[Sugar-devel] xephyr error on Fedora 16

Michael Stone michael at laptop.org
Mon Mar 19 11:48:04 EDT 2012


On Thu, 15 Mar 2012 at 11:08:51 -0300, Manuel Kaufmann <humitos at gmail.com> wrote:
>
> Hello,
>
> After compiling sugar with jhbuild in Fedora 16, I'm tryin to run the
> emulator but I'm getting this error:
>
> "Failed to start server. Please check output above for any message"
>
> A window appears and dissappears twice with the title "Sugar in a
> window" and then this:
>
>  * http://www.diigo.com/item/image/1msf9/rojc?size=o
>
> I'm running Fedora 16 inside a VM with QEMU (kvm).
>
> Do you know what's happening here and how to solve it?

Manuel (and other folks CC'ed),

Based on your screenshot and the fact that you're running Xephyr inside KVM, I
suspect that you're running into the (still open!) Xephyr-in-KVM-segfault bug:

   https://bugs.freedesktop.org/show_bug.cgi?id=32765

in its Fedora form:

   https://bugzilla.redhat.com/show_bug.cgi?id=518960

If I'm right, then you can probably fix the segfault you're seeing with a patch
similar to the one attached to the second ticket.

As for getting this fixed upstream:

   @Matthew: according to bugs.fd.o, #32765 is assigned to you. Are you in fact
     the right owner for this ticket?

   @Keith: in http://patchwork.freedesktop.org/patch/1327/, you asked Ajax for a
     tweak to his patch. Could you please spell out a little bit more explicitly
     what changes are needed, e.g., for those of us who are not yet expert X
     hackers but who might nevertheless be able to rebase, tweak, and test the
     patch...?

   @others -- I've added you to the CC list since you've all been previously
     involved in conversations about this bug...

Regards,

Michael


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