FreeTDS Development Group

[Steve Langasek <vorlon AT netexpress.net>]

On Thu, Nov 29, 2001 at 10:07:48AM -0500, Brian Bruns wrote:
> Can you send a stack trace of the segfault?

Incidentally, the fact that the segfault occurs only when running under
mod_perl reminds me of many segfaults involving PHP -- with so many DSOs
running in the same memory space, the whole thing becomes very fragile
if everything hasn't been linked correctly.  I don't think I ever used
DBD::Sybase 0.90; is it possible that this version of the code used 'ld'
for linking instead of 'cc' (a no-no on Linux unless you're a linking
wizard)?

Steve Langasek
postmodern programmer

> > -Configuration-

> > Distribution = SuSE 7.2
> > Driver = freetds 0.52 
> > mod_perl = 1.25
> > Apache = 1.3.19
> > Embedded perl = 5.6.0
> > mod_fastcgi = 2.2.2
> > DBD::Sybase = 0.90

> > mod_perl/perl Environment 

> > DOCUMENT_ROOT = /usr/local/httpd/htdocs
> > GATEWAY_INTERFACE = CGI-Perl/1.1
> > HTTP_ACCEPT = image/gif, image/x-xbitmap, image/jpeg, image/pjpeg,
> > application/vnd.ms-excel, application/msword,
> > application/vnd.ms-powerpoint, */*
> > HTTP_ACCEPT_ENCODING = gzip, deflate
> > HTTP_ACCEPT_LANGUAGE = en-us
> > HTTP_CONNECTION = Keep-Alive
> > HTTP_COOKIE = SITESERVER=ID=e63a763d2dbdca4653b6be8e334beebd
> > HTTP_HOST = server.company.com
> > HTTP_REFERER = http://server.company.com/perl-status
> > HTTP_USER_AGENT = Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)
> > LD_LIBRARY_PATH = :/lib:/usr/local/freetds/lib:/lib:/usr/local/freetds/lib
> > MOD_PERL = mod_perl/1.25
> > PATH = /sbin:/bin:/usr/sbin:/usr/bin
> > PERL_SEND_HEADER = On
> > QAenv = 1
> > QUERY_STRING = env
> > REMOTE_ADDR = 66.54.132.34
> > REMOTE_PORT = 9452
> > REQUEST_METHOD = GET
> > REQUEST_URI = /perl-status?env
> > SCRIPT_FILENAME = /usr/local/httpd/htdocs/perl-status
> > SCRIPT_NAME = /perl-status
> > SERVER_ADDR = 66.54.128.86
> > SERVER_ADMIN = admin AT company.com
> > SERVER_NAME = server.company.com
> > SERVER_PORT = 80
> > SERVER_PROTOCOL = HTTP/1.1
> > SERVER_SIGNATURE = 
> > Apache/1.3.19 Server at server.company.com Port 80


> > SERVER_SOFTWARE = Apache/1.3.19 (Unix)  (SuSE/Linux) mod_perl/1.25
> > mod_throttle/3.0 mod_layout/1.0 mod_fastcgi/2.2.2 mod_dtcl
> > SYBASE = /usr/local/freetds
> > UNIQUE_ID = PAZMrEI2gFYAAChDAGk


> > I am currently experiencing a segmentation fault in freetds.
> > This occurs while running a perl script under the mod_perl and executeing
> > DBI->connect function.  I odd thing is the this only occurs under mod_perl
> > when the exact same script is executed via cgi-bin the segmentation fault
> > does not
> > occur.   I have been debugging this for 3 days now reviewing and
> > rerewieving
> > the configuration and documentation. 

> > Please help,
> > No Body

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