Re: [linux-lvm] More Segfaults with LVM 1.0.1rc3

["Heinz J . Mauelshagen" <mauelshagen@sistina.com>]

On Fri, Oct 05, 2001 at 09:25:56AM +0200, svetljo wrote:
> is gcc-3.0.1 safe, or i should also use "-o0"

Don't have a report for this :-(
Please try it.

> 
> 
> Heinz J . Mauelshagen wrote:
> 
> >Markus,
> >
> >go without optimization "-O0" rather than "-O2" in LVMs configure stript
> >*or* with gcc 2.95.2.
> >
> >On Thu, Oct 04, 2001 at 10:33:43PM +0200, Markus Dobel wrote:
> >
> >>Hi,
> >>
> >>vgextend, vgreduce and lvextend segfaulted for me today, too. I'm using 
> >>
> >>  gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-95)
> >>
> >>which I guess is the reason for those problems.
> >>
> >>For vgextend/vgreduce gdb told me, that in vg_extend_reduce "vg_name"
> >>pointed to 0x1. So i did a little debugging and therefore also
> >>inserting the line:
> >>
> >>int vg_extend ( char *vg_name, pv_t *pv, vg_t *vg) {
> >>   printf("VG Name is %s\n",vg_name ); // this one
> >>   return vg_extend_reduce ( vg_name, pv, vg, VG_EXTEND);
> >>}
> >>
> >>in vg_extend_reduce.c, the same in vg_reduce(). Without changing
> >>anything else, vgextend and vgreduce work for me now.
> >>
> >>
> >>Similar in lv_extend_reduce.c:
> >>
> >>int lv_extend ( vg_t *vg, lv_t *lv, char *lv_name) {
> >>   printf("Extending %s\n", lv_name); // added this line.
> >>   return lv_extend_reduce ( vg, lv, lv_name, LV_EXTEND);
> >>}
> >>
> >>I don't speak C too fluently, and I don't know if printf() does some
> >>implicit casting or something or if it's gcc 2.96, but maybe this
> >>information helps a bit in finding the mistake.
> >>
> >>Regards, Markus
> >>
> >>-- 
> >>Spiegel-Leser wissen mehr. Fuer ein Semester-Abo!
> >>http://www.kawo2.rwth-aachen.de/~mdobel/semesterabo.html
> >>
> >>_______________________________________________
> >>linux-lvm mailing list
> >>linux-lvm@sistina.com
> >>http://lists.sistina.com/mailman/listinfo/linux-lvm
> >>read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html
> >>
> >
> 
> 
> 
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-- 

Regards,
Heinz    -- The LVM Guy --

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen@Sistina.com                           +49 2626 141200
                                                       FAX 924446
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