kernel crash ...

Kris Kennaway kris at
Sat Nov 18 11:47:25 PST 2006

On Sat, Nov 18, 2006 at 07:19:02PM +0100, Vincent Blondel wrote:

> > If you don't know about mailwrapper running, that suggests you're not
> > using the system for email processing and it's the nightly admin
> > scripts which are sending mail automatically overnight.
> No I just forgot the existence of mailwrapper but as I said it in my
> last mail /etc/mail/mailer.conf points to /var/qmail/bin/sendmail on my
> machine because qmail is serving SMTP on my web server.


> Concerning nightly scripts, I receive them in my mailbox every
> day/week/month.
> > 
> > I suspect that your mailwrapper executable may be corrupt.  The kernel
> > is supposed to handle this, but you might have discovered a new and
> > better way to corrupt a binary to get it past the existing checks :-)
> Do not forget my original post concerned a kernel panic on process httpd
> so maybe problem does not come from mailwrapper ?

I did forget because it got trimmed somehow :-)

> > If it does, then save a copy of the mailwrapper binary (i.e. don't
> > immediately "fix" it by reinstalling) and make it available so we can
> > see what is wrong with it.
> but I still get a new crash this morning at 09h20 AM and when I try to
> get kgdb running I get hundreds of lines with this ...
>  kgdb: kvm_read: invalid address (0x0)
>  ...

This means you are running it against the wrong kernel.

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