<html><head></head><body><div>You probably didn't mean it that way, but are you sure the problem presents itself specifically and only on Linux?</div><div>Specific keys or all keys?</div><div>What's to say that this isn't a hardware issue?</div><div><br></div><div>On Thu, 2023-04-13 at 12:07 +0200, Thilo-Alexander Ginkel wrote:</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div>Hi there,<br></div><div><br></div><div>I have been using a ThinkPad X1 Extreme Edition Gen 4 and later a P1<br></div><div>Gen 5 since late 2021. One issue that is driving me nuts is that under<br></div><div>certain (yet unknown) conditions the ThinkPad seems to be sporadically<br></div><div>losing keystrokes when running Linux. I reported the issue to Lenovo a<br></div><div>long time ago, but no solution is in sight.<br></div><div><br></div><div>Has anyone also observed this behavior with a modern ThinkPad? To be<br></div><div>able to measure the issue I crafted a little Python script that<br></div><div>measures the interval between (monotonic) keystrokes and can thus<br></div><div>pretty easily detect when keystrokes are lost:<br></div><div><a href="https://github.com/ginkel/thinkfail">https://github.com/ginkel/thinkfail</a><br></div><div><br></div><div>I am also seeing the issue when booting my Laptop from a Kubuntu 22.04<br></div><div>Live USB image, so I'd rule out any specifics related to my personal<br></div><div>setup/configuration.<br></div><div><br></div><div>Any input is much appreciated!<br></div><div><br></div><div>Thanks,<br></div><div>Thilo<br></div></blockquote><div><br></div><div><span></span></div></body></html>