca:e4 brd ff:ff:ff:ff:ff:ff
19: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
link/ether 00:90:fa:13:ca:e6 brd ff:ff:ff:ff:ff:ff
Set 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. http://rhn.redhat.com/errata/RHSA-2013-0496.html |
Created attachment 598042 [details] simplified bug fix Description of problem: # rmmod veth # modprobe veth # ip link add type veth # ip l <snip> 6: veth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 link/ether a2:29:1f:9d:71:25 brd ff:ff:ff:ff:ff:ff 7: veth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 link/ether 4a:8b:af:ea:ab:ab brd ff:ff:ff:ff:ff:ff # ip link set dev veth0 name veth2 # ip link set dev veth1 name veth3 RTNETLINK answers: No such file or directory kernel cannot rename veth1, because it cannot find it in rb-tree (s_dir.children) because tree was corrupted during renaming veth0 into veth2. bug was accidentially fixed in mainline v2.6.33 commit ca1bab38195d66bdf42320a99cc7359434a271d3 Version-Release number of selected component (if applicable): RHEL 6.3 kernel 2.6.32-279.el6.x86_64 How reproducible: 100% Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: