Re: [Qemu-devel] Hang when using 9p mounts after last Seabios update

[Kevin O'Connor]

On Thu, Sep 22, 2011 at 12:45:11PM +0100, Daniel P. Berrange wrote:
> I'm doing some experimentation with application sandboxing and running
> QEMU with the following command line:
> 
>   exec $QEMU \
>     -m 64 \
>     -nographic \
>     -nodefconfig \
>     -nodefaults \
>     -kernel ./kernel-2.6.40.4-5.fc15.x86_64 \
>     -initrd ./initrd-2.6.40.4-5.fc15.x86_64 \
>     -append 'init=/bin/sh console=ttyS0 debug' \
>     -fsdev local,security_model=passthrough,id=fsdev-fs0,path=/ \
>     -device 
> virtio-9p-pci,id=fs0,fsdev=fsdev-fs0,mount_tag=org.virttools.sandbox:/ \
>     -serial stdio
> 
> On 0.14, 0.15 releaes, this all works just fine. On current GIT master,
> the guest OS will hang during boot.
[...]

> I further bisected SeaBios between their 0.6.2 release and the changeset
> mentioned above, and got to this changeset in SeaBios:
> 
> 
>   commit 01a5c8813b2e709809c07c5d7fab9d1c3ddb4989
>   Author: Gerd Hoffmann <address@hidden>
>   Date:   Mon Jul 11 09:20:29 2011 +0200

Gerd, any thoughts on what could cause this?

-Kevin