Re: [Qemu-devel] [PULL 26/47] cpu-exec: reset exception_index correctly

[Pavel Dovgaluk]

> From: Eduardo Habkost [mailto:address@hidden
> On Mon, Dec 15, 2014 at 05:38:10PM +0100, Paolo Bonzini wrote:
> > From: Pavel Dovgalyuk <address@hidden>
> >
> > Exception index is reset at every entry at every entry into cpu_exec()
> > function. This may cause missing the exceptions while replaying them.
> > This patch moves exception_index reset to the locations where they are
> > processed.
> >
> > Signed-off-by: Pavel Dovgalyuk <address@hidden>
> > Signed-off-by: Paolo Bonzini <address@hidden>
> 
> x86_64-linux-user is broken after applying this patch:
> 
>   [qemu/(e511b4d...)|BISECTING]$ ./install/bin/qemu-x86_64 /bin/true
>   qemu: uncaught target signal 8 (Floating point exception) - core dumped
>   Floating point exception (core dumped)

I cannot reproduce this bug.
QEMU runs and terminates correctly.
Can you show me call stack for the exception?

Pavel Dovgalyuk