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[libvirt] Failed to to connect socket to '/var/run/libvirt/libvirt-sock': Connection refused



Hi,

I tried to build and run libvirt-1.0.1 on FSL PowerPC platform.
The connection to '/var/run/libvirt/libvirt-sock' is always refused.

# libvirtd -d
# export LIBVIRT_DEBUG=1
# export LIBVIRT_LOG_OUTPUTS="1:file:virsh.log"

# virsh -c qemu:///system list
2013-01-10 04:55:20.409+0000: 2574: info : libvirt version: 1.0.1
2013-01-10 04:55:20.409+0000: 2574: debug : virLogParseOutputs:1288 : outputs=1:file:virsh.log
error: failed to connect to the hypervisor
error: Failed to connect socket to '/var/run/libvirt/libvirt-sock': Connection refused

Exactly it could work with libvirt-0.10.1. Below are the debug messages with both versions.
# cat virsh.log

-------------------------
1). libvirt-1.0.1
-------------------------
<cut>
2013-01-10 06:12:12.107+0000: 2340: debug : do_open:1145 : name "qemu:///system" to URI components:
  scheme qemu
  server (null)
  user (null)
  port 0
  path /system

2013-01-10 06:12:12.107+0000: 2340: debug : do_open:1191 : trying driver 0 (Test) ...
2013-01-10 06:12:12.107+0000: 2340: debug : do_open:1197 : driver 0 Test returned DECLINED
2013-01-10 06:12:12.107+0000: 2340: debug : do_open:1191 : trying driver 1 (OPENVZ) ...
2013-01-10 06:12:12.107+0000: 2340: debug : do_open:1197 : driver 1 OPENVZ returned DECLINED
2013-01-10 06:12:12.107+0000: 2340: debug : do_open:1191 : trying driver 2 (VMWARE) ...
2013-01-10 06:12:12.107+0000: 2340: debug : do_open:1197 : driver 2 VMWARE returned DECLINED
2013-01-10 06:12:12.107+0000: 2340: debug : do_open:1191 : trying driver 3 (VBOX) ...
2013-01-10 06:12:12.107+0000: 2340: debug : do_open:1197 : driver 3 VBOX returned DECLINED
2013-01-10 06:12:12.108+0000: 2340: debug : do_open:1191 : trying driver 4 (remote) ...
2013-01-10 06:12:12.108+0000: 2340: debug : doRemoteOpen:586 : proceeding with name = qemu:///system
2013-01-10 06:12:12.108+0000: 2340: debug : doRemoteOpen:595 : Connecting with transport 1
2013-01-10 06:12:12.108+0000: 2340: debug : doRemoteOpen:671 : Proceeding with sockname /var/run/libvirt/libvirt-sock
2013-01-10 06:12:12.108+0000: 2340: error : virNetSocketNewConnectUNIX:570 : Failed to connect socket to '/var/run/libvirt/libvirt-sock': Connection refused
2013-01-10 06:12:12.108+0000: 2340: debug : virFileClose:72 : Closed fd 7
2013-01-10 06:12:12.108+0000: 2340: debug : virNetClientCloseInternal:698 : client=(nil) wantclose=0
2013-01-10 06:12:12.108+0000: 2340: debug : do_open:1197 : driver 4 remote returned ERROR
2013-01-10 06:12:12.108+0000: 2340: debug : virObjectUnref:135 : OBJECT_UNREF: obj=0x48900648
2013-01-10 06:12:12.108+0000: 2340: debug : virObjectUnref:137 : OBJECT_DISPOSE: obj=0x48900648
2013-01-10 06:12:12.108+0000: 2340: debug : virEventPollAddTimeout:225 : Used 0 timeout slots, adding at least 10 more
2013-01-10 06:12:12.108+0000: 2340: debug : virEventPollInterruptLocked:716 : Interrupting
2013-01-10 06:12:12.108+0000: 2340: debug : virEventPollAddTimeout:248 : EVENT_POLL_ADD_TIMEOUT: timer=1 frequency=0 cb=0x10008624 opa
2013-01-10 06:12:12.108+0000: 2341: debug : virEventPollRunOnce:640 : Poll got 1 event(s)
2013-01-10 06:12:12.108+0000: 2341: debug : virEventPollDispatchTimeouts:425 : Dispatch 1
2013-01-10 06:12:12.108+0000: 2341: debug : virEventPollDispatchTimeouts:448 : EVENT_POLL_DISPATCH_TIMEOUT: timer=1
2013-01-10 06:12:12.108+0000: 2341: debug : virEventPollDispatchHandles:470 : Dispatch 1
2013-01-10 06:12:12.108+0000: 2341: debug : virEventPollDispatchHandles:484 : i=0 w=1
2013-01-10 06:12:12.108+0000: 2341: debug : virEventPollDispatchHandles:498 : EVENT_POLL_DISPATCH_HANDLE: watch=1 events=1
2013-01-10 06:12:12.108+0000: 2341: debug : virEventPollCleanupTimeouts:516 : Cleanup 1
2013-01-10 06:12:12.108+0000: 2341: debug : virEventPollCleanupHandles:564 : Cleanup 1
2013-01-10 06:12:12.108+0000: 2340: debug : virEventPollRemoveTimeout:300 : EVENT_POLL_REMOVE_TIMEOUT: timer=1
2013-01-10 06:12:12.108+0000: 2340: debug : virEventPollInterruptLocked:712 : Skip interrupt, 0 1216382096
<cut>


