Re: [Qemu-ppc] [PULL 00/12] ppc-for-2.12 queue 20180108

[Paolo Bonzini]

On 10/01/2018 02:55, David Gibson wrote:
> On Tue, Jan 09, 2018 at 03:15:25PM +0000, Peter Maydell wrote:
>> On 9 January 2018 at 12:16, David Gibson <address@hidden> wrote:
>>> Thanks.  Even if you can identify which patch it is and we can
>>> postpone that one would be a bug help.
>>
>> Bisection blames this one:
>>
>> address@hidden (1):
>>       target-ppc: optimize cmp translation
> 
> Aha!  Ok, I'll pull that one out until we find a fix.

Richard posted one, it's an ARM32 backend bug.

> [snip]
>> (This is a build for arm32, running in a chroot on an aarch64
>> box, non-debug build.)
> 
> Ah.. but since it's a chroot, still an aarch64 cpu behind it all.

No, it's running 32-bit ARM code.

Paolo

  I
> think the machines I managed to borrow were all much older slower
> really truly arm32 machines, which I guess didn't show the problem.
> 
> Oh.. and probably a debug (default) build as well.
>