[libvirt] Libvirt 0.10.0-rc1 segfaults when daemon run as root
Guannan Ren
gren at redhat.com
Mon Aug 27 09:24:48 UTC 2012
On 08/24/2012 08:16 PM, Shawn Furrow wrote:
> Hi all,
>
> For some reason when I run "libvirtd -d" as root it seems to not
> start. I investigate by running "libvirtd -v" as root and I get a
> segfault. Here is the output:
>
> 2012-08-23 19:01:23.237+0000: 27464: info : libvirt version: 0.10.0
> 2012-08-23 19:01:23.237+0000: 27464: error :
> virDriverLoadModule:78 : failed to load module
> /usr/local/lib/libvirt/connection-driver/libvirt_driver_qemu.so
> /usr/local/lib/libvirt/connection-driver/libvirt_driver_qemu.so:
> undefined symbol: virSecurityManagerGetProcessLabel
> 2012-08-23 19:01:23.238+0000: 27464: error :
> virDriverLoadModule:78 : failed to load module
> /usr/local/lib/libvirt/connection-driver/libvirt_driver_lxc.so
> /usr/local/lib/libvirt/connection-driver/libvirt_driver_lxc.so:
> undefined symbol: virSecurityManagerGetProcessLabel
> Caught Segmentation violation dumping internal log buffer:
>
> ====== start of log =====
> 2012-08-23 19:01:23.235+000027464: debug : main:1120 : Decided on
> pid file path '/usr/local/var/run/libvirtd.pid'
> 2012-08-23 19:01:23.235+000027464: debug : main:1130 : Decided on
> socket paths '/usr/local/var/run/libvirt/libvirt-sock' and
> '/usr/local/var/run/libvirt/libvirt-sock-ro'
> 2012-08-23 19:01:23.235+000027464: debug : main:1168 : Ensuring
> run dir '/usr/local/var/run/libvirt' exists
> 2012-08-23 19:01:23.235+000027464: debug :
> virEventRegisterDefaultImpl:204 : registering default event
> implementation
> 2012-08-23 19:01:23.235+000027464: debug :
> virEventPollAddHandle:111 : Used 0 handle slots, adding at least
> 10 more
> 2012-08-23 19:01:23.235+000027464: debug :
> virEventPollInterruptLocked:697 : Skip interrupt, 0 0
> 2012-08-23 19:01:23.236+000027464: debug :
> virEventPollAddHandle:136 : EVENT_POLL_ADD_HANDLE: watch=1 fd=5
> events=1 cb=0x7f323cd415a0 opaque=(nil) ff=(nil)
> 2012-08-23 19:01:23.236+000027464: debug :
> virEventRegisterImpl:177 : addHandle=0x7f323cd423d0
> updateHandle=0x7f323cd414a0 removeHandle=0x7f323cd41360
> addTimeout=0x7f323cd42220 updateTimeout=0x7f323cd415e0
> removeTimeout=0x7f323cd41260
> 2012-08-23 19:01:23.236+000027464: debug : virNetServerNew:407 :
> srv=0xdd8890 refs=1
> 2012-08-23 19:01:23.236+000027464: debug : main:1206 : Dropping
> privileges (if required)
> 2012-08-23 19:01:23.236+000027464: debug :
> virDriverModuleInitialize:53 : Module dir
> /usr/local/lib/libvirt/connection-driver
> 2012-08-23 19:01:23.236+000027464: debug : virDriverLoadModule:66
> : Module load network
> 2012-08-23 19:01:23.236+000027464: debug :
> virRegisterNetworkDriver:564 : registering Network as network driver 4
> 2012-08-23 19:01:23.236+000027464: debug : virDriverLoadModule:66
> : Module load storage
> 2012-08-23 19:01:23.236+000027464: debug :
> virRegisterStorageDriver:624 : registering storage as storage driver 4
> 2012-08-23 19:01:23.236+000027464: debug : virDriverLoadModule:66
> : Module load secret
> 2012-08-23 19:01:23.237+000027464: debug :
> virRegisterSecretDriver:684 : registering secret as secret driver 3
> 2012-08-23 19:01:23.237+000027464: debug : virDriverLoadModule:66
> : Module load nwfilter
> 2012-08-23 19:01:23.237+000027464: debug :
> virRegisterNWFilterDriver:714 : registering nwfilter as network
> filter driver 3
> 2012-08-23 19:01:23.237+000027464: debug : virDriverLoadModule:66
> : Module load qemu
> 2012-08-23 19:01:23.237+000027464: error : virDriverLoadModule:78
