[pypy-dev] Mysterious IndexError in service running with PyPy
hubo
hubo at jiedaibao.com
Tue Dec 19 05:16:28 EST 2017
Thanks, I will try 5.9 and wait for the result
2017-12-19
hubo
发件人:Armin Rigo <armin.rigo at gmail.com>
发送时间:2017-12-18 17:44
主题:Re: [pypy-dev] Mysterious IndexError in service running with PyPy
收件人:"hubo"<hubo at jiedaibao.com>
抄送:"PyPy Developer Mailing List"<pypy-dev at python.org>
Hi Hubo,
On 18 December 2017 at 08:58, hubo <hubo at jiedaibao.com> wrote:
> The services are running with PyPy 5.3.0. I've upgraded a few of them to
> 5.9, but it will take a long time to validate whether this still happens.
The root cause might be some issue with the JIT: if there is a bug
there, then we can get this kind of nonsense-looking result. It is
however completely impossible to know what the issue is just by
looking at the Python code. Usually it takes a lot of efforts inside
gdb to figure these bugs out.
The good news is that these issues are extremely rare: much less than
one per release, in average. It's possible that we fixed a JIT issue
between PyPy 5.3 and PyPy 5.9 and that this issue caused the
misbehavior you're observing. All I can suggest is to continue trying
with PyPy 5.9.
A bientôt,
Armin.
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