Am Montag, den 01.01.2018, 23:12 +0100 schrieb Roman Gruber : > A test kernel with the same kernel config with antique 4.1.x kernel on gentoo, oldest stable available kernel on gentoo, as described on kernel.org bugzilla, yielded in instantly working printer. But broken wifi which seems to be more a changed symbol of the wifi module over the kernel branches. > Root cause faulty kernel usb stack, as the only component exchanged was the kernel to get it going. > > a test installation of newst linux mint, on a very old notebook MSI Cr-700, + providing unzipped ppd file for my business printer instantly made it working. linux mint uses outdated old software of course. the old cups version is not in the gentoo portrage tree anymore. kernel 4.10 afaik is also dated. Did that kernel work? Did you test with it? As there is a regression, please state clearly what works and what does not work. 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