Stock 2.4.16 and 1.0.1-rc4 LVM runing on RedHat 7.2 ( egcs 2.96 I read this post: http://lists.sistina.com/pipermail/linux-lvm/2001-September/008980.html About rc2 having same issue. I compiled and patched with the patch mentioned in that post and it seems to be working. heres the stack info for rc4: [root@vader 1.0.1-rc2]# gdb lvcreate <snip> (gdb) r -L 15G -n data vgData Starting program: /sbin/lvcreate -L 15G -n data vgData Program received signal SIGSEGV, Segmentation fault. lv_create (vg=0x6, lv=0xbffffa44, lv_name=0xbffffa60 "\206ûÿ¿\236ûÿ¿ûÿ¿Âûÿ¿Úûÿ¿üûÿ¿\eüÿ¿'üÿ¿1üÿ¿ôýÿ¿\023þÿ¿-þÿ¿Bþÿ¿Yþÿ¿dþÿ¿wþÿ¿\204þÿ¿\214þÿ¿\234þÿ¿ªþÿ¿¸þÿ¿Éþÿ¿×þÿ¿ùþÿ¿\022ÿÿ¿\035ÿÿ¿'ÿÿ¿Zÿÿ¿Úÿÿ¿") at lv_create_remove.c:42 42 int lv_create ( vg_t *vg, lv_t *lv, char *lv_name) { (gdb) info stack #0 lv_create (vg=0x6, lv=0xbffffa44, lv_name=0xbffffa60 "\206ûÿ¿\236ûÿ¿ûÿ¿Âûÿ¿Úûÿ¿üûÿ¿\eüÿ¿'üÿ¿1üÿ¿ôýÿ¿\023þÿ¿-þÿ¿Bþÿ¿Yþÿ¿dþÿ¿wþÿ¿\204þÿ¿\214þÿ¿\234þÿ¿ªþÿ¿¸þÿ¿Éþÿ¿×þÿ¿ùþÿ¿\022ÿÿ¿\035ÿÿ¿'ÿÿ¿Zÿÿ¿Úÿÿ¿") at lv_create_remove.c:42 #1 0x0804b03d in strcpy () #2 0x4007e507 in __libc_start_main (main=0x8049390 <strcpy+384>, argc=6, ubp_av=0xbffffa44, init=0x8048e88 <_init>, fini=0x804b4d0 <_fini>, rtld_fini=0x4000dc14 <_dl_fini>, stack_end=0xbffffa3c) at ../sysdeps/generic/libc-start.c:129 (gdb) I will compile with debuging if it will help. Thanks! -- Jesse Nelson