Comment 85 for bug 2034477

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In , p0lloc (p0lloc-linux-kernel-bugs) wrote :

Same issue with IdeaPad Slim 3 14AMN8, quite a lot of good info in https://bugzilla.kernel.org/show_bug.cgi?id=217873 but no solution.

I have tried an immense amount of kernel parameter combinations and patching the latest mainline kernel with IRQ quirks of different combinations, to no avail.

The only combination of i8042 parameters that do ANYTHING is "i8042.direct i8042.dumbkbd i8042.noloop i8042.nopnp" which finally gets a working keyboard (but with an insane delay of 15-60 seconds per keypress). Dumbkbd doesn't seem strictly necessary but you receive 10-20 commas before any actual keyboard input gets through.

Really hoping for a solution or any suggestions on what to try next.