Wido, also minor issue with 0,2.0 java-rados
We still catch:
-storage/ae1b6e5f-f5f4-4abe-aee3-084f2fe71876
2015-11-02 11:41:14,958 WARN [cloud.agent.Agent]
(agentRequest-Handler-4:null) Caught:
java.lang.NegativeArraySizeException
at com.ceph.rbd.RbdImage.snapList(Unknown Source)
at
com.cloud.hypervisor.kvm.storage.LibvirtStorageAdaptor.deletePhysicalDisk(LibvirtStorageAdaptor.java:854)
at
com.cloud.hypervisor.kvm.storage.LibvirtStoragePool.deletePhysicalDisk(LibvirtStoragePool.java:175)
at
com.cloud.hypervisor.kvm.storage.KVMStorageProcessor.deleteVolume(KVMStorageProcessor.java:1206)
at
com.cloud.storage.resource.StorageSubsystemCommandHandlerBase.execute(StorageSubsystemCommandHandlerBase.java:124)
at
com.cloud.storage.resource.StorageSubsystemCommandHandlerBase.handleStorageCommands(StorageSubsystemCommandHandlerBase.java:57)
at
com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1385)
at com.cloud.agent.Agent.processRequest(Agent.java:503)
at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:808)
at com.cloud.utils.nio.Task.run(Task.java:84)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Even with updated lib:
root@ix1-c7-2:/usr/share/cloudstack-agent/lib# ls
/usr/share/cloudstack-agent/lib | grep rados
rados-0.2.0.jar
2015-11-03 11:01 GMT+02:00 Voloshanenko Igor <igor.voloshane...@gmail.com>:
> Wido, it's the main issue. No records at all...
>
>
> So, from last time:
>
>
> 2015-11-02 11:40:33,204 DEBUG [kvm.resource.LibvirtComputingResource]
> (agentRequest-Handler-2:null) Executing: /bin/bash -c free|grep Mem:|awk
> '{print $2}'
> 2015-11-02 11:40:33,207 DEBUG [kvm.resource.LibvirtComputingResource]
> (agentRequest-Handler-2:null) Execution is successful.
> 2015-11-02 11:40:35,316 DEBUG [cloud.agent.Agent]
> (agentRequest-Handler-4:null) Processing command:
> com.cloud.agent.api.GetVmStatsCommand
> 2015-11-02 11:40:35,867 INFO [cloud.agent.AgentShell] (main:null) Agent
> started
> 2015-11-02 11:40:35,868 INFO [cloud.agent.AgentShell] (main:null)
> Implementation Version is 4.5.1
>
> So, almost alsways it's exception after RbdUnprotect then in approx . 20
> minutes - crash..
> Almost all the time - it's happen after GetVmStatsCommand or Disks
> stats... Possible that evil hiden into UpadteDiskInfo method... but i can;t
> find any bad code there (((
>
> 2015-11-03 10:40 GMT+02:00 Wido den Hollander <w...@42on.com>:
>
>>
>>
>> On 03-11-15 01:54, Voloshanenko Igor wrote:
>> > Thank you, Jason!
>> >
>> > Any advice, for troubleshooting....
>> >
>> > I'm looking in code, and right now don;t see any bad things :(
>> >
>>
>> Can you run the CloudStack Agent in DEBUG mode and then see after which
>> lines in the logs it crashes?
>>
>> Wido
>>
>> > 2015-11-03 1:32 GMT+02:00 Jason Dillaman <dilla...@redhat.com
>> > <mailto:dilla...@redhat.com>>:
>> >
>> > Most likely not going to be related to 13045 since you aren't
>> > actively exporting an image diff. The most likely problem is that
>> > the RADOS IO context is being closed prior to closing the RBD image.
