Re: ThinkPad X1E4 and P1G5 losing keystrokes under Linux
"D.T." <[email protected]> Fri, 14 Apr 2023 08:44:50 +0000
| Newsgroups | gmane.linux.hardware.thinkpad |
|---|---|
| Message-ID | <[email protected]> |
--===============6960749554764081646== Content-Type: multipart/alternative; boundary="=-lMY4kiE2K2e+QjtOAdm9" --=-lMY4kiE2K2e+QjtOAdm9 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable You probably didn't mean it that way, but are you sure the problem presents itself specifically and only on Linux? Specific keys or all keys? What's to say that this isn't a hardware issue? On Thu, 2023-04-13 at 12:07 +0200, Thilo-Alexander Ginkel wrote: > Hi there, >=20 > I have been using a ThinkPad X1 Extreme Edition Gen 4 and later a P1 > Gen 5 since late 2021. One issue that is driving me nuts is that > under > certain (yet unknown) conditions the ThinkPad seems to be > sporadically > losing keystrokes when running Linux. I reported the issue to Lenovo > a > long time ago, but no solution is in sight. >=20 > Has anyone also observed this behavior with a modern ThinkPad? To be > able to measure the issue I crafted a little Python script that > measures the interval between (monotonic) keystrokes and can thus > pretty easily detect when keystrokes are lost: > https://github.com/ginkel/thinkfail >=20 > I am also seeing the issue when booting my Laptop from a Kubuntu > 22.04 > Live USB image, so I'd rule out any specifics related to my personal > setup/configuration. >=20 > Any input is much appreciated! >=20 > Thanks, > Thilo --=-lMY4kiE2K2e+QjtOAdm9 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable <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 h= ardware issue?</div><div><br></div><div>On Thu, 2023-04-13 at 12:07 +0200, = Thilo-Alexander Ginkel wrote:</div><blockquote type=3D"cite" style=3D"margi= n: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 Edit= ion Gen 4 and later a P1<br></div><div>Gen 5 since late 2021. One issue tha= t is driving me nuts is that under<br></div><div>certain (yet unknown) cond= itions the ThinkPad seems to be sporadically<br></div><div>losing keystroke= s when running Linux. I reported the issue to Lenovo a<br></div><div>long t= ime ago, but no solution is in sight.<br></div><div><br></div><div>Has anyo= ne 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><d= iv>measures the interval between (monotonic) keystrokes and can thus<br></d= iv><div>pretty easily detect when keystrokes are lost:<br></div><div><a hre= f=3D"https://github.com/ginkel/thinkfail">https://github.com/ginkel/thinkfa= il</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 o= ut 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> --=-lMY4kiE2K2e+QjtOAdm9-- --===============6960749554764081646== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline LS0gClRoZSBsaW51eC10aGlua3BhZCBtYWlsaW5nIGxpc3QgaG9tZSBwYWdlIGlzIGF0OgpodHRw Oi8vbWFpbG1hbi5saW51eC10aGlua3BhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC10aGlu a3BhZA== --===============6960749554764081646==--