My sources.list is unmodified.


But whenever i try to update my Kali Linux ( linux-image-4.3.0-kali1-amd64 ) it returns the following error:


Code:
root@kali:~# apt-get upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  gir1.2-totem-1.0 libimobiledevice6 libpython3-stdlib python3 python3-minimal
  totem totem-plugins
The following packages will be upgraded:
  linux-image-4.3.0-kali1-amd64
1 upgraded, 0 newly installed, 0 to remove and 7 not upgraded.
Need to get 0 B/35.5 MB of archives.
After this operation, 8,192 B of additional disk space will be used.
Do you want to continue? [Y/n] Y
Reading changelogs... Done
Preconfiguring packages ...
(Reading database ... 299190 files and directories currently installed.)
Preparing to unpack .../linux-image-4.3.0-kali1-amd64_4.3.3-7kali1_amd64.deb ...
Unpacking linux-image-4.3.0-kali1-amd64 (4.3.3-7kali1) over (4.3.3-5kali4) ...
dpkg: error processing archive /var/cache/apt/archives/linux-image-4.3.0-kali1-amd64_4.3.3-7kali1_amd64.deb (--unpack):
 unable to make backup link of './boot/vmlinuz-4.3.0-kali1-amd64' before installing new version: Input/output error
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Errors were encountered while processing:
 /var/cache/apt/archives/linux-image-4.3.0-kali1-amd64_4.3.3-7kali1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)