>> >
>> > --
>> >
>> > Jason Dillaman
>> >
>> >
>> > ----- Original Message -----
>> >
>> > > From: "Voloshanenko Igor" <igor.voloshane...@gmail.com
>> > <mailto:igor.voloshane...@gmail.com>>
>> > > To: "Ceph Users" <ceph-users@lists.ceph.com
>> > <mailto:ceph-users@lists.ceph.com>>
>> > > Sent: Thursday, October 29, 2015 5:27:17 PM
>> > > Subject: Re: [ceph-users] Cloudstack agent crashed JVM with
>> > exception in
>> > > librbd
>> >
>> > > From all we analyzed - look like - it's this issue
>> > > http://tracker.ceph.com/issues/13045
>> >
>> > > PR: https://github.com/ceph/ceph/pull/6097
>> >
>> > > Can anyone help us to confirm this? :)
>> >
>> > > 2015-10-29 23:13 GMT+02:00 Voloshanenko Igor <
>> > igor.voloshane...@gmail.com <mailto:igor.voloshane...@gmail.com> >
>> > > :
>> >
>> > > > Additional trace:
>> > >
>> >
>> > > > #0 0x00007f30f9891cc9 in __GI_raise (sig=sig@entry=6) at
>> > > > ../nptl/sysdeps/unix/sysv/linux/raise.c:56
>> > >
>> > > > #1 0x00007f30f98950d8 in __GI_abort () at abort.c:89
>> > >
>> > > > #2 0x00007f30f87b36b5 in
>> > __gnu_cxx::__verbose_terminate_handler() () from
>> > > > /usr/lib/x86_64-linux-gnu/libstdc++.so.6
>> > >
>> > > > #3 0x00007f30f87b1836 in ?? () from
>> > > > /usr/lib/x86_64-linux-gnu/libstdc++.so.6
>> > >
>> > > > #4 0x00007f30f87b1863 in std::terminate() () from
>> > > > /usr/lib/x86_64-linux-gnu/libstdc++.so.6
>> > >
>> > > > #5 0x00007f30f87b1aa2 in __cxa_throw () from
>> > > > /usr/lib/x86_64-linux-gnu/libstdc++.so.6
>> > >
>> > > > #6 0x00007f2fddb50778 in ceph::__ceph_assert_fail
>> > > > (assertion=assertion@entry=0x7f2fdddeca05 "sub <
>> m_subsys.size()",
>> > >
>> > > > file=file@entry=0x7f2fdddec9f0 "./log/SubsystemMap.h",
>> > line=line@entry=62,
>> > >
>> > > > func=func@entry=0x7f2fdddedba0
>> > > >
>> >
>> <_ZZN4ceph3log12SubsystemMap13should_gatherEjiE19__PRETTY_FUNCTION__> "bool
>> > > > ceph::log::SubsystemMap::should_gather(unsigned int, int)") at
>> > > > common/assert.cc:77
>> > >
>> > > > #7 0x00007f2fdda1fed2 in ceph::log::SubsystemMap::should_gather
>> > > > (level=<optimized out>, sub=<optimized out>, this=<optimized
>> out>)
>> > >
>> > > > at ./log/SubsystemMap.h:62
>> > >
>> > > > #8 0x00007f2fdda3b693 in ceph::log::SubsystemMap::should_gather
>> > > > (this=<optimized out>, sub=<optimized out>, level=<optimized
>> out>)
>> > >
>> > > > at ./log/SubsystemMap.h:61
>> > >
>> > > > #9 0x00007f2fddd879be in ObjectCacher::flusher_entry
>> > (this=0x7f2ff80b27a0)
>> > > > at
>> > > > osdc/ObjectCacher.cc:1527
>> > >
>> > > > #10 0x00007f2fddd9851d in ObjectCacher::FlusherThread::entry
>> > > > (this=<optimized
>> > > > out>) at osdc/ObjectCacher.h:374
>> > >
>> > > > #11 0x00007f30f9c28182 in start_thread (arg=0x7f2e1a7fc700) at
>> > > > pthread_create.c:312
>> > >
>> > > > #12 0x00007f30f995547d in clone () at
>> > > > ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>> > >
>> >
>> > > > 2015-10-29 17:38 GMT+02:00 Voloshanenko Igor <
>> > igor.voloshane...@gmail.com <mailto:igor.voloshane...@gmail.com>
>> > > > >
>> > > > :
>> > >
>> >
>> > > > > Hi Wido and all community.
>> > > >
>> > >
>> >
>> > > > > We catched very idiotic issue on our Cloudstack installation,
>> > which
>> > > > > related
>> > > > > to ceph and possible to java-rados lib.
