Description of problem:

When performing an upgrade of the following products, I got the below error.

Dependencies Resolved

=============================================================================
 Package                 Arch       Version          Repository        Size
=============================================================================
Installing:
 kernel-xen-hypervisor   i686       2.6.15-1.2009.4.2_FC5  development        14 M
Updating:
 kudzu                   i386       1.2.33-1         development       281 k
Removing:
 kernel-xen-hypervisor   i686       2.6.15-1.1977_FC5  installed          39 M



Running Transaction
  Updating  : kudzu                        ######################### [1/4]
  Cleanup   : kudzu                        ######################### [2/4]
  Installing: kernel-xen-hypervisor        ######################### [3/4]
*** glibc detected *** /sbin/grubby: munmap_chunk(): invalid pointer: 0xbfa57a40 ***
======= Backtrace: =========
/lib/i686/nosegneg/libc.so.6(__libc_free+0x17b)[0xc5d0c0]
/sbin/grubby[0x804fd12]
/sbin/grubby[0x804fe73]
/sbin/grubby[0x8050c9e]
/lib/i686/nosegneg/libc.so.6(__libc_start_main+0xdc)[0xc0a7e4]
/sbin/grubby[0x804a001]
======= Memory map: ========
00301000-00302000 r-xp 00301000 00:00 0          [vdso]
005a5000-005be000 r-xp 00000000 fd:00 2031632    /lib/ld-2.3.91.so
005be000-005bf000 r-xp 00018000 fd:00 2031632    /lib/ld-2.3.91.so
005bf000-005c0000 rwxp 00019000 fd:00 2031632    /lib/ld-2.3.91.so
00bf5000-00d1b000 r-xp 00000000 fd:00 2031869    /lib/i686/nosegneg/libc-2.3.91.so
00d1b000-00d1e000 r-xp 00125000 fd:00 2031869    /lib/i686/nosegneg/libc-2.3.91.so
00d1e000-00d1f000 rwxp 00128000 fd:00 2031869    /lib/i686/nosegneg/libc-2.3.91.so
00d1f000-00d22000 rwxp 00d1f000 00:00 0
042a0000-042ab000 r-xp 00000000 fd:00 2034061    /lib/libgcc_s-4.1.0-20060219.so.1
042ab000-042ac000 rwxp 0000a000 fd:00 2034061    /lib/libgcc_s-4.1.0-20060219.so.1
08048000-08089000 r-xp 00000000 fd:00 1540258    /sbin/grubby
08089000-0808c000 rw-p 00041000 fd:00 1540258    /sbin/grubby
0808c000-08094000 rw-p 0808c000 00:00 0
08a6c000-08ac9000 rw-p 08a6c000 00:00 0          [heap]
b7f4c000-b7f4d000 rw-p b7f4c000 00:00 0
b7f59000-b7f5a000 rw-p b7f59000 00:00 0
bfa45000-bfa5a000 rw-p bfa45000 00:00 0          [stack]
/sbin/new-kernel-pkg: line 89:  8252 Aborted                 /sbin/grubby
--add-kernel=$bootPrefix/$kernelName-$version $INITRD --copy-default
$makedefault --title "$title" ${mbkernel:+--add-multiboot="$mbkernel"}
${mbargs:+--mbargs="$mbargs"} --args="root=$rootdevice $kernargs"
--remove-kernel="TITLE=$title"
  Cleanup   : kernel-xen-hypervisor        ######################### [4/4]

Removed: kernel-xen-hypervisor.i686 0:2.6.15-1.1977_FC5
Installed: kernel-xen-hypervisor.i686 0:2.6.15-1.2009.4.2_FC5
Updated: kudzu.i386 0:1.2.33-1
Complete!


Version-Release number of selected component (if applicable):


How reproducible:

Not tested


Please let me know if there is any other information that I can provide.