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Linux Sun Ray/Virtual Desktop Infrastructure Server Hangs, Requires Reboot (Doc ID 1508972.1)

Last updated on JUNE 17, 2022

Applies to:

Sun Ray Software - Version SRS 5.3 to SRS 5.4.1 [Release 5.0]
Oracle Virtual Desktop Infrastructure - Version 3.3.1 to 3.5 [Release 3.0]
Linux x86-64


In an Oracle Virtual Desktop (VDI) environment on Linux servers, it is found that with one or more of the nodes in a cluster the entire operating system/kernel will hang/freeze.  The utaudio process may be seen to consume unusually high amounts of CPU prior to the freeze. This requires the server to be cold restarted to resolve the issue,

NOTE: This can also be seen when Sun Ray Software is running alone, without Virtual Desktop Infrastructure.

Messages like this can be seen in the messages file (/var/log/messages*) on the server:





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