Am Donnerstag, den 18.02.2021, 16:52 +0100 schrieb Bruno Thomsen: > Den fre. 12. feb. 2021 kl. 16.33 skrev Bruno Thomsen <bruno.thomsen@xxxxxxxxx>: > > Hi, > > > > I have been experience random kernel oops in the cdc-acm driver on > > imx7 (arm arch). Normally it happens during the first 1-3min runtime > > after power-on. Below oops is from 5.8.17 mainline kernel with an > > extra patch back-ported in an attempt to fix it: > > 38203b8385 ("usb: cdc-acm: fix cooldown mechanism") > > I can now boot board with 5.11 kernel without any extra patches and > it produce similar issue. Hopefully that make the oops more useful. > Issue has been seen on multiple devices, so I don't think it's a bad > hardware issue. Hi, is this a regression from 5.10? Regards Oliver