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rated 0 times [  9] [ 0]  / answers: 1 / hits: 4561  / 3 Years ago, thu, may 13, 2021, 9:58:40

I tried to upgrade from 18.04 to 20.04 however there are some held back packages that seem to be blocking me and i don't really understand how to fix them properly. The log file says 



2020-04-24 17:38:44,134 ERROR Dist-upgrade failed: 'Broken packages after upgrade: colord'


Checking the apt.log as the instructions mention i see a few with errors



Broken colord:amd64 Depends on libsane:amd64 < none | 1.0.29-0ubuntu5 @un umH > (>= 1.0.24)

  Considering libsane:amd64 15 as a solution to colord:amd64 37

  Added libsane:amd64 to the remove list

  Fixing colord:amd64 via keep of libsane:amd64



Broken libsensors-config:amd64 Conflicts on libsensors4:amd64 < 1:3.4.0-4 @ii gK >

  Considering libsensors4:amd64 34 as a solution to libsensors-config:amd64 1

  MarkKeep libsensors-config:amd64 < none -> 1:3.6.0-2ubuntu1 @un umN Ib > FU=0

  Holding Back libsensors-config:amd64 rather than change libsensors4:amd64



Investigating (3) libsensors5:amd64 < none -> 1:3.6.0-2ubuntu1 @un umN Ib >

Broken libsensors5:amd64 Depends on libsensors-config:amd64 < none | 1:3.6.0-2ubuntu1 @un umH >

  Considering libsensors-config:amd64 1 as a solution to libsensors5:amd64 2

  MarkKeep libsensors5:amd64 < none -> 1:3.6.0-2ubuntu1 @un umN Ib > FU=0

  Holding Back libsensors5:amd64 rather than change libsensors-config:amd64



Investigating (3) lm-sensors:amd64 < 1:3.4.0-4 -> 1:3.6.0-2ubuntu1 @ii umU Ib >

Broken lm-sensors:amd64 Depends on libsensors5:amd64 < none | 1:3.6.0-2ubuntu1 @un umH > (>= 1:3.5.0)

  Considering libsensors5:amd64 2 as a solution to lm-sensors:amd64 0

  MarkKeep lm-sensors:amd64 < 1:3.4.0-4 -> 1:3.6.0-2ubuntu1 @ii umU Ib > FU=0

  Holding Back lm-sensors:amd64 rather than change libsensors5:amd64



Investigating (4) libsnmp35:amd64 < none -> 5.8+dfsg-2ubuntu2 @un umN Ib >

Broken libsnmp35:amd64 Depends on libsensors5:amd64 < none | 1:3.6.0-2ubuntu1 @un umH > (>= 1:3.5.0)

  Considering libsensors5:amd64 2 as a solution to libsnmp35:amd64 7

  MarkKeep libsnmp35:amd64 < none -> 5.8+dfsg-2ubuntu2 @un umN Ib > FU=0

  Holding Back libsnmp35:amd64 rather than change libsensors5:amd64

 Try to Re-Instate (4) lm-sensors:amd64

  MarkKeep lm-sensors:amd64 < 1:3.4.0-4 -> 1:3.6.0-2ubuntu1 @ii umU Ib > FU=0



Investigating (5) libsane:amd64 < none -> 1.0.29-0ubuntu5 @un umN Ib >

Broken libsane:amd64 Depends on libsnmp35:amd64 < none | 5.8+dfsg-2ubuntu2 @un umH > (>= 5.8+dfsg)

  Considering libsnmp35:amd64 7 as a solution to libsane:amd64 15

  MarkKeep libsane:amd64 < none -> 1.0.29-0ubuntu5 @un umN Ib > FU=0

  Holding Back libsane:amd64 rather than change libsnmp35:amd64


There are some more errors but they seem to be coming back to these same ones. I tried to update/upgrade, fix broken packages, there is nothing to be done according to the feedback.



Does anyone have any ideas?


More From » upgrade
 Answers
1

After an aborted, almost complete, upgrade, I had a very similar problem. I have libsensors4 installed, and if I tried to remove it or install libsensors5, a huge number of other packages get removed.



The problem is that my libgl1-mesa-dri depends on libsensors4, as seen here:



$ apt-cache rdepends libsensors4

libsensors4

Reverse Depends:

  lm-sensors

  sysstat

  libgl1-mesa-dri

  libsensors-config

  libsensors-config


This package is not from the official Ubuntu package repository, but from a ppa kisak/kisak-mesa. You can see it in its version string 20.0.7~kisak1~b -- the problem is also that this is a higher version than the Ubuntu one:



$ sudo apt list   libgl1-mesa-dri

Listing... Done

libgl1-mesa-dri/now 20.0.7~kisak1~b amd64 [installed,local]

libgl1-mesa-dri/focal 20.0.4-2ubuntu1 i386 [residual-config]


So my solution (below) is to get rid of packages from this PPA. If you have similar outputs on the commands above, try the following to purge the PPA:



$ sudo ppa-purge -o kisak  -p kisak-mesa

Updating packages lists

PPA to be removed: kisak kisak-mesa

Warning:  Could not find package list for PPA: kisak kisak-mesa


If you can't purge it, like seen above, first add the PPA, then purge it again. If it's another PPA blocking you, replace the name in the command below.



$ sudo add-apt-repository ppa:kisak/kisak-mesa

[...]

$ sudo ppa-purge -o kisak  -p kisak-mesa

[...]

Suggested packages:

  lm-sensors

The following packages will be REMOVED:

  libsensors4

The following NEW packages will be installed:

  libllvm9:i386 libsensors-config libsensors5

The following packages will be DOWNGRADED:

  libegl-mesa0 libegl1-mesa libegl1-mesa-dev libgbm1 libgl1-mesa-dev libgl1-mesa-dri libgl1-mesa-glx libglapi-mesa libglapi-mesa:i386 libglx-mesa0

  libosmesa6 libosmesa6:i386 mesa-opencl-icd mesa-va-drivers mesa-vdpau-drivers mesa-vulkan-drivers mesa-vulkan-drivers:i386


Now the PPA is gone and apt will work better. Finally make sure you have all the desktop packages installed:



$ sudo apt install ubuntu-desktop

[#3771] Thursday, May 13, 2021, 3 Years  [reply] [flag answer]
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