-------------------------
2). libvirt-0.10.1
-------------------------
<cut>
2013-01-10 06:06:27.275+0000: 2393: debug : do_open:1127 : name "qemu:///system" to URI components:
  scheme qemu
  server (null)
  user (null)
  port 0
  path /system

2013-01-10 06:06:27.275+0000: 2393: debug : do_open:1174 : trying driver 0 (Test) ...
2013-01-10 06:06:27.275+0000: 2393: debug : do_open:1180 : driver 0 Test returned DECLINED
2013-01-10 06:06:27.275+0000: 2393: debug : do_open:1174 : trying driver 1 (OPENVZ) ...
2013-01-10 06:06:27.275+0000: 2393: debug : do_open:1180 : driver 1 OPENVZ returned DECLINED
2013-01-10 06:06:27.275+0000: 2393: debug : do_open:1174 : trying driver 2 (VMWARE) ...
2013-01-10 06:06:27.275+0000: 2393: debug : do_open:1180 : driver 2 VMWARE returned DECLINED
2013-01-10 06:06:27.275+0000: 2393: debug : do_open:1174 : trying driver 3 (VBOX) ...
2013-01-10 06:06:27.275+0000: 2393: debug : do_open:1180 : driver 3 VBOX returned DECLINED
2013-01-10 06:06:27.275+0000: 2393: debug : do_open:1174 : trying driver 4 (remote) ...
2013-01-10 06:06:27.275+0000: 2393: debug : doRemoteOpen:576 : proceeding with name = qemu:///system
2013-01-10 06:06:27.276+0000: 2393: debug : doRemoteOpen:585 : Connecting with transport 1
2013-01-10 06:06:27.276+0000: 2393: debug : doRemoteOpen:661 : Proceeding with sockname /var/run/libvirt/libvirt-sock
2013-01-10 06:06:27.277+0000: 2393: debug : virNetSocketNew:146 : localAddr=0xbff169d4 remoteAddr=0xbff16a58 fd=7 errfd=-1 pid=0
2013-01-10 06:06:27.277+0000: 2393: debug : virObjectNew:110 : OBJECT_NEW: obj=0x48900dc8 classname=virNetSocket
2013-01-10 06:06:27.277+0000: 2393: debug : virNetSocketNew:203 : RPC_SOCKET_NEW: sock=0x48900dc8 fd=7 errfd=-1 pid=0 localAddr=127.0.
2013-01-10 06:06:27.277+0000: 2393: debug : virObjectNew:110 : OBJECT_NEW: obj=0x48900ff8 classname=virNetClient
2013-01-10 06:06:27.277+0000: 2393: debug : virNetClientNew:342 : RPC_CLIENT_NEW: client=0x48900ff8 sock=0x48900dc8
2013-01-10 06:06:27.277+0000: 2393: debug : virObjectRef:168 : OBJECT_REF: obj=0x48900ff8
2013-01-10 06:06:27.277+0000: 2393: debug : virObjectRef:168 : OBJECT_REF: obj=0x48900dc8
2013-01-10 06:06:27.277+0000: 2393: debug : virEventPollInterruptLocked:701 : Interrupting
2013-01-10 06:06:27.277+0000: 2393: debug : virEventPollAddHandle:136 : EVENT_POLL_ADD_HANDLE: watch=2 fd=7 events=1 cb=0xf7bad00 opaq
2013-01-10 06:06:27.277+0000: 2394: debug : virEventPollRunOnce:625 : Poll got 1 event(s)
2013-01-10 06:06:27.277+0000: 2393: debug : virKeepAliveNew:212 : client=0x48900ff8, interval=-1, count=0
<cut>


I checked the source codes of function src/rpc/virnetsocket.c and there's no change on function virNetSocketNewConnectUNIX().


Best Regards,
Olivia



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