[LUG.ro] Sub-Process /usr/bin/dpkg returned an error code (1)

[Horacio Castellini]

Holas, en un hosting que me permite instalar un server debian al 
actualizar por apt-get update / upgrade no me permite actualizar el 
kernel... el error que me da con

dpkg --configure --pending

que es el mismo "apt-get -f install"

me dan estos errores...

Leyendo lista de paquetes... Hecho
Creando árbol de dependencias
Leyendo la información de estado... Hecho
0 actualizados, 0 se instalarán, 0 para eliminar y 0 no actualizados.
2 no instalados del todo o eliminados.
Se utilizarán 0 B de espacio de disco adicional después de esta operación.
Configurando linux-image-2.6.32-5-686 (2.6.32-48squeeze1) ...
Running depmod.
Running update-initramfs.
update-initramfs: Generating /boot/initrd.img-2.6.32-5-686
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/dkms 2.6.32-5-686 
/boot/vmlinuz-2.6.32-5-686
dkms: running auto installation service for kernel 2.6.32-5-686:
       blcr (0.8.2)...done.
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 2.6.32-5-686 
/boot/vmlinuz-2.6.32-5-686
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 2.6.32-5-686 
/boot/vmlinuz-2.6.32-5-686
Searching for GRUB installation directory ... found: /boot/grub
Searching for default file ... Generating /boot/grub/default file and 
setting the default boot entry to 0
entry not specified.
run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 1
Failed to process /etc/kernel/postinst.d at 
/var/lib/dpkg/info/linux-image-2.6.32-5-686.postinst line 799.
dpkg: error al procesar linux-image-2.6.32-5-686 (--configure):
  el subproceso instalado el script post-installation devolvió el código 
de salida de error 1
configured to not write apport reports
                                       Configurando 
linux-image-2.6.32-5-xen-686 (2.6.32-48squeeze1) ...
Running depmod.
Running update-initramfs.
update-initramfs: Generating /boot/initrd.img-2.6.32-5-xen-686
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/dkms 2.6.32-5-xen-686 
/boot/vmlinuz-2.6.32-5-xen-686
dkms: running auto installation service for kernel 2.6.32-5-xen-686:
       blcr (0.8.2)...done.
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 
2.6.32-5-xen-686 /boot/vmlinuz-2.6.32-5-xen-686
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 
2.6.32-5-xen-686 /boot/vmlinuz-2.6.32-5-xen-686
Searching for GRUB installation directory ... found: /boot/grub
Searching for default file ... Generating /boot/grub/default file and 
setting the default boot entry to 0
entry not specified.
run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 1
Failed to process /etc/kernel/postinst.d at 
/var/lib/dpkg/info/linux-image-2.6.32-5-xen-686.postinst line 799.
dpkg: error al procesar linux-image-2.6.32-5-xen-686 (--configure):
  el subproceso instalado el script post-installation devolvió el código 
de salida de error 1
configured to not write apport reports
                                       Se encontraron errores al procesar:
  linux-image-2.6.32-5-686
  linux-image-2.6.32-5-xen-686
E: Sub-process /usr/bin/dpkg returned an error code (1)

Alguna idea?