OK, thanks for the update. Will set to Incomplete for now. Once your
investigation is complete, please change the status back to NEW if you
believe there is an OS issue, or Invalid if the issue needs to be
resolved in the VM layer.
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1552788
Title:
network lost after large number of reboots
Status in linux package in Ubuntu:
Incomplete
Bug description:
---Problem Description---
network lost after large number of reboots (>500)
Contact Information = pschm...@de.ibm.com
---uname output---
Linux s8330025 4.4.0-2-generic #16-Ubuntu SMP Thu Jan 28 15:44:18 UTC 2016
s390x s390x s390x GNU/Linux
Machine Type = s390 z/VM Guest
---Steps to Reproduce---
reboot z/VM guest several times >500. After a large number of reboots the
network interfaces doesn't come up any more. The z/VM guest boots fine, unless
the missing network. Impossible to bring up network again manually.
==
Further debug shows that it is the "ip link set enccw0.0.f5f0 up" that
is failing with "RTNETLINK answers: Operation not permitted". Looking
for further debug assistance in determining why the CAP_NET_ADMIN
check for the root user running ip might be failing.
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