Re: [Xen-devel] [xen-unstable test] 35257: regressions - FAIL

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Thu, 2015-02-26 at 20:14 +0000, xen.org wrote:
> flight 35257 xen-unstable real [real]
> http://www.chiark.greenend.org.uk/~xensrcts/logs/35257/
> 
> Regressions :-(
> 
> Tests which did not succeed and are blocking,
> including tests which could not be run:
>  test-armhf-armhf-libvirt     12 guest-start.2             fail REGR. vs. 
> 34629

logs:
http://www.chiark.greenend.org.uk/~xensrcts/logs/35257/test-armhf-armhf-libvirt/info.html

http://www.chiark.greenend.org.uk/~xensrcts/logs/35257/test-armhf-armhf-libvirt/12.ts-guest-start.log
        2015-02-23 20:21:48 Z executing ssh ... root@xxxxxxxxxxxxx virsh 
domxml-from-native xen-xl /etc/xen/debian.guest.osstest.cfg > 
/etc/xen/debian.guest.osstest.cfg.xml
        error: failed to connect to the hypervisor
        error: no valid connection
        error: Failed to connect socket to '/var/run/libvirt/libvirt-sock': 
Connection refused

http://www.chiark.greenend.org.uk/~xensrcts/logs/35257/test-armhf-armhf-libvirt/marilith-n4-output-ps_wwwaxf_-eo_pid%2Ctty%2Cstat%2Ctime%2Cnice%2Cpsr%2Cpcpu%2Cpmem%2Cnwchan%2Cwchan%2325%2Cargs
appears to show no libvirtd process.

http://www.chiark.greenend.org.uk/~xensrcts/logs/35257/test-armhf-armhf-libvirt/marilith-n4---var-log-libvirt-libvirtd.log
says:
        2015-02-23 20:13:15.556+0000: 2133: info : libvirt version: 1.2.13
        2015-02-23 20:13:15.556+0000: 2133: error : 
dnsmasqCapsRefreshInternal:726 : Cannot check dnsmasq binary dnsmasq: No such 
file or directory
        2015-02-23 20:13:15.845+0000: 2133: error : 
virFirewallValidateBackend:193 : direct firewall backend requested, but 
/sbin/ebtables is not available: No such file or directory
        
I think these are just spurious.

        2015-02-23 20:13:15.845+0000: 2133: error : virFirewallApply:936 : out 
of memory
        

        2015-02-23 20:13:16.092+0000: 2133: error : virExec:491 : Cannot find 
'pm-is-supported' in path: No such file or directory
        2015-02-23 20:13:16.092+0000: 2133: warning : virQEMUCapsInit:999 : 
Failed to get host power management capabilities
        
As are these two.
        
        2015-02-23 20:13:16.400+0000: 2133: error : virFirewallApply:936 : out 
of memory

Has these OOM messages resulted in libvirtd exiting? I don't see any
evidence of a crash elsewhere in the logs (i.e. no "process segfaulted"
in dmesg, no OOM killing going on etc).

We don't seem to collect dom0 freemem info, but that most likely
wouldn't help given the libvirtd process has exited.

Any ideas where to look next?

Ian.


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