> : failed to load module
> /usr/local/lib/libvirt/connection-driver/libvirt_driver_qemu.so
> /usr/local/lib/libvirt/connection-driver/libvirt_driver_qemu.so:
> undefined symbol: virSecurityManagerGetProcessLabel
> 2012-08-23 19:01:23.238+000027464: debug : virDriverLoadModule:66
> : Module load lxc
> 2012-08-23 19:01:23.238+000027464: error : virDriverLoadModule:78
> : failed to load module
> /usr/local/lib/libvirt/connection-driver/libvirt_driver_lxc.so
> /usr/local/lib/libvirt/connection-driver/libvirt_driver_lxc.so:
> undefined symbol: virSecurityManagerGetProcessLabel
> 2012-08-23 19:01:23.238+000027464: debug : virDriverLoadModule:66
> : Module load uml
> 2012-08-23 19:01:23.238+000027464: debug : virRegisterDriver:732 :
> driver=0x7f3232ec7760 name=UML
> 2012-08-23 19:01:23.238+000027464: debug : virRegisterDriver:747 :
> registering UML as driver 6
> 2012-08-23 19:01:23.238+000027464: debug : virDriverLoadModule:66
> : Module load xen
> 2012-08-23 19:01:23.239+000027464: debug : virRegisterDriver:732 :
> driver=0x7f3232caad00 name=Xen
> 2012-08-23 19:01:23.239+000027464: debug : virRegisterDriver:747 :
> registering Xen as driver 7
> 2012-08-23 19:01:23.239+000027464: debug :
> virNetServerProgramNew:63 : prog=0xddca40 refs=1
> 2012-08-23 19:01:23.239+000027464: debug :
> virNetServerProgramRef:84 : prog=0xddca40 refs=2
> 2012-08-23 19:01:23.239+000027464: debug :
> virNetServerProgramNew:63 : prog=0xddcbc0 refs=1
> 2012-08-23 19:01:23.239+000027464: debug :
> virNetServerProgramRef:84 : prog=0xddcbc0 refs=2
> 2012-08-23 19:01:23.239+000027464: debug :
> virEventPollInterruptLocked:697 : Skip interrupt, 0 0
> 2012-08-23 19:01:23.239+000027464: debug :
> virEventPollAddHandle:136 : EVENT_POLL_ADD_HANDLE: watch=2 fd=7
> events=1 cb=0x7f323ce241e0 opaque=0xdd8890 ff=(nil)
> 2012-08-23 19:01:23.239+000027464: debug : main:1257 : Attempting
> to configure auditing subsystem
> 2012-08-23 19:01:23.239+000027464: debug : main:1263 : Proceeding
> without auditing
> 2012-08-23 19:01:23.239+000027464: debug : virHookCheck:119 : No
> hook script /usr/local/etc/libvirt/hooks/daemon
> 2012-08-23 19:01:23.239+000027464: debug : virHookCheck:119 : No
> hook script /usr/local/etc/libvirt/hooks/qemu
> 2012-08-23 19:01:23.239+000027464: debug : virHookCheck:119 : No
> hook script /usr/local/etc/libvirt/hooks/lxc
> 2012-08-23 19:01:23.239+000027464: debug :
> daemonSetupNetworking:464 : Registering unix socket
> /usr/local/var/run/libvirt/libvirt-sock
> 2012-08-23 19:01:23.239+000027464: debug : virNetSocketNew:119 :
> localAddr=0x7fff419bf530 remoteAddr=(nil) fd=9 errfd=-1 pid=0
> 2012-08-23 19:01:23.239+000027464: debug : virNetSocketNew:179 :
> RPC_SOCKET_NEW: sock=0xddcbf0 refs=1 fd=9 errfd=-1 pid=0
> localAddr=127.0.0.1;0, remoteAddr=(null)
> 2012-08-23 19:01:23.239+000027464: debug : virNetSocketRef:713 :
> RPC_SOCKET_REF: sock=0xddcbf0 refs=2
> 2012-08-23 19:01:23.239+000027464: debug :
> virEventPollInterruptLocked:697 : Skip interrupt, 0 0
> 2012-08-23 19:01:23.239+000027464: debug :
> virEventPollAddHandle:136 : EVENT_POLL_ADD_HANDLE: watch=3 fd=9
> events=0 cb=0x7f323ce2ab10 opaque=0xddcbf0 ff=0x7f323ce2ba60
> 2012-08-23 19:01:23.239+000027464: debug :
> daemonSetupNetworking:474 : Registering unix socket
> /usr/local/var/run/libvirt/libvirt-sock-ro
> 2012-08-23 19:01:23.239+000027464: debug : virNetSocketNew:119 :
> localAddr=0x7fff419bf530 remoteAddr=(nil) fd=10 errfd=-1 pid=0
> 2012-08-23 19:01:23.239+000027464: debug : virNetSocketNew:179 :
