Re: glibc ??

On Fri, Jan 06, 2006 at 08:54:26AM -0800, Juan Carlos Leon wrote:
> Hi Amit, 
> 
> What version of httpd are you using? 

JC --

I'm pretty sure Apache has nothing to do with this -- skunkweb is
dying in the skunklib.normpath function.  You should be able to write
a test script that will fail simply calling normpath in a loop
(running it in swpython or with pylibs on your PYTHONPATH).

The patch, btw, was attached to a previous email to the list.

js
 
> 
> JC
> 
> 
> Amit Khemka <[email protected]> wrote: I am using skunk with pretty much same configuration (FC4, gcc version
> 4.0.0, python ucs4 [I compiled everything on FC4]) and Its working
> preety fine with me :-).
> 
> though I am not proposing a solution, but I guess the problem is not
> with FC4 ... may be that would help diagnosing the issue ..
> 
> cheers,
> amit
> 
> 
> 
> On 1/6/06, Drew Csillag  wrote:
> > Did you recompile *everything* when moving to FC4 or did you copy it from some
> > other previous version of Linux?  I've run into several spooky problems (mostly
> > in relation to using ODBC and Sybase ASA) if I don't recompile for every
> > version of the OS I want to use.  I didn't figure this until much later after I
> > wrote the patch, so you may want to try that too.
> >
> > Cheers,
> > Drew
> >
> > --- Jacob Smullyan  wrote:
> >
> > > On Thu, Jan 05, 2006 at 08:57:34AM -0800, Juan Carlos Leon wrote:
> > > > Hello folks,
> > > >
> > > > Any of you familiar with this error? It comes up
> > > > randomly:
> > >  [snip]
> > > > # *** glibc detected *** /usr/bin/python: free():
> > > > invalid next size (fast): 0x09737598 ***
> > > > ======= Backtrace: =========
> > > > /lib/libc.so.6[0x31b424]
> > > > /lib/libc.so.6(__libc_free+0x77)[0x31b95f]
> > > > /var/skunk/lib/pylibs/skunklib/_normpath.so[0x1137e6]
> > >  [snip]
> > >
> > > > The system is running:
> > > >
> > > > Fedora Core 4
> > > > Apache/2.0.54
> > > > Skunkweb/3.4.0
> > > > Python/2.4.1
> > > >
> > > > Skunkweb was compiled as follows:
> > > >
> > > > ./configure --prefix /var/skunk-3.4.0
> > > > --with-user=apache --with-group=apache
> > > > --with-apxs=/usr/sbin/apxs --enable-so
> > > >
> > > > The modules: autoindex_module and dir_module were
> > > > disabled from Apache 2. It does not work if i enable
> > > > them either.
> > > >
> > > > As I mentioned above this error shows up on the web
> > > > page randomly twice out of ten times it is hit.
> > > >
> > > > Maybe skunkweb is not compatible with Python 2.4.1?
> > >
> > > It works fine with Python 2.4.x in other configurations.  There does
> > > seem to be a problem with FC4 -- Drew reported it a while back and I
> > > will forward his patch to the list in a separate email.  All he is
> > > doing is replacing malloc with alloca, and the problem actually isn't
> > > diagnosed or explained yet.  If his patch solves the problem for you,
> > > though, I'll check it in.  (I probably should have done it before, but
> > > it feel between the cracks.)
> > >
> > > If you want to investigate more fully, some questions for you.  Is FC4
> > > using gcc4, by any chance, or if not, what version?  And how is Python
> > > compiled?  Is it a ucs2 or ucs4 build -- I presume the latter, but to
> > > find out:
> > >
> > >   python -c "import sys; print 'ucs'+'24'[sys.maxunicode>2**16]"
> > >
> > > If you compile your own python (with what compiler, what unicode
> > > settings) does the problem continue?
> > >
> > > I'll send the patch momentarily.
> > >
> > > js
> > >
> > > --
> > > Jacob Smullyan
> > >
> >
> >
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> 
> 
> --
> ----
> Endless the world's turn, endless the sun's spinning
> Endless the quest;
> I turn again, back to my own beginning,
> And here, find rest.
> 
> 

-- 
Jacob Smullyan

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