Insync 3.1.7.40811 on Pop_OS 20.04 - ZLIB error

Bugs and issues Linux
#1

Hi!
I’m running Pop_OS 20.04, and the latest update to Insync (3.1.7.40811-xenial) no longer works. The version prior to this worked fine.

I get the following error message at launch:

$ insync
Traceback (most recent call last):
File “insync.py”, line 9, in
File “/usr/local/lib/python3.7/site-packages/PyInstaller/loader/pyimod03_importers.py”, line 627, in exec_module
File “idesklinux/platui_impl.py”, line 14, in
File “/usr/local/lib/python3.7/site-packages/PyInstaller/loader/pyimod03_importers.py”, line 627, in exec_module
File “idesklinux/htmlui_impl.py”, line 6, in
ImportError: /usr/lib/insync/libz.so.1: version `ZLIB_1.2.9’ not found (required by /lib/x86_64-linux-gnu/libpng16.so.16)
[11091] Failed to execute script insync

Thanks!

#2

I have the same problem, it happened in the update today! (13/05)

#3

Yes, same here. After update, this error appears and insync won’t start on Pop os 20.04

#4

I have a second laptop also running Pop_OS 20.04, but that hasn’t been updated in 3 days. It’s running version 3.1.5.40801, which works just fine. I’m trying to find an Insync repository where I can download it, replace the broken package, then pin the working version in APT until there’s a proper fix.

#5

OK - I’m back on the working version!

Steps:

1 - Uninstall the broken version:

sudo apt purge insync -y

2 - Tell APT to keep Insync at version 3.1.5-40801:

sudo echo “Package: insync” >> /etc/apt/preferences
sudo echo “Pin: version 3.1.5.40801-xenial” >> /etc/apt/preferences
sudo echo “Pin-Priority: 1001” >> /etc/apt/preferences

3 - Download & install Insync 3.1.5-40801:

cd /var/tmp
wget http://s.insynchq.com/builds/insync_3.1.5.40801-xenial_amd64.deb
sudo apt install ./insync_3.1.5.40801-xenial_amd64.deb
rm ./insync_3.1.5.40801-xenial_amd64.deb

4 - Update the APT cache & verify that both the “Installed” & “Candidate” versions are 3.1.5-40801:

sudo apt update -y
sudo apt-cache policy insync

(output of command below)
insync:
Installed: 3.1.5.40801-xenial <-- should be 3.1.5-40801-xenial
Candidate: 3.1.5.40801-xenial <-- should be 3.1.5-40801-xenial
Version table:
3.1.7.40811-xenial 500
500 http://apt.insync.io/ubuntu xenial/non-free amd64 Packages
*** 3.1.5.40801-xenial 1001
100 /var/lib/dpkg/status

Now you can upgrade your system, but Insync will stay put. When there is a working update, you can simply remove the “/etc/apt/preferences” entries (or remove the file, if this is all that’s in it).

#6

Hi:

It works for me, although for some reason I had to edit /etc/apt/preferences with a text editor (sudo nano /etc/apt/preferences/ for example) and add manually:

Package: insync
Pin: version 3.1.5.40801-xenial
Pin-Priority: 1001

The echo method gave me some weird error that I did not have time to Google :stuck_out_tongue:

Thank you very much, I hope the next version solves this error.

Regards

#7

I have the same issue in my Ubuntu 18.04 system.
I solved it replacing the libz.so.1 insync library by the system one:

$ cd /usr/lib/insync
$ sudo mv libz.so.1 libz.so.1.old
$ sudo ln -s /lib/x86_64-linux-gnu/libz.so.1
2 Likes
#8

Thank you very much.

The update broke Insync too on another machine with ElementaryOS 5.1 Hera and this solution worked flawlessly without reverting to the previous version.

All the best.

#9

I use the repo for eoan on Ubuntu 20.04 and PopOS 20.04 without issues.

deb http://apt.insync.io/ubuntu eoan non-free contrib

#10

Hi, I have the same problem on POP!_OS 20.04, I solved the with @chus solution.

#11

Also had same issue. Fixed using @chus ’ solution

#12

Thanks Sven - I changed my repo to “eoan”, and I’m now good to to on the latest version.