Cut a 1.6 release ahead of 2.0?

Robert O'Callahan robert at ocallahan.org
Tue Aug 5 23:20:32 PDT 2014


On Wed, Aug 6, 2014 at 4:30 PM, Robert O'Callahan <robert at ocallahan.org>
wrote:

> On Wed, Aug 6, 2014 at 4:08 PM, Chris Jones <jones.chris.g at gmail.com>
> wrote:
>
>> We've run into a bug that looks like it might require a pretty scary fix,
>> #1262.  Unfortunately this bug is Haswell specific, and AFAIK rr folks
>> don't have easy access to Haswell hardware.
>>
>
> The CPUID undercount bug reproduces on my Ivy Bridge laptop (in VMWare) so
> I can try cutting the rbc slack to 1 and push the patch if that works.
>

Actually it appears that rr in my VM is quite broken not matter what slack
value I use, so I've got some debugging to do...

Rob
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