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