The USB ports and the ethernet port stop working on my Dell WD19TBS dock when hot-plugging it into my Dell Latitude 7340. Both work fine when the laptop boots with them attached.
Created attachment 306331 [details] Dmesg output when booting with the dock attached
Created attachment 306332 [details] Dmesg output when unplugging the dock after booting
Created attachment 306333 [details] Dmesg output when hot-plugging the dock
Created attachment 306334 [details] lsusb -vv output after booting with dock
Created attachment 306335 [details] lsusb -vv output without dock
Created attachment 306336 [details] lsusb -vv output with hot-plugged dock
Created attachment 306337 [details] lspci -vv output after booting with dock
Created attachment 306338 [details] lspci -vv output without dock
Created attachment 306339 [details] lspci -vv output with hot-plugged dock
This happens on kernel version 6.1.90. On versions 6.8.9 and 6.9.0 USB, ethernet and HDMI do not work at all. The firmware on the laptop and the dock are up to date.
On Fri, May 24, 2024 at 01:28:24PM +0000, bugzilla-daemon@kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=218882 > > --- Comment #10 from Christoph Blessing (chris24.blessing@gmail.com) --- > This happens on kernel version 6.1.90. On versions 6.8.9 and 6.9.0 USB, > ethernet and HDMI do not work at all. > > The firmware on the laptop and the dock are up to date. And this really is on an alpha platform? Please send this information to the linux-usb@vger.kernel.org mailing list. Also, why doesn't the newer versions work at all? thanks, greg k-h
(In reply to Greg Kroah-Hartman from comment #11) > On Fri, May 24, 2024 at 01:28:24PM +0000, bugzilla-daemon@kernel.org wrote: > > https://bugzilla.kernel.org/show_bug.cgi?id=218882 > > > > --- Comment #10 from Christoph Blessing (chris24.blessing@gmail.com) --- > > This happens on kernel version 6.1.90. On versions 6.8.9 and 6.9.0 USB, > > ethernet and HDMI do not work at all. > > > > The firmware on the laptop and the dock are up to date. > > And this really is on an alpha platform? > > Please send this information to the linux-usb@vger.kernel.org mailing > list. > > Also, why doesn't the newer versions work at all? > > thanks, > > greg k-h Hello, thanks for looking into this. What do you mean by "alpha platform"? The laptop is running NixOS. I do not know why they don't work on newer kernel versions.