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Configurando linux-image-2.6.32-5-amd64 (2.6.32-48squeeze3) ...
Running depmod.
Running update-initramfs.
update-initramfs: Generating /boot/initrd.img-2.6.32-5-amd64
W: Possible missing firmware /lib/firmware/rtl_nic/rtl8105e-1.fw for module r8169
W: Possible missing firmware /lib/firmware/rtl_nic/rtl8168e-2.fw for module r8169
W: Possible missing firmware /lib/firmware/rtl_nic/rtl8168e-1.fw for module r8169
W: Possible missing firmware /lib/firmware/rtl_nic/rtl8168d-2.fw for module r8169
W: Possible missing firmware /lib/firmware/rtl_nic/rtl8168d-1.fw for module r8169
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 2.6.32-5-amd64 /boot/vmlinuz-2.6.32-5-amd64
run-parts: executing /etc/kernel/postinst.d/pm-utils 2.6.32-5-amd64 /boot/vmlinuz-2.6.32-5-amd64
run-parts: executing /etc/kernel/postinst.d/update-notifier 2.6.32-5-amd64 /boot/vmlinuz-2.6.32-5-amd64
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 2.6.32-5-amd64 /boot/vmlinuz-2.6.32-5-amd64
Generating grub.cfg ...
Found background image: /usr/share/images/desktop-base/desktop-grub.png
Found linux image: /boot/vmlinuz-2.6.32-5-amd64
Found initrd image: /boot/initrd.img-2.6.32-5-amd64
Found linux image: /boot/vmlinuz-2.6.26-2-amd64
Found initrd image: /boot/initrd.img-2.6.26-2-amd64
Found linux image: /boot/vmlinuz-2.6.26-1-amd64
Found initrd image: /boot/initrd.img-2.6.26-1-amd64
/etc/grub.d/README: 2: All: not found
/etc/grub.d/README: 4: 00_*:: not found
/etc/grub.d/README: 5: 10_*:: not found
/etc/grub.d/README: 6: Syntax error: "(" unexpected
run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 2
Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/linux-image-2.6.32-5-amd64.postinst line 799.
dpkg: error al procesar linux-image-2.6.32-5-amd64 (--configure):
 el subproceso instalado el script post-installation devolvió el código de salida de error 2
configured to not write apport reports
                                      Se encontraron errores al procesar:
 linux-image-2.6.32-5-amd64
E: Sub-process /usr/bin/dpkg returned an error code (1)

resolució

dpkg --configure -a

Con esta simple orden, le decimos que termine la instalación pendiente. Si después de realizar este paso, seguimos teniendo los mis problemas (no desesperar), pongamos manos a la obra:

1.- Eliminar los archivos:

/var/lib/dpkg/info/"package-name".postrm

/var/lib/dpkg/info/"package-name".list

2.- apt-get clean all

3.- apt-get update

4.- apt-get upgrade