Re: [Zope-dev] Memory Leak Problem

2002-03-13 Thread Toby Dickenson
On Tue, 12 Mar 2002 18:38:16 +0100, Oliver Bleutgen [EMAIL PROTECTED] wrote: Acquisition.ImplicitAcquirerWrapper: 42442 That class is used to glue together acquisition content chains. Being top of the list indicates that you have been leaking an acquisition context chain. That doesnt mean

Re: [Zope-dev] Memory Leak Problem

2002-03-13 Thread Oliver Bleutgen
Toby Dickenson wrote: On Tue, 12 Mar 2002 18:38:16 +0100, Oliver Bleutgen [EMAIL PROTECTED] wrote: Acquisition.ImplicitAcquirerWrapper: 42442 That class is used to glue together acquisition content chains. Being top of the list indicates that you have been leaking an acquisition

Re: [Zope-dev] Memory Leak Problem

2002-03-13 Thread Toby Dickenson
On Wed, 13 Mar 2002 11:37:00 +0100, Oliver Bleutgen [EMAIL PROTECTED] wrote: - I did paste only the objects which have such a high count (next one was approx 200). Hmm. Ill have to ponder what that means. - This server (2.3.3) has no special products on it, just 2 Folderish ZClasses, which

Re: [Zope-dev] more on the segfault saga

2002-03-13 Thread Matthew T. Kromer
On Tuesday, March 12, 2002, at 05:08 PM, Leonardo Rochael Almeida wrote: Matthew, thanks for taking the time to gdb the beast with me. Did you come up with any instrumentation I should add to Python or Zope to get what it is that Python is trying to resease twice? If you want, I can

Re: [Zope-dev] Memory Leak Problem

2002-03-13 Thread Andre Schubert
Andre Schubert schrieb: Andy McKay schrieb: Didnt Shane do a leak finder product that can help debug this? http://www.zope.org/Members/hathawsh I will install the LeakFinder product on the server and look what happens If have installed LeakFinder this morning and restarted zope.

[Zope-dev] Re: more on the segfault saga

2002-03-13 Thread Martijn Jacobs
Hello, We also have the problem with zope crashing with segfault 11. I've read al earlier posts on this subject, but couldn't notice anything that could arrange a direct solution, or I should have missed something? The only thing I can try is to describe our situation : - We have a

Re: [Zope-dev] Memory Leak Problem

2002-03-13 Thread Oliver Bleutgen
One more question then I'll shut up ;-). Toby Dickenson wrote: Is there a description somewhere what the basic causes of such leakages are? I.e. only bugs in python c-code/zope c-code? No, its possible for a bug in through-the-web edited dtml to cause this. Waah, this is the first time

Re: [Zope-dev] Memory Leak Problem

2002-03-13 Thread Toby Dickenson
On Wed, 13 Mar 2002 13:46:27 +0100, Oliver Bleutgen [EMAIL PROTECTED] wrote: Waah, this is the first time I hear that. That means that even if zope/python would be bug-free, it's possible to write dtml that causes a leak? Is there a (non-esoteric) example for that? (untested, but the

Re: [Zope-dev] Re: more on the segfault saga

2002-03-13 Thread Leonardo Rochael Almeida
The On Wed, 2002-03-13 at 10:05, Martijn Jacobs wrote: [...] I don't know where to start, because attaching GDB doesn't make any sense, since you have to start zope single threaded (according to Matts Stability Howto) and then no crashes occur. Actually, at least in Linux, with a recent

Re: [Zope-dev] more on the segfault saga

2002-03-13 Thread Leonardo Rochael Almeida
On Wed, 2002-03-13 at 09:09, Matthew T. Kromer wrote: On Tuesday, March 12, 2002, at 05:08 PM, Leonardo Rochael Almeida wrote: Matthew, thanks for taking the time to gdb the beast with me. Did you come up with any instrumentation I should add to Python or Zope to get what it is that

[Zope-dev] where is Zope 2.5.1?

