Hi,
I have issues with one host where supervdsm is failing in network_caps.
I see the following trace in the log.
MainProcess|jsonrpc/1::ERROR::2020-01-06
03:01:05,558::supervdsm_server::100::SuperVdsm.ServerCallback::(wrapper) Error
in network_caps
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/vdsm/supervdsm_server.py", line 98, in
wrapper
res = func(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/vdsm/network/api.py", line 56, in
network_caps
return netswitch.configurator.netcaps(compatibility=30600)
File
"/usr/lib/python2.7/site-packages/vdsm/network/netswitch/configurator.py", line
317, in netcaps
net_caps = netinfo(compatibility=compatibility)
File
"/usr/lib/python2.7/site-packages/vdsm/network/netswitch/configurator.py", line
325, in netinfo
_netinfo = netinfo_get(vdsmnets, compatibility)
File "/usr/lib/python2.7/site-packages/vdsm/network/netinfo/cache.py", line
150, in get
return _stringify_mtus(_get(vdsmnets))
File "/usr/lib/python2.7/site-packages/vdsm/network/netinfo/cache.py", line
59, in _get
ipaddrs = getIpAddrs()
File "/usr/lib/python2.7/site-packages/vdsm/network/netinfo/addresses.py",
line 72, in getIpAddrs
for addr in nl_addr.iter_addrs():
File "/usr/lib/python2.7/site-packages/vdsm/network/netlink/addr.py", line
33, in iter_addrs
with _nl_addr_cache(sock) as addr_cache:
File "/usr/lib64/python2.7/contextlib.py", line 17, in __enter__
return self.gen.next()
File "/usr/lib/python2.7/site-packages/vdsm/network/netlink/__init__.py",
line 92, in _cache_manager
cache = cache_allocator(sock)
File "/usr/lib/python2.7/site-packages/vdsm/network/netlink/libnl.py", line
469, in rtnl_addr_alloc_cache
raise IOError(-err, nl_geterror(err))
IOError: [Errno 16] Message sequence number mismatch
A restart of supervdsm will resolve the issue for a period, maybe 24 hours,
then it will occur again. So I'm thinking it's resource exhaustion or a leak
of some kind?
Running 4.2.8.2 with VDSM at 4.20.46.
I've had a look through the bugzilla and can't find an exact match, closest was
this one https://bugzilla.redhat.com/show_bug.cgi?id=1666123 which seems to be
a RHV only fix.
Thanks,
Alan
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