>> > > >
>> > >
>> >
>> > > > > So, we have constantly agent crashed (which cause very big
>> > problem for
>> > > > > us...
>> > > > > ).
>> > > >
>> > >
>> >
>> > > > > When agent crashed - it's crash JVM. And no event in logs at
>> all.
>> > > >
>> > >
>> > > > > We enabled crush dump, and after crash we see next picture:
>> > > >
>> > >
>> >
>> > > > > #grep -A1 "Problematic frame" < /hs_err_pid30260.log
>> > > >
>> > >
>> > > > > Problematic frame:
>> > > >
>> > >
>> > > > > C [librbd.so.1.0.0+0x5d681]
>> > > >
>> > >
>> >
>> > > > > # gdb /usr/lib/librbd.so.1.0.0
>> /var/tmp/cores/jsvc.25526.0.core
>> > > >
>> > >
>> > > > > (gdb) bt
>> > > >
>> > >
>> > > > > ...
>> > > >
>> > >
>> > > > > #7 0x00007f30b9a1fed2 in
>> ceph::log::SubsystemMap::should_gather
>> > > > > (level=<optimized out>, sub=<optimized out>, this=<optimized
>> out>)
>> > > >
>> > >
>> > > > > at ./log/SubsystemMap.h:62
>> > > >
>> > >
>> > > > > #8 0x00007f30b9a3b693 in
>> ceph::log::SubsystemMap::should_gather
>> > > > > (this=<optimized out>, sub=<optimized out>, level=<optimized
>> out>)
>> > > >
>> > >
>> > > > > at ./log/SubsystemMap.h:61
>> > > >
>> > >
>> > > > > #9 0x00007f30b9d879be in ObjectCacher::flusher_entry
>> > > > > (this=0x7f2fb4017910)
>> > > > > at
>> > > > > osdc/ObjectCacher.cc:1527
>> > > >
>> > >
>> > > > > #10 0x00007f30b9d9851d in ObjectCacher::FlusherThread::entry
>> > > > > (this=<optimized
>> > > > > out>) at osdc/ObjectCacher.h:374
>> > > >
>> > >
>> >
>> > > > > From ceph code, this part executed when flushing cache
>> > object... And we
>> > > > > don;t
>> > > > > understand why. Becasue we have absolutely different race
>> > condition to
>> > > > > reproduce it.
>> > > >
>> > >
>> >
>> > > > > As cloudstack have not good implementation yet of snapshot
>> > lifecycle,
>> > > > > sometime, it's happen, that some volumes already marked as
>> > EXPUNGED in DB
>> > > > > and then cloudstack try to delete bas Volume, before it's try
>> to
>> > > > > unprotect
>> > > > > it.
>> > > >
>> > >
>> >
>> > > > > Sure, unprotecting fail, normal exception returned back (fail
>> > because
>> > > > > snap
>> > > > > has childs... )
>> > > >
>> > >
>> >
>> > > > > 2015-10-29 09:02:19,401 DEBUG [kvm.resource.KVMHAMonitor]
>> > > > > (Thread-1304:null)
>> > > > > Executing:
>> > > > >
>> >
>> /usr/share/cloudstack-common/scripts/vm/hypervisor/kvm/kvmheartbeat.sh
>> > -i
>> > > > > 10.44.253.13 -p /var/lib/libvirt/PRIMARY -m
>> > > > > /mnt/93655746-a9ef-394d-95e9-6e62471dd39f -h 10.44.253.11
>> > > >
>> > >
>> > > > > 2015-10-29 09:02:19,412 DEBUG [kvm.resource.KVMHAMonitor]
>> > > > > (Thread-1304:null)
>> > > > > Execution is successful.
