After running with the unoptimized packages for a bit, we hit:
https://github.com/openvswitch/ovs/commit/417d7a008b9f280f0e0c603cb6f2871ab75b8d49
some further discussion with upstream would indicate that this is
probably the source of the original problem, but the code optimizer was
concealing
proxied from Joe Stringer@VMware
I wonder if this patch fixes the issue:
https://github.com/openvswitch/ovs/commit/546953509095cec6fad42663b659171618b765d2
Note that the last three lines within the bad_key_len / bad_mask_len
conditional statement are the following:
format_generic_odp_key(ma,
The testing PPA:
https://launchpad.net/~james-page/+archive/ubuntu/openvswitch
has held this patch for a few weeks now - we're running this in our test
cloud and have not seen a recurrence of the problem.
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OK - so I managed to not disable the optimization in January - so the
PPA packages where the same as in the archive.
I've now hit the packaging a bit harder with the noopt flag, and the PPA
has updates which have unoptimized ovs binaries.
Apologies for any confusion caused.
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I am testing the unoptimized version of these and will update this bug report
with any of our findings.
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Title:
I also see alot of:
2015-01-08T13:36:07.822Z|80336|dpif|WARN|system@ovs-system: failed to flow_del
(No such file or directory)
Ubuntu kernel source for reference:
http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-
trusty.git;a=blob;f=net/openvswitch/datapath.c;h=654e058a6e2775f203c785583343cf6180baaacb;hb=HEAD
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Yes I use openvswitch for everything.
I tried to mix br-utils with openvswitch and gave me no goood results.
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Title:
Upstream references:
http://openvswitch.org/pipermail/discuss/2014-December/015931.html
http://openvswitch.org/pipermail/discuss/2014-October/015360.html
Plus comment from Ben (upstream developer):
This backtrace doesn't quite add up.
We can see from frames 4 and 3 that we've got a nonnull
@gad
Does your installation rely on openvswitch management network
connectivity for Ceph RBD access?
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Title:
ovs-vswitchd
Its probably that the fix for bug 1352570 improved the situation (i.e.
occasional rather than regular failures), but it still appears that this
is the same/similar backtrace.
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I've uploaded ovs 2.0.2 packages with the optimizer disabled to:
https://launchpad.net/~james-page/+archive/ubuntu/openvswitch
It would be helpful is someone who see's this regularly could try with
these packages; right now we really need to get a reliable reproducer
for this problem, so that
** Tags added: openstack uosci
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Title:
ovs-vswitchd crashed with SIGSEGV in nl_attr_get_size()
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** Tags added: cts
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Title:
ovs-vswitchd crashed with SIGSEGV in nl_attr_get_size()
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