[ic] Weird problem

[Mike Heins]

Quoting Stefan Hornburg (Racke) (racke at linuxia.de):
> Hello,
> 
> I have a really weird problem with Interchange which refuses to run in
> normal mode but works in debug mode. 
> 
> This is a Debian/Sarge system on an Athlon64 box. Perl and modules
> build unthreaded (as Debian packages), hopefully I didn't miss one
> Interchange uses.
> 
> Starting with the init script / interchange wrapper looks good, but
> the line 
> 
> Interchange server started in UNIX mode(s) (process id 2429)
> 
> is missing and although the process is there, it cannot be accessed.
> 
> Running in debug mode works fine.
> 
> Stracing reveals the following syscalls again and again:
> 
> rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
> rt_sigaction(SIGCHLD, NULL, {SIG_DFL}, 8) = 0
> rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
> nanosleep({1, 0}, {1, 0})               = 0
> semget(182897355688, 182896158548, IPC_CREAT|0x95883000|0654) = -1 EINVAL (Invalid argument)
> 

What is your PERL_SIGNALS mode, normal or "unsafe"?

> Does anyone have a idea which Perl module / part of Interchange calls semget ?
> 
> On another machine with a similar setup (Quad Opteron) there are no such 
> problems.
> 

Looks like a signal interrupt problem to me. I know of no modules that
use semget, but I would suspect DBI.

-- 
Mike Heins
Perusion -- Expert Interchange Consulting    http://www.perusion.com/
phone +1.765.647.1295  tollfree 800-949-1889 <mike at perusion.com>

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