package linux-image-extra-4.4.0-53-generic 4.4.0-53.74 failed to install/upgrade: run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 127

[lc+]

GRUB_CMDLINE_LINUX_DEFAULT: comando non trovato
run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code 127
Failed to process /etc/kernel/postrm.d at /var/lib/dpkg/info/linux-image-4.4.0-57-generic.postrm line 328.
dpkg: errore nell'elaborare il pacchetto linux-image-4.4.0-57-generic (--remove):

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: linux-image-extra-4.4.0-53-generic 4.4.0-53.74
ProcVersionSignature: Ubuntu 4.4.0-51.72-generic 4.4.30
Uname: Linux 4.4.0-51-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/pcmC0D0p: lorenzo 6534 F...m pulseaudio
 /dev/snd/controlC0: lorenzo 6534 F.... pulseaudio
Date: Wed Dec 21 22:42:22 2016
ErrorMessage: run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 127
InstallationDate: Installed on 2016-11-27 (24 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 004: ID 8087:0a2a Intel Corp.
 Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
 Bus 001 Device 002: ID 5986:0671 Acer, Inc
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 80Q7
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-51-generic.efi.signed root=UUID=48982b53-eaef-4689-9564-087ad58e3dfb ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions: grub-pc N/A
SourcePackage: grub
Title: package linux-image-extra-4.4.0-53-generic 4.4.0-53.74 failed to install/upgrade: run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 127
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/09/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: D5CN29WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: Paris 5A8
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40700 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo ideapad 300-15ISK
dmi.modalias: dmi:bvnLENOVO:bvrD5CN29WW:bd11/09/2015:svnLENOVO:pn80Q7:pvrLenovoideapad300-15ISK:rvnLENOVO:rnParis5A8:rvrSDK0J40700WIN:cvnLENOVO:ct10:cvrLenovoideapad300-15ISK:
dmi.product.name: 80Q7
dmi.product.version: Lenovo ideapad 300-15ISK
dmi.sys.vendor: LENOVO

[Steve Langasek (vorlon)]

The error in the log is:

GRUB_CMDLINE_LINUX_DEFAULT: comando non trovato

This shows that /etc/default/grub has been locally modified to not be a correct shell snippet. This is not a bug in the grub package, but a local configuration error.