Comment 260 for bug 1247723
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0f7b58d
(Get the code!)
Hi Lv,
Thanks for all your work on this issue. It's certainly not easy, especially if you don't have the hardware available to test on yourself.
You are probably right about the racy behaviour. One important point though, is that you would need to miss either 8 (or was it 16?) events in a row during run time for the buffer to fill and for SCI_EVT to stop being given entirely.
Under normal usage, I think there's almost always going to be an event regularly enough that this "full" condition never occurs. It was only found to be a problem during suspend, where the EC controller seemed to continue logging, and after enough battery level or AC adapter changes it would stop triggering events even after resume.
My HDD was too full recently to build kernels, but I have just freed some space (a bit late, sorry) so if you want me to test anything please let me know.