[virt-tools-list] Copy/paste problems in SPICE session (remote-viewer)
mlureau at redhat.com
Thu Mar 6 00:40:20 UTC 2014
----- Original Message -----
> Hi all
> I'm trying to track down a copy/paste problem our users experience
> with SPICE sessions from RHEV.
> The problem is well documented in GSS case 01038719.
> I see this problem daily on my Fedora 20 (x86_64) client connecting to
> Windows 7 (32 and 64bit) guests.
> We have a few Windows client users ATM and I haven't heard much from
> them with this problem, however our Windows user base is going to
> triple soon (around June) and I'm keen to have this resolved well
> before that.
But we are talking about the Fedora 20 client atm, right? You just assume the bug would happen with Windows client too?
> In a nutshell, remote-viewer hangs after copy/paste operations in the
> guest. This can be entirely within the guest (i.e. copy text between
> applications such as Eclipse and Toad for Oracle) or copying text from
> the client to the guest. Sometimes the problem is triggered after a
> handful (less than 10) copy pastes, sometimes the problem is not
> exposed after even 20 or 30 copy pastes.
> I have re-produced the problem on RHEL6, RHEL7 beta and Fedora 20.
> virt-viewer 0.5.6, 0.5.7 and 0.6.0.
> Note that I have tried and failed to expose the problem with my Fedora
> client connecting to a RHEL6 guest running the Gnome desktop. I used
> gedit and did approx 70 copy/paste operations with any problems.
Interesting, what virtio and spice agent version have you installed in the Windows guest?
What is the host btw?
> Once the problem is exposed, the remote-viewer window can not be
> closed by clicking the 'X' (close) button on the top right hand
> corner. It can only be closed by killing the process (TERM is
> Are the devs aware of this problem? What can I do to assist in
> tracking this down?
I am not aware of such bug. I guess you should open one.
Could you install debugging symbols and run remote-viewer under gdb, with SPICE_DEBUG=1 ? When it hangs, do "thread apply all bt" and copy paste the last logs and the fullbacktrace. That should help us.
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