Re: Octopus upgrade breaks Ubuntu 18.04 libvirt

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On Tue, Jul 7, 2020 at 11:07 AM Andrei Mikhailovsky <andrei@xxxxxxxxxx> wrote:
>
> I've left the virsh pool-list command 'hang' for a while and it did eventually get the results back. In about 4 hours!

Perhaps enable the debug logging of libvirt [1] to determine what it's
spending its time on?

> root@ais-cloudhost1:/home/andrei# time virsh pool-list
>  Name                 State      Autostart
> -------------------------------------------
>  12ca033f-e673-4060-8db9-909d79650f39 active     no
>  bcc753c6-e47a-3b7c-904a-fcc1d0a594c5 active     no
>  cf771bc7-8998-354d-8e10-5564585a3c20 active     no
>  d8d5ec36-3cb0-39af-8fc6-084a4abd5d28 active     no
>
>
> real    234m23.877s
> user    0m0.351s
> sys     0m0.506s
>
>
>
> The second attempt was a mere 2 hours with a bit.
>
>
> root@ais-cloudhost1:/home/andrei# time virsh pool-list
>  Name                 State      Autostart
> -------------------------------------------
>  12ca033f-e673-4060-8db9-909d79650f39 active     no
>  bcc753c6-e47a-3b7c-904a-fcc1d0a594c5 active     no
>  cf771bc7-8998-354d-8e10-5564585a3c20 active     no
>  d8d5ec36-3cb0-39af-8fc6-084a4abd5d28 active     no
>
>
> real    148m54.763s
> user    0m0.241s
> sys     0m0.304s
>
>
>
> Am I the only person having these issues with libvirt and Octopus release?
>
> Cheers
>
> ----- Original Message -----
> > From: "Andrei Mikhailovsky" <andrei@xxxxxxxxxx>
> > To: "ceph-users" <ceph-users@xxxxxxx>
> > Sent: Monday, 6 July, 2020 19:27:25
> > Subject:  Re: Octopus upgrade breaks Ubuntu 18.04 libvirt
>
> > A quick update.
> >
> > I have done a fresh install of the CloudStack host server running Ubuntu 18.04
> > with the latest updates. I've installed ceph 12.x and connected it to
> > Cloudstack which uses kvm/libvirt/ceph/rbd. The rest of the ceph services
> > (mon,mgr,osd,etc) are all running 15.2.3. Works like a charm.
> >
> > As soon as I've updated the host server to version 15.2.3, Libvirt stopped
> > working. It just hangs without doing much it seems. Common commands like 'virsh
> > pool-list' or 'virsh list' are just hanging. I've strace the process and it
> > just doesn't show any activity.
> >
> >
> > 2020-07-06 18:18:36.930+0000: 3273: info : virEventPollUpdateTimeout:265 :
> > EVENT_POLL_UPDATE_TIMEOUT: timer=993 frequen
> > cy=5000
> > 2020-07-06 18:18:36.930+0000: 3273: debug : virEventPollUpdateTimeout:282 : Set
> > timer freq=5000 expires=1594059521930
> > 2020-07-06 18:18:36.930+0000: 3273: debug : virEventPollInterruptLocked:722 :
> > Skip interrupt, 1 140123172218240
> > 2020-07-06 18:18:36.930+0000: 3273: info : virEventPollUpdateHandle:152 :
> > EVENT_POLL_UPDATE_HANDLE: watch=1004 events=1
> > 2020-07-06 18:18:36.930+0000: 3273: debug : virEventPollInterruptLocked:722 :
> > Skip interrupt, 1 140123172218240
> > 2020-07-06 18:18:36.930+0000: 3273: debug : virEventPollCleanupTimeouts:525 :
> > Cleanup 8
> > 2020-07-06 18:18:36.930+0000: 3273: debug : virEventPollCleanupHandles:574 :
> > Cleanup 22
> > 2020-07-06 18:18:36.930+0000: 3273: debug : virEventRunDefaultImpl:324 : running
> > default event implementation
> > 2020-07-06 18:18:36.930+0000: 3273: debug : virEventPollCleanupTimeouts:525 :
> > Cleanup 8
> > 2020-07-06 18:18:36.930+0000: 3273: debug : virEventPollCleanupHandles:574 :
> > Cleanup 22
> > 2020-07-06 18:18:36.931+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=0 w=1, f=5 e=1 d=0
> > 2020-07-06 18:18:36.931+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=1 w=2, f=7 e=1 d=0
> > 2020-07-06 18:18:36.931+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=2 w=3, f=10 e=1 d=0
> > 2020-07-06 18:18:36.931+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=3 w=4, f=11 e=1 d=0
> > 2020-07-06 18:18:36.931+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=4 w=5, f=12 e=1 d=0
> > 2020-07-06 18:18:36.931+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=5 w=6, f=13 e=1 d=0
> > 2020-07-06 18:18:36.931+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=6 w=7, f=14 e=1 d=0
> > 2020-07-06 18:18:36.931+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=7 w=8, f=15 e=1 d=0
> > 2020-07-06 18:18:36.931+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=8 w=9, f=16 e=1 d=0
> > 2020-07-06 18:18:36.931+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=9 w=10, f=17 e=1 d=0
> > 2020-07-06 18:18:36.931+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=10 w=11, f=18 e=1 d=0
> >
> > 2020-07-06 18:18:36.932+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=11 w=12, f=19 e=0 d=0
> > 2020-07-06 18:18:36.932+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=12 w=13, f=19 e=1 d=0
