1.0.1-rc4 and kernel 2.4.14

hello all,

i'm setting up LVM on a redhat 7.1 system with kernel 2.4.14. i'm able to use pvcreate to setup either disks, /dev/sdb /dev/sdc or partitions, /dev/sdb1 /dev/sdc1. vgcreate successfully creates the group and activetes the volumes. when i do just about anything else it dumps core. i'm running the command "lvcreate -L5G -ntestlv test", or "vgextend test /dev/sdd" core dump. any of the *display, or vgremove commands run without problem.

i've pretty much been following the how-to as i test LVM. i've compiled lvm into the kernel, i'm not running it as a module. moving to a older version of the kernel is not a problem, i just grap 2.4.14 since it's the latest and the versions above 2.4.9 do not need linux-2.4.*-VFS-lock.patch, all the filesystems on this machine are reiserfs, except /boot. the box itself is an hp lp2000r, 2x933mhz chips, 2Gb ram, 4x18gb sca disks.

any pointers.

Darin Perusich
Unix Systems Administrator
Cognigen Corp.
[email protected]

redhat ships with a buggy compiler,
please rebuild with -O0

L.

Luca Berra -- [email protected]
        Communication Media & Services S.r.l.
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Darin,

Search their BugZilla page for core dump ... you'll find lots of information about compiling LVM without the -O2 option. The problem is a compiler but with GCC 2.96 (I think that was the version).

-- Mitch

this fixed the problem,

thank you

Darin Perusich
Unix Systems Administrator
Cognigen Corp.
[email protected]

Question, if I apply a patch generated off the 1.0.1-rc4 source code, can I stull use the utils from .91beta7, or do I need to upgrade everything?

If the answer is everything, anyone have a .deb laying around? (or at least the debian/ directory that someone who isn't all that familiar with building debian packages yet could use to build a .deb)?

Share and Enjoy. 

others have recommended -g -O0
I succeeded with -O1, with rh 7.1, gcc 2.96-85, using following patch to configure

[root@groucho 1.0.1-rc4]# diff -u configure~ configure

@@ -796,18 +796,26 @@
 
 fi
 
+${CC-cc} -v 2>&1 | grep -l 2.96
+if [ $? = 0 ] ; then
+    echo "this gcc version breaks with -g -O2"
+    optimize=1
+else
+    optimize=2
+fi
+
 echo "$ac_t""$ac_cv_prog_cc_g" 1>&6
 if test "$ac_test_CFLAGS" = set; then
   CFLAGS="$ac_save_CFLAGS"
 elif test $ac_cv_prog_cc_g = yes; then
   if test "$GCC" = yes; then
-    CFLAGS="-g -O2"
+    CFLAGS="-g -O$optimize"
   else
     CFLAGS="-g"
   fi
 else
   if test "$GCC" = yes; then
-    CFLAGS="-O2"
+    CFLAGS="-O$optimize"
   else
     CFLAGS=
   fi

[root@