Re: [Xen-devel] The segmentfault when using xl create domU

[Wei Huang <w1.huang@xxxxxxxxxxx>]

On 04/16/2014 04:21 AM, Ian Campbell wrote:
> On Tue, 2014-04-15 at 17:07 -0500, Wei Huang wrote:
> > > It's a compiler bug. For some reasons gcc doesn't generate the right assembly
> > > when -O1 is specified on the command line. Which version of gcc do you 
> > > use(4.7.*?)?
> > > Which distribution are you using?
> > > Can you also call disas the crash and copy the output?
> > >
> > > Gcc 4.8 doesn't seem to be affected.
> > >
> > > FYI, I got this output from 4.7 with Linaro Ubuntu raring (gcc 4.7.3).
> > > [...]
> > I saw the same thing on my system and ack'ed that this is compiler
> > related. My compiler is 4.7.3. I was able to fix it with the following hack:
> Are you also using the Linaro compiler by any chance?
I think so. Here is the GCC --version info:
arm-linux-gnueabihf-gcc (Ubuntu/Linaro 4.7.3-1ubuntu1) 4.7.3

> I've added warnings to
> http://wiki.xen.org/wiki/Xen_ARM_with_Virtualization_Extensions/CrossCompiling
> and
> http://wiki.xen.org/wiki/Xen_ARM_with_Virtualization_Extensions#Building_Xen_on_ARM

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