I don't think we can reproduce this anymore
** Changed in: neutron
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1582807
Title:
neutron-rootwrap-daemon explodes because of misbehaving "ip rule"
Status in neutron:
Invalid
Status in oslo.rootwrap:
New
Bug description:
Somehow, one of my deployments (ubuntu trusty64 based)
root@devstack:~# uname -a
Linux devstack 3.19.0-37-generic #42~14.04.1-Ubuntu SMP Mon Nov 23 15:13:51
UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
results on never-ending output of "ip rule"
# ip rule
0: from all lookup local
0: from all lookup local
0: from all lookup local
0: from all lookup local
[...]
runs for ever... (apparently because of a kernel bug)
As a result of that, when neutron-l3-agent calls "ip rule" via
rootwrap-deamon, the daemon eventually takes all the VM memory, and
explodes.
I believe we should include some sort of limit on the rootwrap-daemon
command response collection to avoid crashing the system on conditions
like this.
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