[Spice-devel] libspice-server segfault

[Christophe Fergeau]

Hi,

On Mon, Dec 14, 2015 at 02:59:39PM +0000, Daniel Sanabria wrote:
> On a Fedora23 host while running a Fedora23 guest I'm getting the following
> more or less frequently:
> 
> Dec 13 20:07:19 lamachine kernel: qemu-system-x86[12029]: segfault at 523c
> ip 00007f65e6c2ca62 sp 00007f64ccbfe6c8 error 4 in libspice
> server.so.1.10.0[7f65e6c12000+120000]
> 
> This seems to happen randomly while connected to the guest with
> remote-viewer and while browsing the web using google-chrome on the guest.
> 
> What do you suggest as the next steps to take to troubleshoot this issue?

Most useful would be a reliable way to reproduce it (ie follow these
steps -> crash).
Short of that, I'd install qemu debugging information (dnf
debuginfo-install qemu), then connect a gdb instance to qemu after
starting the VM (gdb --pid $(pidof qemu-system-x86_64) and type
'continue' at gdb prompt), and finally grab a backtrace once you've
managed to reproduce the crash ('thread apply all bt' at gdb prompt).

You can bug all this information in a fedora bug on bugzilla.redhat.com.

Christophe
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