Daniel P. Berrange wrote:
> On Wed, Jun 17, 2009 at 05:51:27PM -0400, Jim Paris wrote:
> > Daniel P. Berrange wrote:
> > 17:34:59.360: debug : call:6947 : Doing call 70 (nil)
> > 17:34:59.360: debug : call:7017 : We have the buck 70 0xbccef0 0xbccef0
> > 17:34:59.433: debug : processCallRecvLen:6605 : Got length, now need 128 total (124 more)
> > 17:34:59.434: debug : processCalls:6873 : Giving up the buck 70 0xbccef0 (nil)
> > 17:34:59.434: debug : call:7048 : All done with our call 70 (nil) 0xbccef0
> > 17:34:59.434: error : server_error:7231 : authentication failed
> > 17:35:13.585: debug : do_open:999 : driver 4 remote returned ERROR
> > 17:35:13.585: debug : virUnrefConnect:232 : unref connection 0xbc6a60 1
> > 17:35:13.585: debug : virReleaseConnect:191 : release connection 0xbc6a60
> >
> > If I kill the libvirtd process on the server, the client then finally prints:
> >
> > error: authentication failed
> > error: failed to connect to the hypervisor
> >
> > and the client then exits.
>
> Ok, this bit definitely sounds like a server side bug, unless
> perhaps there is some buffering taking place in ssh or nc
> causing the errore reply packet to not be send back promptly
I'll try to get some better traces of what's going on here.
> > The hang aside, it seems libvirtd should be using
> > org.libvirt.unix.monitor for the readonly connection?
>
> In this case the problem is that the remote client end is using
> netcat on the wrong UNIX socket.
Thanks, that's it. With the attached patch on the client side,
virsh --readonly and virt-viewer work fine over qemu+ssh://.
-jim
--- libvirt-0.6.4-orig/src/remote_internal.c 2009-05-29 10:55:26.000000000 -0400
+++ libvirt-0.6.4/src/remote_internal.c 2009-06-17 18:21:34.000000000 -0400
@@ -700,7 +700,10 @@
cmd_argv[j++] = strdup (priv->hostname);
cmd_argv[j++] = strdup (netcat ? netcat : "nc");
cmd_argv[j++] = strdup ("-U");
- cmd_argv[j++] = strdup (sockname ? sockname : LIBVIRTD_PRIV_UNIX_SOCKET);
+ cmd_argv[j++] = strdup (sockname ? sockname :
+ (flags & VIR_CONNECT_RO
+ ? LIBVIRTD_PRIV_UNIX_SOCKET_RO
+ : LIBVIRTD_PRIV_UNIX_SOCKET));
cmd_argv[j++] = 0;
assert (j == nr_args);
for (j = 0; j < (nr_args-1); j++)
--
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