[linux-lvm] segmentation fault problems

[Heinz J . Mauelshagen]

You are suffering from a previously reported compiler flaw.

Regards,
Heinz    -- The LVM Guy --

On Tue, Oct 02, 2001 at 02:18:24PM +0930, Sean Burford wrote:
> Henning Hogue wrote:
> > 
> > I have been having a problem getting the LVM working due to lvcreate causing a
> > segmentation fault when it's run. I am running redhat 7.1 on a SMP system with
> > kernel 2.4.9. I have had the same problem with versions 1.0.1rc2 and the CVS
> > code. A copy of the output from the command /sbin/lvcreate -d -l1000 -ntestlv
> > volume_1  2> debug.out is available at http://www.randomfactor.net/~henning/deb
> > ug.out
> 
> This sounds like the lvcreate problem I am seeing.  I modified
> lvcreate.c to use lv_create_remove() rather than the lv_create() inline,
> as illustrated below, and it worked.
> 
> This suggests a problem with the lv_create() inline in
> lib/lv_create_remove.c.  gdb shows that it is messing up the three
> parameters vg, lv and lv_name.
> 
> *** tools/lvcreate.c    Thu Jul 26 00:22:19 2001
> --- tools.patched/lvcreate.c    Tue Oct  2 14:14:27 2001
> ***************
> *** 788,794 ****
>      /* create it in kernel */
>      if ( opt_v > 0)
>         printf ( "%s -- creating logical volume VGDA in kernel\n", cmd);
> !    if ( ( ret = lv_create ( vg, vg->lv[l], vg->lv[l]->lv_name)) < 0) {
>         fprintf ( stderr,
>                   "%s -- ERROR \"%s\" creating VGDA for \"%s\" in
> kernel\n",
>                           cmd, lvm_error ( ret), lv_name_ptr);
> --- 788,794 ----
>      /* create it in kernel */
>      if ( opt_v > 0)
>         printf ( "%s -- creating logical volume VGDA in kernel\n", cmd);
> !    if ( ( ret = lv_create_remove ( vg, vg->lv[l], vg->lv[l]->lv_name,
> LV_CREATE)) < 0) {
>         fprintf ( stderr,
>                   "%s -- ERROR \"%s\" creating VGDA for \"%s\" in
> kernel\n",
>                           cmd, lvm_error ( ret), lv_name_ptr);
> 
> 
> -- 
> Sean Burford    x34135
> ITS Systems Specialist
> Adelaide University
> 
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> read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html

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