[ale] server crash

[matty91 at bellsouth.net]

I ran into an issue with some of the init scripts using "ulimit -S -c 0."
This prevented daemons from dumping core when critical problems were
encountered. I see why they do it, but I like to get core files for
debugging purposes :)

- Ryan

On Mon, 17 Nov 2003, Chris Coleman wrote:

> Whether or not core dump files will be created is determined by the ulimit command in /etc/profile. In RH9 it appears the core files are disabled by default. The command used in /etc/profile is ulimit -S -c 0 > /dev/null 2>&1. By changing 0 to a size or the keyword unlimited should create a dump file. This dump file should survive a system reboot.
>
>
> Chris Coleman
>
> -----Original Message-----
> From: Keith Hopkins [mailto:hne at hopnet.net]
> Sent: Monday, November 17, 2003 11:45 AM
> To: Atlanta Linux Enthusiasts
> Subject: Re: [ale] server crash
>
>
> James P. Kinney III wrote:
> > On Mon, 2003-11-17 at 09:57, Stuffed Crust wrote:
> >
> >>On Mon, Nov 17, 2003 at 09:58:26AM -0500, Jeff Hubbs wrote:
> >>
> >>>Speaking only academically, I don't see how it could!
> >>>
> >>>On Mon, 2003-11-17 at 09:32, James P. Kinney III wrote:
> >>>
> >>>>When a linux box drops core into /proc/kcore, will that file survive a
> >>>>reboot? I was _looking_ at /proc when the coredump happened!
> >>
> >>/proc/kcore is a "live" image of the kernel, in the form of a coredump
> >>file.  It's used in conjuction with gdb to debug a running system.
> >>
> >>The file isn't preserved across reboots, it's simply always there. :)
> >
> > arrggghhhh!
> > I really needed that core file to try and decode the what is happening.
> > This machine has a history of being cranky. There is a kernel patch for
> > making tombstones but it is not available for the kernel version being
> > used.
> >
>
> Have you considered something like the Kernel State Tracer http://sourceforge.net/projects/lkst/ or,
> ( Core Dumps http://oss.missioncriticallinux.com/projects/mcore/ or Crash Dumps http://oss.sgi.com/projects/lkcd/ ) and Core Analysis http://oss.missioncriticallinux.com/projects/crash/
>
> --
> Lost in Tokyo,
>   Keith
>
>
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Ryan Matteson - UNIX Administrator | GPG ID: 92D5DFFF
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