Re: [stunnel-users] stunnel and syslog

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On 1/18/06, Michal Trojnara <Michal.Trojnara@mobi-com.net> wrote:
>
> On Wednesday 18 of January 2006 15:19, Bart Somers wrote:
> > We recently ran in to a problem using stunnel on our AIX 5.2 machines.
> [cut]
> > stunnel 4.11 on powerpc-ibm-aix5.2.0.0 UCONTEXT+POLL+IPv4 with OpenSSL
> > 0.9.8 05 Jul 2005
>
> I'd try to:
> 1. Upgrade stunnel to version 4.14.
> 2. Try to monitor it with "truss" command.
> 3. Try another threading model
> ./configure --with-threads=3Dmodel
> to select threading model (ucontext/pthread/fork)




I upgraded to 4.14 and builded stunnel with all three threading models:

1) ucontext gave the same problem as the above mentioned 4.11 ucontext
version
2) pthread gave me a strange error during the "./config" phase:

checking pthread.h usability... no
checking pthread.h presence... yes
configure: WARNING: pthread.h: present but cannot be compiled
configure: WARNING: pthread.h: check for missing prerequisite headers?
configure: WARNING: pthread.h: see the Autoconf documentation
configure: WARNING: pthread.h: section "Present But Cannot Be Compiled"
configure: WARNING: pthread.h: proceeding with the preprocessor's result
configure: WARNING: pthread.h: in the future, the compiler will take
precedence
configure: WARNING: ## ------------------------------ ---- ##
configure: WARNING: ## Report this to the stunnel lists. ##
configure: WARNING: ## ---------------------------------- ##
checking for pthread.h... yes

After this, i couldn't build the software in the "make" phase. I'm sorry i
forgot to capture that error, but it came from the pthread.h header file.
I'll capture the entire error next week if you're interested.
For the time being i'm also looking for another build-machine, because i'm
not sure this problem can be caused by an old version of GCC (2.9, shame).

3) the fork option builded nicely, no warnings whatsoever, but has the same
behaviour as the ucontext build, crashes with both syslog and engine=3Dchil
enabled.

I haven't had the possibility to use truss on the binary's, hopelfully i'll
try that next week.

Thanks for your information so far, if i have any news, i'll post it here.

Best regards,

Bart Somers

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<br><br><div><span class=3D"gmail_quote">On 1/18/06, <b class=3D"gmail_send=
ername">Michal Trojnara</b> &lt;<a href=3D"mailto:Michal.Trojnara@mobi-com.=
net">Michal.Trojnara@mobi-com.net</a>&gt; wrote:</span><blockquote class=3D=
"gmail_quote" style=3D"border-left: 1px solid rgb(204, 204, 204); margin: 0=
pt 0pt 0pt 0.8ex; padding-left: 1ex;">
On Wednesday 18 of January 2006 15:19, Bart Somers wrote:<br>&gt; We recent=
ly ran in to a problem using stunnel on our AIX 5.2 machines.<br>[cut]<br>&=
gt; stunnel 4.11 on powerpc-ibm-aix5.2.0.0 UCONTEXT+POLL+IPv4 with OpenSSL
<br>&gt; 0.9.8 05 Jul 2005<br><br>I'd try to:<br>1. Upgrade stunnel to vers=
ion 4.14.<br>2. Try to monitor it with &quot;truss&quot; command.<br>3. Try=
another threading model<br>&nbsp;&nbsp;&nbsp;&nbsp;./configure --with-thre=
ads=3Dmodel<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp ;to select threading mode=
l (ucontext/pthread/fork)
</blockquote><div><br>
<br>
<br>
I upgraded to&nbsp; 4.14 and builded stunnel with all three threading model=
s:<br>
<br>
1) ucontext gave the same problem as the above mentioned 4.11 ucontext vers=
ion<br>
2) pthread gave me a strange error during the &quot;./config&quot;&nbsp; ph=
ase:<br>
<br>
checking pthread.h usability... no<br>
checking pthread.h presence... yes<br>
configure: WARNING: pthread.h: present but cannot be compiled<br>
configure: WARNING: pthread.h: &nbsp; &nbsp; check for missing prerequisite=
headers?<br>
configure: WARNING: pthread.h: see the Autoconf documentation<br>
configure: WARNING: pthread.h: &nbsp; &nbsp; section &quot;Present But Cann=
ot Be Compiled&quot;<br>
configure: WARNING: pthread.h: proceeding with the preprocessor's result<br=
>
configure: WARNING: pthread.h: in the future, the compiler will take<br>
precedence<br>
configure: WARNING: &nbsp; &nbsp; ## ------------------------------
<div id=3D"mb_0">---- ##<br>configure: WARNING: &nbsp; &nbsp; ## Report thi=
s to the stunnel lists. &nbsp;##<br>configure: WARNING: &nbsp; &nbsp; ## --=
-------------------------------- ##<br>checking for pthread.h... yes<br>
<br>
After this, i couldn't build the software in the &quot;make&quot; phase. I'=
m
sorry i forgot to capture that error, but it came from the pthread.h
header file. I'll capture the entire error next week if you're
interested. <br>
For the time being i'm also looking for another build-machine, because
i'm not sure this problem can be caused by an old version of GCC (2.9,
shame).<br>
<br>
3) the fork option builded nicely, no warnings whatsoever, but has the
same behaviour as the ucontext build, crashes with both syslog and
engine=3Dchil enabled.<br>
<br>
I haven't had the possibility to use truss on the binary's, hopelfully i'll=
try that next week.<br>
</div>
&nbsp;</div>Thanks for your information so far, if i have any news, i'll po=
st it here.<br>
<br>
Best regards,<br>
<br>
Bart Somers<br></div>

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