>> > > >
>> > >
>> > > > > 2015-10-29 09:02:19,554 INFO
>> [kvm.storage.LibvirtStorageAdaptor]
>> > > > > (agentRequest-Handler-5:null) Unprotecting and Removing RBD
>> > snapshots of
>> > > > > image 6789/71b1e2e9-1985-45ca-9ab6-9e5016b86b7c prior to
>> > removing the
>> > > > > image
>> > > >
>> > >
>> > > > > 2015-10-29 09:02:19,571 DEBUG
>> [kvm.storage.LibvirtStorageAdaptor]
>> > > > > (agentRequest-Handler-5:null) Succesfully connected to Ceph
>> > cluster at
>> > > > > cephmon.anolim.net:6789 <http://cephmon.anolim.net:6789>
>> > > >
>> > >
>> > > > > 2015-10-29 09:02:19,608 DEBUG
>> [kvm.storage.LibvirtStorageAdaptor]
>> > > > > (agentRequest-Handler-5:null) Unprotecting snapshot
>> > > > >
>> > cloudstack/71b1e2e9-1985-45ca-9ab6-9e5016b86b7c@cloudstack-base-snap
>> > > >
>> > >
>> > > > > 2015-10-29 09:02:19,627 DEBUG
>> [kvm.storage.KVMStorageProcessor]
>> > > > > (agentRequest-Handler-5:null) Failed to delete volume:
>> > > > > com.cloud.utils.exception.CloudRuntimeException:
>> > > > > com.ceph.rbd.RbdException:
>> > > > > Failed to unprotect snapshot cloudstack-base-snap
>> > > >
>> > >
>> > > > > 2015-10-29 09:02:19,628 DEBUG [cloud.agent.Agent]
>> > > > > (agentRequest-Handler-5:null) Seq 4-1921583831: { Ans: ,
>> MgmtId:
>> > > > > 161344838950, via: 4, Ver: v1, Flags: 10,
>> > > > >
>> >
>>
>> [{"com.cloud.agent.api.Answer":{"result":false,"details":"com.cloud.utils.exception.CloudRuntimeException:
>> > > > > com.ceph.rbd.RbdException: Failed to unprotect snapshot
>> > > > > cloudstack-base-snap","wait":0}}] }
>> > > >
>> > >
>> > > > > 2015-10-29 09:02:25,722 DEBUG [cloud.agent.Agent]
>> > > > > (agentRequest-Handler-2:null) Processing command:
>> > > > > com.cloud.agent.api.GetHostStatsCommand
>> > > >
>> > >
>> > > > > 2015-10-29 09:02:25,722 DEBUG
>> > [kvm.resource.LibvirtComputingResource]
>> > > > > (agentRequest-Handler-2:null) Executing: /bin/bash -c
>> > idle=$(top -b -n 1|
>> > > > > awk -F, '/^[%]*[Cc]pu/{$0=$4; gsub(/[^0-9.,]+/,""); print }');
>> > echo $idle
>> > > >
>> > >
>> > > > > 2015-10-29 09:02:26,249 DEBUG
>> > [kvm.resource.LibvirtComputingResource]
>> > > > > (agentRequest-Handler-2:null) Execution is successful.
>> > > >
>> > >
>> > > > > 2015-10-29 09:02:26,250 DEBUG
>> > [kvm.resource.LibvirtComputingResource]
>> > > > > (agentRequest-Handler-2:null) Executing: /bin/bash -c
>> > freeMem=$(free|grep
>> > > > > cache:|awk '{print $4}');echo $freeMem
>> > > >
>> > >
>> > > > > 2015-10-29 09:02:26,254 DEBUG
>> > [kvm.resource.LibvirtComputingResource]
>> > > > > (agentRequest-Handler-2:null) Execution is successful.
>> > > >
>> > >
>> >
>> > > > > BUT, after 20 minutes - agent crashed... If we remove all
>> > childs and
>> > > > > create
>> > > > > conditions for cloudstack to delete volume - all OK - no agent
>> > crash in
>> > > > > 20
>> > > > > minutes...
>> > > >
>> > >
>> >
>> > > > > We can't connect this action - Volume delete with agent
>> > crashe... Also we
>> > > > > don't understand why +- 20 minutes need to last, and only then
>> > agent
>> > > > > crashed...
>> > > >
>> > >
>> >
>> > > > > From logs, before crash - only GetVMStats... And then - agent
>> > started...