> RPC_SOCKET_NEW: sock=0xddd430 refs=1 fd=10 errfd=-1 pid=0
> localAddr=127.0.0.1;0, remoteAddr=(null)
> 2012-08-23 19:01:23.239+000027464: debug : virNetSocketRef:713 :
> RPC_SOCKET_REF: sock=0xddd430 refs=2
> 2012-08-23 19:01:23.239+000027464: debug :
> virEventPollInterruptLocked:697 : Skip interrupt, 0 0
> 2012-08-23 19:01:23.239+000027464: debug :
> virEventPollAddHandle:136 : EVENT_POLL_ADD_HANDLE: watch=4 fd=10
> events=0 cb=0x7f323ce2ab10 opaque=0xddd430 ff=0x7f323ce2ba60
> 2012-08-23 19:01:23.239+000027464: debug : virNetServerRef:420 :
> srv=0xdd8890 refs=2
> 2012-08-23 19:01:23.239+000027464: debug :
> virNetlinkEventServiceStart:656 : libnl was not available at build
> time
> 2012-08-23 19:01:23.239+000027464: debug : virNetServerRun:714 :
> srv=0xdd8890 quit=0
> 2012-08-23 19:01:23.239+000027464: debug :
> virEventRunDefaultImpl:244 : running default event implementation
> 2012-08-23 19:01:23.239+000027464: debug :
> virEventPollCleanupTimeouts:501 : Cleanup 0
> 2012-08-23 19:01:23.239+000027464: debug :
> virEventPollCleanupTimeouts:537 : Found 0 out of 0 timeout slots
> used, releasing 0
> 2012-08-23 19:01:23.239+000027464: debug :
> virEventPollCleanupHandles:549 : Cleanup 4
> 2012-08-23 19:01:23.240+000027464: debug :
> virEventPollMakePollFDs:378 : Prepare n=0 w=1, f=5 e=1 d=0
> 2012-08-23 19:01:23.240+000027475: debug : virStateInitialize:798
> : Running global init for Remote state driver
> 2012-08-23 19:01:23.240+000027475: debug : virStateInitialize:798
> : Running global init for Network state driver
> 2012-08-23 19:01:23.240+000027464: debug :
> virEventPollMakePollFDs:378 : Prepare n=1 w=2, f=7 e=1 d=0
> 2012-08-23 19:01:23.240+000027464: debug :
> virEventPollMakePollFDs:378 : Prepare n=2 w=3, f=9 e=0 d=0
> 2012-08-23 19:01:23.240+000027464: debug :
> virEventPollMakePollFDs:378 : Prepare n=3 w=4, f=10 e=0 d=0
> 2012-08-23 19:01:23.240+000027464: debug :
> virEventPollCalculateTimeout:320 : Calculate expiry of 0 timers
> 2012-08-23 19:01:23.240+000027464: debug :
> virEventPollCalculateTimeout:346 : Timeout at 0 due in -1 ms
> 2012-08-23 19:01:23.240+000027464: debug : virEventPollRunOnce:614
> : EVENT_POLL_RUN: nhandles=2 timeout=-1
>
> ====== end of log =====
> Segmentation fault/
>
>
> However, when I run "libvirtd -d" as me, it does not segfault and
> continues running. However I cannot connect to the libvirt-sock
> because it gets created at "$HOME/.cache/libvirt/libvirt-sock" but
> virsh looks for it at "/usr/local/var/run/libvirt-sock".
>
> Here is what I get when I run "libvirtd -v" as me:
>
> 2012-08-23 19:02:15.145+0000: 27483: info : libvirt version: 0.10.0
> 2012-08-23 19:02:15.145+0000: 27483: error :
> virDriverLoadModule:78 : failed to load module
> /usr/local/lib/libvirt/connection-driver/libvirt_driver_qemu.so
> /usr/local/lib/libvirt/connection-driver/libvirt_driver_qemu.so:
> undefined symbol: virSecurityManagerGetProcessLabel
> 2012-08-23 19:02:15.145+0000: 27483: error :
> virDriverLoadModule:78 : failed to load module
> /usr/local/lib/libvirt/connection-driver/libvirt_driver_lxc.so
> /usr/local/lib/libvirt/connection-driver/libvirt_driver_lxc.so:
> undefined symbol: virSecurityManagerGetProcessLabel
>
>
> Any ideas why this is happening? I am on Ubuntu 10.04 running libvirt
> 0.10.0 with qemu-kvm 1.1
>
> Thanks,
> Shawn
>
Sorry, I couldn't reproduce this problem on my machine,
This problem could be reproduced 100 percent.
Could you use gdb for grabbing backtrace?
Guannan Ren
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