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Message #171678
[Bug 1552788] Re: network lost after large number of reboots
Ok cool, thanks a lot for informing us! Closing this bug on launchpad
then.
** Changed in: ubuntu-z-systems
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1552788
Title:
network lost after large number of reboots
Status in Ubuntu on IBM z Systems:
Invalid
Status in linux package in Ubuntu:
Invalid
Bug description:
---Problem Description---
network lost after large number of reboots (>500)
Contact Information = pschmidt@xxxxxxxxxx
---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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