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[linux-lvm] More Segfaults with LVM 1.0.1rc3


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!

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