> > 2020-07-06 18:18:36.932+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=13 w=14, f=24 e=1 d=0
> > 2020-07-06 18:18:36.932+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=14 w=15, f=25 e=1 d=0
> > 2020-07-06 18:18:36.932+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=15 w=19, f=26 e=1 d=0
> > 2020-07-06 18:18:36.932+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=16 w=82, f=79 e=1 d=0
> > 2020-07-06 18:18:36.932+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=17 w=944, f=22 e=1 d=0
> > 2020-07-06 18:18:36.932+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=18 w=993, f=82 e=1 d=0
> > 2020-07-06 18:18:36.932+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=19 w=1001, f=30 e=1 d=0
> > 2020-07-06 18:18:36.932+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=20 w=1002, f=33 e=1 d=0
> > 2020-07-06 18:18:36.932+0000: 3273: debug : virEventPollMakePollFDs:401 :
> > Prepare n=21 w=1004, f=83 e=1 d=0
> > 2020-07-06 18:18:36.933+0000: 3273: debug : virEventPollCalculateTimeout:338 :
> > Calculate expiry of 8 timers
> > 2020-07-06 18:18:36.933+0000: 3273: debug : virEventPollCalculateTimeout:346 :
> > Got a timeout scheduled for 1594059521930
> > 2020-07-06 18:18:36.933+0000: 3273: debug : virEventPollCalculateTimeout:359 :
> > Schedule timeout then=1594059521930 now=1594059516933
> > 2020-07-06 18:18:36.933+0000: 3273: debug : virEventPollCalculateTimeout:369 :
> > Timeout at 1594059521930 due in 4997 ms
> > 2020-07-06 18:18:36.933+0000: 3273: info : virEventPollRunOnce:640 :
> > EVENT_POLL_RUN: nhandles=21 timeout=4997
> >
> >
> > The ceph itself seems to work, i.e. I can execute ceph -s / rbd -p <pool> ls -l,
> > etc. That produces the output. It's just the libvirt seems to be no joy.
> >
> > The version of libvirt installed is:
> >
> > libvirt-bin             4.0.0-1ubuntu8.1
> >
> >
> >
> > Any idea how I can make ceph Octopus to play nicely with libvirt?
> >
> > Cheers
> >
> > Andrei
> >
> > ----- Original Message -----
> >> From: "Andrei Mikhailovsky" <andrei@xxxxxxxxxx>
> >> To: "ceph-users" <ceph-users@xxxxxxx>
> >> Sent: Monday, 29 June, 2020 20:40:01
> >> Subject:  Octopus upgrade breaks Ubuntu 18.04 libvirt
> >
> >> Hello,
> >>
> >> I've upgraded ceph to Octopus (15.2.3 from repo) on one of the Ubuntu 18.04 host
> >> servers. The update caused problem with libvirtd which hangs when it tries to
> >> access the storage pools. The problem doesn't exist on Nautilus. The libvirtd
> >> process simply hangs. Nothing seem to happen. The log file for the libvirtd
> >> shows:
> >>
> >> 2020-06-29 19:30:51.556+0000: 12040: debug : virNetlinkEventCallback:707 :
> >> dispatching to max 0 clients, called from event watch 11
> >> 2020-06-29 19:30:51.556+0000: 12040: debug : virNetlinkEventCallback:720 : event
> >> not handled.
> >> 2020-06-29 19:30:51.556+0000: 12040: debug : virNetlinkEventCallback:707 :
> >> dispatching to max 0 clients, called from event watch 11
> >> 2020-06-29 19:30:51.556+0000: 12040: debug : virNetlinkEventCallback:720 : event
> >> not handled.
> >> 2020-06-29 19:30:51.557+0000: 12040: debug : virNetlinkEventCallback:707 :
> >> dispatching to max 0 clients, called from event watch 11
> >> 2020-06-29 19:30:51.557+0000: 12040: debug : virNetlinkEventCallback:720 : event
> >> not handled.
> >> 2020-06-29 19:30:51.591+0000: 12040: debug : virNetlinkEventCallback:707 :
> >> dispatching to max 0 clients, called from event watch 11
> >> 2020-06-29 19:30:51.591+0000: 12040: debug : virNetlinkEventCallback:720 : event
> >> not handled.
> >>
> >> Running strace on the libvirtd process shows:
> >>
> >> root@ais-cloudhost1:/home/andrei# strace -p 12040
> >> strace: Process 12040 attached
> >> restart_syscall(<... resuming interrupted poll ...>
> >>
> >>
> >> Nothing happens after that point.
> >>
> >> The same host server can get access to the ceph cluster and the pools by running
> >> ceph -s or rbd -p <pool> ls -l commands for example.
> >>
> >> Need some help to get the host servers working again with Octopus.
> >>
> >> Cheers
> >> _______________________________________________
> >> ceph-users mailing list -- ceph-users@xxxxxxx
> >> To unsubscribe send an email to ceph-users-leave@xxxxxxx
> > _______________________________________________
> > ceph-users mailing list -- ceph-users@xxxxxxx
> > To unsubscribe send an email to ceph-users-leave@xxxxxxx
> _______________________________________________
> ceph-users mailing list -- ceph-users@xxxxxxx
> To unsubscribe send an email to ceph-users-leave@xxxxxxx
>

[1] https://wiki.libvirt.org/page/DebugLogs

-- 
Jason
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