>> > > >
>> > >
>> >
>> > > > > 2015-10-29 09:21:55,143 DEBUG [cloud.agent.Agent]
>> > (UgentTask-5:null)
>> > > > > Sending
>> > > > > ping: Seq 4-1343: { Cmd , MgmtId: -1, via: 4, Ver: v1, Flags:
>> 11,
>> > > > >
>> >
>>
>> [{"com.cloud.agent.api.PingRoutingCommand":{"newStates":{},"_hostVmStateReport":{"i-881-1117-VM":{"state":"PowerOn","host":"
>> > > > > cs2.anolim.net <http://cs2.anolim.net>
>> > "},"i-7-106-VM":{"state":"PowerOn","host":" cs2.anolim.net
>> > <http://cs2.anolim.net>
>> > > > > "},"i-1683-1984-VM":{"state":"PowerOn","host":"
>> cs2.anolim.net
>> > <http://cs2.anolim.net>
>> > > > > "},"i-11-504-VM":{"state":"PowerOn","host":" cs2.anolim.net
>> > <http://cs2.anolim.net>
>> > > > > "},"i-325-616-VM":{"state":"PowerOn","host":" cs2.anolim.net
>> > <http://cs2.anolim.net>
>> > > > > "},"i-10-52-VM":{"state":"PowerOn","host":" cs2.anolim.net
>> > <http://cs2.anolim.net>
>> > > > > "},"i-941-1237-VM":{"state":"PowerOn","host":" cs2.anolim.net
>> > <http://cs2.anolim.net>
>> > > > >
>> >
>>
>> "}},"_gatewayAccessible":true,"_vnetAccessible":true,"hostType":"Routing","hostId":4,"wait":0}}]
>> > > > > }
>> > > >
>> > >
>> > > > > 2015-10-29 09:21:55,149 DEBUG [cloud.agent.Agent]
>> > (Agent-Handler-3:null)
>> > > > > Received response: Seq 4-1343: { Ans: , MgmtId: 161344838950,
>> > via: 4,
>> > > > > Ver:
>> > > > > v1, Flags: 100010,
>> > > > >
>> >
>>
>> [{"com.cloud.agent.api.PingAnswer":{"_command":{"hostType":"Routing","hostId":4,"wait":0},"result":true,"wait":0}}]
>> > > > > }
>> > > >
>> > >
>> > > > > 2015-10-29 09:22:20,755 DEBUG [cloud.agent.Agent]
>> > > > > (agentRequest-Handler-5:null) Processing command:
>> > > > > com.cloud.agent.api.GetVmStatsCommand
>> > > >
>> > >
>> > > > > 2015-10-29 09:23:02,630 INFO [cloud.agent.AgentShell]
>> > (main:null) Agent
>> > > > > started
>> > > >
>> > >
>> > > > > 2015-10-29 09:23:02,632 INFO [cloud.agent.AgentShell]
>> (main:null)
>> > > > > Implementation Version is 4.3.2
>> > > >
>> > >
>> >
>> > > > > Can you please give us direction to go deeper... As we dont
>> > udnerstand
>> > > > > what
>> > > > > happened...
>> > > >
>> > >
>> >
>> > > > > Issue reproducing very easy:
>> > > >
>> > >
>> >
>> > > > > (to speed up delete process we set
>> storage.cleanup.interval=10)
>> > > >
>> > >
>> >
>> > > > > 1. Create Volume
>> > > >
>> > >
>> > > > > 2. Attach it to VM
>> > > >
>> > >
>> > > > > 3. Create snapshot from this volume by hand on ceph
>> > > >
>> > >
>> > > > > 4. Do snap_protect by hand on ceph for snap from previous step
>> > > >
>> > >
>> > > > > 5. Create child via snap clone
>> > > >
>> > >
>> > > > > 6. Deattach volume from VM and delete it
>> > > >
>> > >
>> >
>> > > > > Our problem - that this happen not in such lab situation, but
>> > in real
>> > > > > life...
>> > > >
>> > >
>> >
>> > > _______________________________________________
>> > > ceph-users mailing list
>> > > ceph-users@lists.ceph.com <mailto:ceph-users@lists.ceph.com>
>> > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>> >
>> >
>> >
>> >
>> > _______________________________________________
>> > ceph-users mailing list
>> > ceph-users@lists.ceph.com
>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>> >
>> _______________________________________________
>> ceph-users mailing list
>> ceph-users@lists.ceph.com
>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>
>
>
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