Hello, I am on Debian Linux testing. And after an update (firmware-amd-graphics, xserver-xorg-video-amdgup and Mesa), my program often raises this error message:
amdgpu: The CS has been cancelled because the context is lost. When this message shows up (hundreds of lines are displaying in the console every seconds), the window does not show anything anymore. From what I understand from this message the context is lost, explaining why there is no more display. The program creates a single context at the begining, and a single thread is used (so the context is made current once). This same program works well on other plateforms (Debian + nvidia, Debian + intel, Windows + nvidia...). Also, I would like to add that since some months (since mesa 18.2.x), when allocating memory for VBOs, sometimes the system can take up to 1.5 second whereas generally it is almost instantaneous. Downgrading to the previous firmware solved the issue temporarily: after some hours of uptime of the OS, the same error can be raised. Generally, a reboot will solve temporarilly the issue (the message will not show up for some times), except when using the latest firmware and mesa version on debian where this message generally appears directly. Bugs have been reported on Debian.
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