If you look at udev events, the /dev/video* devices are added and then they are removed. I don't know exactly why. If you don't know why this happens, I will email linux-media. Thanks, Frédéric > De: "Oliver Neukum" <oneukum@xxxxxxxx> > À: "FRÉDÉRIC PARRENIN" <frederic.parrenin@xxxxxxxxxxxxxxxxxxxxxx> > Cc: "linux-usb" <linux-usb@xxxxxxxxxxxxxxx> > Envoyé: Mardi 13 Mars 2018 15:45:08 > Objet: Re: Webcams not recognized on a Dell Latitude 5285 laptop > Am Dienstag, den 13.03.2018, 13:11 +0100 schrieb FRÉDÉRIC PARRENIN : > > Hi, >> I ran "udevadm monitor -kup" (this command does not terminate) and then "rmmod > > ipu3_cio2; modprobe ipu3_cio2", is that correct? > Yes, it is correct and the command is not supposed to terminate. > It logs udev events. > > Below is the output of udevadm after rmmod/modprobe. > According to this log, device nodes should exist. Can you check > again whether /dev/video* or /dev/media* exist? > If not this belongs probebly on linux-media. > Regards > Oliver !!! WARNING!!! New email address: frederic.parrenin@xxxxxxxxxxxxxxxxxxxxxx http://pp.ige-grenoble.fr/pageperso/parrenif/index.html ----- Mail original ----- > De: "Oliver Neukum" <oneukum@xxxxxxxx> > À: "FRÉDÉRIC PARRENIN" <frederic.parrenin@xxxxxxxxxxxxxxxxxxxxxx> > Cc: "linux-usb" <linux-usb@xxxxxxxxxxxxxxx> > Envoyé: Mardi 13 Mars 2018 15:45:08 > Objet: Re: Webcams not recognized on a Dell Latitude 5285 laptop > Am Dienstag, den 13.03.2018, 13:11 +0100 schrieb FRÉDÉRIC PARRENIN : > > Hi, >> I ran "udevadm monitor -kup" (this command does not terminate) and then "rmmod > > ipu3_cio2; modprobe ipu3_cio2", is that correct? > Yes, it is correct and the command is not supposed to terminate. > It logs udev events. > > Below is the output of udevadm after rmmod/modprobe. > According to this log, device nodes should exist. Can you check > again whether /dev/video* or /dev/media* exist? > If not this belongs probebly on linux-media. > Regards > Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html