On Tue, 11 Sep 2018 10:26:02 +0100
Dafna Ron <d...@redhat.com> wrote:

> Hi,
> 
> I have been seeing random failures of tests in different projects
> caused by vdsm monitoring.
> 
> I need someone from vdsm to please help debug this issue.
> 

Petr, is this the same problem like yesterday in

[ovirt-devel] failure in ost test - Invalid argument - help in debugging issue

> From what I can see, the test suspend/resume vm failed because we
> could not query the status of the vm on the host.
> 
> you can see full log from failed tests here:
> 
> https://jenkins.ovirt.org/job/ovirt-master_change-queue-tester/10208/artifact/basic-suite.el7.x86_64/test_logs/basic-suite-master/post-004_basic_sanity.py/
> 
> Here are the errors that I can see in the vdsm which seem to suggest
> that there is an issue getting stats on the vm which was suspended
> and caused the failure of the test:
> 
> 
> 
> 2018-09-11 00:40:05,896-0400 INFO  (monitor/c1fe6e6)
> [storage.StorageDomain] Removing remnants of deleted images []
> (fileSD:734) 2018-09-11 00:40:07,957-0400 DEBUG (qgapoller/1) [vds]
> Not sending QEMU-GA command 'guest-get-users' to
> vm_id='8214433a-f233-4aaa-aeda-2ce1d31c78dc', command is not
> supported (qemuguestagent:192) 2018-09-11 00:40:08,068-0400 DEBUG
> (periodic/3) [virt.sampling.VMBulkstatsMonitor] sampled timestamp
> 4296118.49 elapsed 0.010 acquired True domains all (sampling:443)
> 2018-09-11 00:40:08,271-0400 DEBUG (jsonrpc/1) [jsonrpc.JsonRpcServer]
> Calling 'Image.prepare' in bridge with {u'allowIllegal': True,
> u'storagepoolID': u'e80a56d9-74da-498a-b010-4a9df287f11d', u'imageID':
> u'd4c831e6-02d2-4d89-b516-0ec4597
> 5e024', u'volumeID': u'15b07af1-625b-42e3-b62a-8e7c7a120a56',
> u'storagedomainID': u'f1744940-41b6-4d35-b7bf-870c4e07d995'}
> (__init__:329)
> 
> 
> 2018-09-11 00:40:10,846-0400 DEBUG (vmchannels) [virt.vm]
> (vmId='8214433a-f233-4aaa-aeda-2ce1d31c78dc') Guest connection timed
> out (guestagent:556)
> 2018-09-11 00:40:11,637-0400 DEBUG (jsonrpc/5) [jsonrpc.JsonRpcServer]
> Calling 'Host.getStats' in bridge with {} (__init__:329)
> 2018-09-11 00:40:11,637-0400 INFO  (jsonrpc/5) [api.host] START
> getStats() from=::ffff:192.168.201.4,49184 (api:47)
> 2018-09-11 00:40:11,643-0400 DEBUG (jsonrpc/5) [root] cannot read eth0
> speed (nic:42)
> 2018-09-11 00:40:11,645-0400 DEBUG (jsonrpc/5) [root] cannot read eth1
> speed (nic:42)
> 2018-09-11 00:40:11,647-0400 DEBUG (jsonrpc/5) [root] cannot read eth2
> speed (nic:42)
> 2018-09-11 00:40:11,649-0400 DEBUG (jsonrpc/5) [root] cannot read eth3
> speed (nic:42)
> 2018-09-11 00:40:11,667-0400 INFO  (jsonrpc/5) [api.host] FINISH
> getStats error=[Errno 22] Invalid argument
> from=::ffff:192.168.201.4,49184 (api:51) 2018-09-11 00:40:11,667-0400
> ERROR (jsonrpc/5) [jsonrpc.JsonRpcServer] Internal server error
> (__init__:350) Traceback (most recent call last):
>   File "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line
> 345, in _handle_request
>     res = method(**params)
>   File "/usr/lib/python2.7/site-packages/vdsm/rpc/Bridge.py", line
> 202, in _dynamicMethod
>     result = fn(*methodArgs)
>   File "<string>", line 2, in getStats
>   File "/usr/lib/python2.7/site-packages/vdsm/common/api.py", line
> 49, in method
>     ret = func(*args, **kwargs)
>   File "/usr/lib/python2.7/site-packages/vdsm/API.py", line 1407, in
> getStats
>     multipath=True)}
>   File "/usr/lib/python2.7/site-packages/vdsm/host/api.py", line 49,
> in get_stats
>     decStats = stats.produce(first_sample, last_sample)
>   File "/usr/lib/python2.7/site-packages/vdsm/host/stats.py", line
> 71, in produce
>     stats.update(get_interfaces_stats())
>   File "/usr/lib/python2.7/site-packages/vdsm/host/stats.py", line
> 153, in get_interfaces_stats
>     return net_api.network_stats()
