Bootup: cannot execute /etc/rc.d/rc.sysinit

[VB]

--- Rick Stevens <rstevens at vitalstream.com> wrote:
> VB wrote:
> > --- Rick Stevens <rstevens at vitalstream.com> wrote:
> > 
> >>VB wrote:
> >>
> >>>--- Chris Hewitt <g0pae at manordat.demon.co.uk>
> >>
> >>wrote:
> >>
> >>>>VB wrote:
> >>>>
> >>>>
> >>>>
> >>>>>Hi,
> >>>>>I just modified my /etc/rc.d/rc.sysinit since
> >>
> >>I've
> >>
> >>>>>been having problems with the 2.6.3 kernel. 
> Now
> >>
> >>on
> >>
> >>>>>bootup I can't execute the /etc/rc.d/rc.sysinit
> >>>>
> >>>>file
> >>>>
> >>>>
> >>>>>(that's what the kernel tells me on
> >>>>
> >>>>bootup)...assuming
> >>>>
> >>>>
> >>>>>the file has some syntax error or something, as
> >>
> >>the
> >>
> >>>>>file is executable.
> >>>>>
> >>>>>I have a backup of a working copy and the
> >>
> >>"broken"
> >>
> >>>>>copy both on a floppy and on the linux
> partition,
> >>>>
> >>>>how
> >>>>
> >>>>
> >>>>>can I boot an alternate /etc/rc.d/rc.sysinit?
> how
> >>>>
> >>>>can
> >>>>
> >>>>
> >>>>>I verify the correctness of a modified
> >>>>>/etc/rc.d/rc.sysinit? I'm using grub, RH9 and
> >>
> >>FC1.
> >>
> >>>>If you boot from the first installation CD and
> put
> >>>>"linux rescue" in at 
> >>>>the boot prompt you will end up with your linux
> >>
> >>root
> >>
> >>>>system mounted 
> >>>>under /mnt/sysimage. From there you can swap
> over
> >>>>your working and 
> >>>>non-working /etc/rc.d/rc.sysinit (which would
> now
> >>
> >>be
> >>
> >>>>/mnt/sysimaage/etc/rc.d/rc.sysinit).
> >>>>
> >>>>Hope this helps
> >>>>
> >>>>Chris
> >>>>
> >>>
> >>>
> >>>Is there a way I can verify my modified
> rc.sysinit
> >>>file? i.e. check if there are syntactic errors?
> >>
> >>Not really.  There's no syntax checker in the
> manner
> >>of "perl -c" for
> >>Bourne (sh) or Bourne Again (bash) scripts.  You
> >>have to know the
> >>syntax.
> >>
> >>
> >>>If there were syntactic errors, would that cause
> >>
> >>the
> >>
> >>>kernel to tell me it can't execute
> >>
> >>/etc/rc.d/rc.sysinit?
> >>
> >>It depends on what the actual error message is. 
> Is
> >>it "no such file"?
> >>Is it "rc.sysinit:somenumber error message"? 
> That'd
> >>be a big help.
> > 
> > 
> > A big help follows:
> > INIT: Cannot execute "/etc/rc.d/rc.sysinit"
> 
> Uhm, stupid question...did the root filesystem mount
> OK?  If it didn't,
> that message is the last one that's spit out before
> it dies.
> 

I'm pretty sure the root filesystem mounted.  Since
you say if it didn't the message above would have been
the last one printed and I get through more of the
boot process. The last message I see is "Starting
system message bus..." and then the screen flickers
for a while.  I'm guessing these are failed attempts
to start X (gdm).

Also, I was told that using 'bash -n' will do a weak
syntax checking on the rc.sysinit file.  It gave me an
error that I couldn't track down right away, but I'll
look again when I have time.


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