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Timer stops working after resolution change #846

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tomaka opened this issue Feb 28, 2021 · 0 comments

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A-standalone-x86_64 T-bug

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tomaka commented Feb 28, 2021 •

edited

This problem has been happening for weeks now, and it's kind of blocking progress.

What happens is:

The compositor has a timer that triggers 60 times per second.
The VGA/VBE driver initializes all the VBE stuff, then switches resolution. During this switch, there is no timer ticking (I think it should, since we're running multiple CPUs, but I'm not sure with QEmu having this "fake multithreading" thing)
After that, the next timer tick takes a very long time to trigger (like, a minute or so).
Then the entire thing seems frozen.

tomaka added T-bug A-standalone-x86_64 labels

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