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I’ve been using Ubuntu 18.04 on a Raspberry Pi3 (ARMv7) with NoMachine and it was working fine connecting to it from a Windows client. Now I’ve upgraded to Ubuntu 20.04 and I cannot connect anymore and it’s telling me that no available sessions on this server. I have noticed the a huge number of entries are created under the /usr/NX/var/log/node directory, 24960 entries in about 48 hours and the session files contain this:
NXAGENT – Version 6.10.12
Copyright (C) 2001, 2019 NoMachine.
See http://www.nomachine.com/ for more information.
Session: Starting session at Sat Jun 13 03:39:02 2020.
Info: Agent running with pid 22825.
Info: Slave server running with pid 22838.
Info: Display running with pid 22839.
Info: Listening to slave connections on port 12001.
Info: Audio client started with pid 22847.
Info: Audio server started with pid 22846.
Info: Display server started with pid 22848.
/usr/NX/bin/nxnode.bin: symbol lookup error: /usr/NX/lib/libnxdifb.so: undefined symbol: __pow_finite
Attached is the archive containing the log files. I have deleted most of the entries from /usr/NX/var/log/node.
The symbol lookup error is a kernel-related issue. Reverting to an earlier kernel version is suggested for the time-being. We have opened a Trouble Report https://www.nomachine.com/TR06R09747 (please sign up to receive notification).
My linux image is:
linux-image-5.4.0-1012-raspi
But the ticket mentions kernel version 5.4.42 and later.
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