Re: [Qemu-devel] 0.15.0-rc2 (any version past 0.14.1) having issues with SLIRP on Windows XP host

[Blue Swirl]

On Fri, Aug 5, 2011 at 8:09 PM, Kenneth Salerno
<address@hidden> wrote:
> Hi,
>
> I'm not sure if any defaults (build or runtime) have changed since 0.14.1, 
> but I can no longer get the following to work anymore for QEMU versions 
> 0.15.0-rc2 or recent development builds:
>
>  -device e1000,netdev=mynet0 -netdev type=user,id=mynet0 ...
>
> Works great in 0.14.1 however.
>
> From the QEMU console, "info networking" shows the NIC e1000 and the VLAN 
> correctly setup, the guest (RHEL 6.1 x86_64) has its NIC recognized and 
> networking setup, just can't seem to communicate with the gateway (10.0.2.2). 
> The only difference I see in the console is cosmetic (restricted=off rather 
> than restricted=n).
>
> Host OS: Windows XP
> Build env: i686-pc-mingw32-gcc 4.5.2, binutils 2.21.53.20110731 i386pe
> Runtime env: Cygwin 1.7.9 2011-03-29, SDL 1.2.14, mingw32-glib 2.28.1-1,
>             mingw32-gettext 0.18.1-2
> Guest OS: RHEL 6.1
>
> Is it just me?

No, this is fallout from glib use:
http://lists.nongnu.org/archive/html/qemu-devel/2011-08/msg00134.html

The fix is to rewrite structures without using GCC bit fields.