[Stackless] Windows 2.7.6 stability

Richard Tew richard.m.tew at gmail.com
Tue Feb 4 21:10:44 CET 2014


Well, I think Christian was deep into it, and trying to get the PySide
people to do a compatibility patch or something.  Last I recall, from
several months ago.

It is indeed a pity we can't say we're compatible with all Python
extensions, and it would be good to get it fixed.

Cheers,
Richard.

On 2/4/14, Kristján Valur Jónsson <kristjan at ccpgames.com> wrote:
> This is so annoying.  Time for another stab at this problem, perhaps?
>
>> -----Original Message-----
>> From: stackless-bounces at stackless.com [mailto:stackless-
>> bounces at stackless.com] On Behalf Of Richard Tew
>> Sent: 3. febrúar 2014 18:53
>> To: The Stackless Python Mailing List
>> Subject: Re: [Stackless] Windows 2.7.6 stability
>>
>> No, thanks for the suggestion.  But this is definitely PySide and it's
>> modification of the base object type that stackless also modifies.
>>
>> Cheers,
>> Richard.
>>
>> On 2/4/14, Anselm Kruis <a.kruis at science-computing.de> wrote:
>> > Could it be related to the PGO optimised build?
>> > As far as I know, the mainline python installer is build without PGO.
>> > Our installer is build with PGO optimisation.
>> >
>> > Another question: can you try our 2.7.5 build? It is PGO optimized too.
>> >
>> > Cheers
>> >    Anselm
>> >
>> >
>> > Am 03.02.2014 12:13, schrieb Kristján Valur Jónsson:
>> >> Hi.
>> >> Do you get this only with the installed version?
>> >> Could you try replacing it with your own build?  If so, could you go
>> >> into the source code and disable stack spilling ?
>> >> You have to nerf the macro CSTACK_SAVE_NOW.
>> >>
>> >> I saw some mysterious crashes recently in a live build in Shanghai
>> >> that went away when I disabled this.
>> >>
>> >> K
>> >>
>> >>> -----Original Message-----
>> >>> From: stackless-bounces at stackless.com [mailto:stackless-
>> >>> bounces at stackless.com] On Behalf Of Richard Tew
>> >>> Sent: 3. febrúar 2014 03:04
>> >>> To: stackless at stackless.com
>> >>> Subject: [Stackless] Windows 2.7.6 stability
>> >>>
>> >>> Hi,
>> >>>
>> >>> I've got the installer we provide for 2.7.6, on Windows.  And I've
>> >>> been getting lots of non-crashing premature exits:
>> >>>
>> >>> SystemError: unknown opcode
>> >>> XXX lineno: 314, opcode: 0
>> >>>
>> >>> It's not consistently reproducible using running the same code, but
>> >>> can be sometimes, and I'm not using any Stackless features.
>> >>>
>> >>> If I take the mainline python repo and sync to v2.7.6 and generate a
>> >>> dll, and put it in c:\python27, all the problems go away.
>> >>>
>> >>> I thought it might be pyside 1.1.2 which I was using, but upgraded
>> >>> that and the problem remained with pyside 1.2.1.  That's the only
>> >>> external dependency my code uses.
>> >>>
>> >>> Anyone else using this installer?
>> >>>
>> >>> Cheers,
>> >>> Richard.
>> >>>
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