package libavfilter6 7:3.4.2-1build1 failed to install/upgrade: read error in '/var/lib/dpkg/info/libavfilter6:amd64.triggers': Input/output error

[raphael]

....

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: libavfilter6 7:3.4.2-1build1
ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
Uname: Linux 4.15.0-15-generic x86_64
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
Date: Fri Apr 13 11:43:19 2018
DuplicateSignature:
 package:libavfilter6:7:3.4.2-1build1
 Preparing to unpack .../23-libavfilter6_7%3a3.4.2-2_amd64.deb ...
 dpkg: error processing archive /tmp/apt-dpkg-install-6iSWTJ/23-libavfilter6_7%3a3.4.2-2_amd64.deb (--unpack):
  read error in '/var/lib/dpkg/info/libavfilter6:amd64.triggers': Input/output error
ErrorMessage: read error in '/var/lib/dpkg/info/libavfilter6:amd64.triggers': Input/output error
InstallationDate: Installed on 2018-04-12 (0 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3
PythonDetails: /root/Error: command ['which', 'python'] failed with exit code 1:, Error: [Errno 2] Arquivo ou diretório inexistente: "/root/Error: command ['which', 'python'] failed with exit code 1:": "/root/Error: command ['which', 'python'] failed with exit code 1:", unpackaged
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu1
 apt 1.6~beta1
SourcePackage: ffmpeg
Title: package libavfilter6 7:3.4.2-1build1 failed to install/upgrade: read error in '/var/lib/dpkg/info/libavfilter6:amd64.triggers': Input/output error
UpgradeStatus: No upgrade log present (probably fresh install)

[James Cowgill (jcowgill)]

Hi,

From dmesg:

[ 7188.393781] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
[ 7188.393788] ata1.00: irq_stat 0x40000008
[ 7188.393795] ata1.00: failed command: READ FPDMA QUEUED
[ 7188.393807] ata1.00: cmd 60/08:00:40:83:54/00:00:06:00:00/40 tag 0 ncq dma 4096 in
                        res 41/40:00:40:83:54/00:00:06:00:00/40 Emask 0x409 (media error) <F>
[ 7188.393813] ata1.00: status: { DRDY ERR }
[ 7188.393816] ata1.00: error: { UNC }
[ 7188.406166] ata1.00: configured for UDMA/133
[ 7188.406191] sd 0:0:0:0: [sda] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 7188.406197] sd 0:0:0:0: [sda] tag#0 Sense Key : Medium Error [current]
[ 7188.406203] sd 0:0:0:0: [sda] tag#0 Add. Sense: Unrecovered read error - auto reallocate failed
[ 7188.406209] sd 0:0:0:0: [sda] tag#0 CDB: Read(10) 28 00 06 54 83 40 00 00 08 00
[ 7188.406213] print_req_error: I/O error, dev sda, sector 106201920
[ 7188.406263] ata1: EH complete
[ 7190.390724] ata1.00: exception Emask 0x0 SAct 0x20 SErr 0x0 action 0x0
[ 7190.390734] ata1.00: irq_stat 0x40000008
[ 7190.390742] ata1.00: failed command: READ FPDMA QUEUED
[ 7190.390759] ata1.00: cmd 60/08:28:40:83:54/00:00:06:00:00/40 tag 5 ncq dma 4096 in
                        res 41/40:00:40:83:54/00:00:06:00:00/40 Emask 0x409 (media error) <F>
[ 7190.390766] ata1.00: status: { DRDY ERR }
[ 7190.390771] ata1.00: error: { UNC }
[ 7190.403018] ata1.00: configured for UDMA/133
[ 7190.403046] sd 0:0:0:0: [sda] tag#5 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 7190.403053] sd 0:0:0:0: [sda] tag#5 Sense Key : Medium Error [current]
[ 7190.403059] sd 0:0:0:0: [sda] tag#5 Add. Sense: Unrecovered read error - auto reallocate failed
[ 7190.403066] sd 0:0:0:0: [sda] tag#5 CDB: Read(10) 28 00 06 54 83 40 00 00 08 00
[ 7190.403070] print_req_error: I/O error, dev sda, sector 106201920
[ 7190.403122] ata1: EH complete

It looks like your harddisk has a bad sector and it couldn't to recover from failing to read it. This might indicate you have a failing harddisk. If you search for this line you should be able to find some more info about the error: "Unrecovered read error - auto reallocate failed".

James