Re: [Qemu-devel] TCG optimizations broke ppc64 target

[Stefan Weil]

Am 05.08.2011 05:45, schrieb David Gibson:
> Commit 22613af4a6d9602001e6d0e7b6d98aa40aa018dc 'Add copy and constant
> propagation' seems to break TCG emulation of the ppc64 target, at
> least as we use it on the pseries machine.
>
> After this patch, attempting to boot a kernel results in an abort() a
> short way into the boot:
>
> /home/dwg/ibm/kvm/qemu/tcg/tcg.c:1646: tcg fatal error
> Aborted
>
> I'm not very familiar with TCG - can anyone give me some pointers on
> how to get the information necessary to debug this?

The same bug occurs with x86_64-softmmu, mips64el-softmmu
and mips64-softmmu targets.

See this discussion thread for more information:
http://lists.nongnu.org/archive/html/qemu-devel/2011-08/msg00758.html