>   File "/usr/lib/python2.7/site-packages/vdsm/network/api.py", line
> 63, in network_stats
>     return netstats.report()
>   File "/usr/lib/python2.7/site-packages/vdsm/network/netstats.py",
> line 31, in report
>     stats = link_stats.report()
>   File "/usr/lib/python2.7/site-packages/vdsm/network/link/stats.py",
> line 41, in report
>     speed = vlan.speed(i.device)
>   File "/usr/lib/python2.7/site-packages/vdsm/network/link/vlan.py",
> line 36, in speed
>     dev_speed = nic.read_speed_using_sysfs(dev_name)
>   File "/usr/lib/python2.7/site-packages/vdsm/network/link/nic.py",
> line 48, in read_speed_using_sysfs
>     s = int(f.read())
> IOError: [Errno 22] Invalid argument
> 2018-09-11 00:40:11,669-0400 INFO  (jsonrpc/5)
> [jsonrpc.JsonRpcServer] RPC call Host.getStats failed (error -32603)
> in 0.03 seconds (__init__:312) 2018-09-11 00:40:14,656-0400 DEBUG
> (jsonrpc/2) [jsonrpc.JsonRpcServer] Calling 'Host.getAllVmStats' in
> bridge with {} (__init__:329) 2018-09-11 00:40:14,657-0400 INFO
> (jsonrpc/2) [api.host] START getAllVmStats() from=::1,46772 (api:47)
> 2018-09-11 00:40:14,659-0400 INFO  (jsonrpc/2) [api.host] FINISH
> getAllVmStats return={'status': {'message': 'Done', 'code': 0},
> 'statsList': (suppressed)} from=::1,46772 (api:53)
> 2018-09-11 00:40:14,660-0400 DEBUG (jsonrpc/2) [jsonrpc.JsonRpcServer]
> Return 'Host.getAllVmStats' in bridge with (suppressed) (__init__:356)
> 2018-09-11 00:40:14,661-0400 INFO  (jsonrpc/2)
> [jsonrpc.JsonRpcServer] RPC call Host.getAllVmStats succeeded in 0.00
> seconds (__init__:312) 2018-09-11 00:40:14,674-0400 DEBUG (jsonrpc/1)
> [jsonrpc.JsonRpcServer] Calling 'Host.getAllVmIoTunePolicies' in
> bridge with {} (__init__:329) 2018-09-11 00:40:14,675-0400 INFO
> (jsonrpc/1) [api.host] START getAllVmIoTunePolicies() from=::1,46772
> (api:47) 2018-09-11 00:40:14,675-0400 INFO  (jsonrpc/1) [api.host]
> FINISH getAllVmIoTunePolicies return={'status': {'message': 'Done',
> 'code': 0}, 'io_tune_policies_dict':
> {'8214433a-f233-4aaa-aeda-2ce1d31c78dc': {'policy': [],
> 'current_values': [{'ioTune': {'write_bytes_sec': 0L,
> 'total_iops_sec': 0L, 'read_iops_sec': 0L, 'read_bytes_sec': 0L,
> 'write_iops_sec': 0L, 'total_bytes_sec': 0L}, 'path':
> '/rhev/data-center/mnt/blockSD/f1744940-41b6-4d35-b7bf-870c4e07d995/images/9a3659dc-339e-4b3f-a1d1-6ee3debb6168/e2570635-a798-4e9e-a0ea-88436d5b296f',
> 'name': 'vda'}]}}} from=::1,46772 (api:53) 2018-09-11
> 00:40:14,675-0400 DEBUG (jsonrpc/1) [jsonrpc.JsonRpcServer] Return
> 'Host.getAllVmIoTunePolicies' in bridge with
> {'8214433a-f233-4aaa-aeda-2ce1d31c78dc': {'policy': [],
> 'current_values': [{'ioTune': {'write_bytes_sec': 0L,
> 'total_iops_sec': 0L, 'read_iops_sec': 0L, 'read_bytes_sec': 0L,
> 'write_iops_sec': 0L, 'total_bytes_sec': 0L}, 'path':
> '/rhev/data-center/mnt/blockSD/f1744940-41b6-4d35-b7bf-870c4e07d995/images/9a3659dc-339e-4b3f-a1d1-6ee3debb6168/e2570635-a798-4e9e-a0ea-88436d5b296f',
> 'name': 'vda'}]}} (__init__:356) 2018-09-11 00:40:14,675-0400 INFO
> (jsonrpc/1) [jsonrpc.JsonRpcServer] RPC call
> Host.getAllVmIoTunePolicies succeeded in 0.00 seconds (__init__:312)
> 2018-09-11 00:40:16,118-0400 DEBUG (jsonrpc/7)
> [jsonrpc.JsonRpcServer] Calling 'Host.getAllVmStats' in bridge with
> {} (__init__:329) 2018-09-11 00:40:16,119-0400 INFO  (jsonrpc/7)
> [api.host] START getAllVmStats() from=::ffff:192.168.201.4,49184
> (api:47) 2018-09-11 00:40:16,121-0400 INFO  (jsonrpc/7) [api.host]
> FINISH getAllVmStats return={'status': {'message': 'Done', 'code':
> 0}, 'statsList': (suppressed)} from=::ffff:192.168.201.4,49184
> (api:53) 2018-09-11 00:40:16,122-0400 DEBUG (jsonrpc/7)
> [jsonrpc.JsonRpcServer] Return 'Host.getAllVmStats' in bridge with
> (suppressed) (__init__:356) 2018-09-11 00:40:16,122-0400 INFO