2002-03-13 Thread Andrew Sydelko
I'm curious as to what is holding up Zope 2.5.1? 2.5.1b1 has been out for quite a while now (in Zope time). --andy. ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! **

Re: [Zope-dev] more on the segfault saga

2002-03-13 Thread Shane Hathaway
Leonardo Rochael Almeida wrote: Well, I have the energy, I just don't know where to start. But it's beginning to look like I'll just have to roll up my sleeves and dive in C code to hunt this beast down. And to think that I'd chosen Python as my official programming language to avoid just

RE: [Zope-dev] where is Zope 2.5.1?

2002-03-13 Thread Leonardo Rochael Almeida
On Wed, 2002-03-13 at 13:03, Brian Lloyd wrote: We are trying to get to the bottom of a few straggling instability reports, so we're planning to go ahead with a b2 as soon as we've either a) figured out and fixed them b) figured them out and found it wasn't a Zope core problem or c) decide

Re: [Zope-dev] Re: more on the segfault saga

2002-03-13 Thread Martijn Jacobs
Actually, at least in Linux, with a recent gdb, you can attach gdb to zope in multithread mode. Just take the -t 1 from the command line sugested by the StabilityHOWTO and you're set. Best results are achieved by compiling everything from source (python even, use the

[Zope-dev] Help with DTML-IN statement

2002-03-13 Thread Gary Yee
Hello, I am very new to Zope/DTML and I am a little confused with the operation of the DTML-IN statement. Here is the snippet of code table border=1 width=100%dtml-in expr="( ((1), (1,2),(4,5,6),(7,8,9)) )" tr tddtml-var sequence-item/td /tr/dtml-in/table This code displays the

RE: [Zope-dev] where is Zope 2.5.1?

2002-03-13 Thread Leonardo Rochael Almeida
On Wed, 2002-03-13 at 14:04, Brian Lloyd wrote: The best way to help is to help get this (these) down to a minimal, reproducable test case. The problem is, as far as I could check, the crashes all happen inside the gc, which runs orthogonal to the requests, so getting a reproduceable test

Re: [Zope-dev] Help with DTML-IN statement

2002-03-13 Thread Leonardo Rochael Almeida
Hi Gary, This question is more suited to [EMAIL PROTECTED] instead of [EMAIL PROTECTED], and you should not send html e-mail to any of these two lists, but since we are here... On Wed, 2002-03-13 at 16:13, Gary Yee wrote: Hello, I am very new to Zope/DTML and I am a little confused with

Re: [Zope-dev] more on the segfault saga

2002-03-13 Thread Leonardo Rochael Almeida
I set MALLOC_CHECK_ to 1 and it said it was using the malloc debug hooks, but didn't report anything else before the crashes, so no point in setting it to 2... On Wed, 2002-03-13 at 13:49, Shane Hathaway wrote: Leonardo Rochael Almeida wrote: On Wed, 2002-03-13 at 13:04, Shane Hathaway wrote:

RE: [Zope-dev] where is Zope 2.5.1?

2002-03-13 Thread Andy Dustman
On Wed, 2002-03-13 at 12:04, Brian Lloyd wrote: - Absolutely eliminate SQL db access as a cause (it sounds like we have proof of this now) This sounds like it is not specific to any DA. Is that the case? -- Andy Dustman PGP: 0x930B8AB6 @ .net

RE: [Zope-dev] where is Zope 2.5.1?

2002-03-13 Thread Brian Lloyd
- Absolutely eliminate SQL db access as a cause (it sounds like we have proof of this now) This sounds like it is not specific to any DA. Is that the case? The only one I know of is the MySQL DA, but what I was getting at here was that eliminating ANY sql db access lets us

Re: [Zope-dev] more on the segfault saga

2002-03-13 Thread Leonardo Rochael Almeida
On Wed, 2002-03-13 at 21:30, Matthew T. Kromer wrote: On Wednesday, March 13, 2002, at 10:40 AM, Leonardo Rochael Almeida wrote: What about patching Python to report the freed objects like you mentioned on IRC? Also, how about turning on some flags in gc.seg_debug()? Do you think we