> (jsonrpc/7) [jsonrpc.JsonRpcServer] RPC call Host.getAllVmStats
> succeeded in 0.01 seconds (__init__:312) 2018-09-11 00:40:17,956-0400
> DEBUG (qgapoller/2) [vds] Not sending QEMU-GA command
> 'guest-get-users' to vm_id='8214433a-f233-4aaa-aeda-2ce1d31c78dc',
> command is not supported (qemuguestagent:192) 2018-09-11
> 00:40:18,025-0400 DEBUG (periodic/3) [virt.periodic] Looking for
> stale paused VMs (periodic:388)
> 
> I can also see this in Super vdsm which may be related but I an not
> 100% sure its related to current issue:
> 
> MainProcess|jsonrpc/2::DEBUG::2018-09-11
> 00:33:20,012::cmdutils::159::root::(exec_cmd) SUCCESS: <err> = '';
> <rc> = 0 ifup/on039d2d88d8ee4::DEBUG::2018-09-11
> 00:33:20,238::cmdutils::159::root::(exec_cmd) FAILED: <err> = 'Running
> scope as unit
> 2f1f417d-85b9-46c0-b7d7-6082836daaae.scope.\n/etc/sysconfig/network-scripts/ifup-eth:
> line 321: 20715 Terminated
>              /sbin/dhclient ${DHCLIENTARGS} ${DEVICE}\nDevice
> "on039d2d88d8ee4" does not exist.\nCannot find device
> "on039d2d88d8ee4"\nDevice "on039d2d88d8ee4" does not exist.\nDevice
> "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d
> 8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\nDevice "on039d2d88d8ee4" does not exist.\nDevice
> "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\nDevice "on039d2d88d8ee4" does not exist.\nDevic
> e "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\nDevice "on039d2d88d8ee4" does not exist.\nDevice
> "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\nDevice "on039d2d88d8ee4" does not
>  exist.\nDevice "on039d2d88d8ee4" does not exist.\nDevice
> "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\nDevice "on039d2d88d8ee4" does not exist.\nDevice
> "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d
> 8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\nDevice "on039d2d88d8ee4" does not exist.\nDevice
> "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\nDevice "on039d2d88d8ee4" does not exist.\nDevic
> e "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\nDevice "on039d2d88d8ee4" does not exist.\nDevice
> "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\nDevice "on039d2d88d8ee4" does not
>  exist.\nDevice "on039d2d88d8ee4" does not exist.\nDevice
> "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\nDevice "on039d2d88d8ee4" does not exist.\nDevice
> "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d
> 8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\nDevice "on039d2d88d8ee4" does not exist.\nDevice
> "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\nDevice "on039d2d88d8ee4" does not exist.\nDevic
> e "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\nDevice "on039d2d88d8ee4" does not exist.\nDevice
> "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\nDevice "on039d2d88d8ee4" does not
>  exist.\nDevice "on039d2d88d8ee4" does not exist.\nDevice
> "on039d2d88d8ee4" does not exist.\nDevice "on039d2d88d8ee4" does not
> exist.\n'; <rc> = 1 ifup/on039d2d88d8ee4::ERROR::2018-09-11
> 00:33:20,238::concurrent::202::root::(run) FINISH thread
> <Thread(ifup/on039d2d88d8ee4, stopped daemon 140281550731008)> failed
> Traceback (most recent call last):
>   File "/usr/lib/python2.7/site-packages/vdsm/common/concurrent.py",
> line 195, in run
>     ret = func(*args, **kwargs)
>   File
> "/usr/lib/python2.7/site-packages/vdsm/network/configurators/ifcfg.py",
> line 948, in _exec_ifup
>     _exec_ifup_by_name(iface.name, cgroup)
>   File
> "/usr/lib/python2.7/site-packages/vdsm/network/configurators/ifcfg.py",
> line 934, in _exec_ifup_by_name
>     raise ConfigNetworkError(ERR_FAILED_IFUP, out[-1] if out else '')
> ConfigNetworkError: (29, '\n')
> 
> 
> thanks,
> Dafna
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