On Thu, 2022-02-17 at 23:07 +0100, Jocelyn Falempe wrote: > On 17/02/2022 19:15, Lyude Paul wrote: > > Hi! Sorry for the late reply, I had to take some time off work > > unexpectedly. > > This is normal (although not great TBH, I'm not sure we should be printing > > an > > error message for that), it's the result of fwupd trying to probe the MST > > hub > > to see if it's a specific Dell dock that can receive updates over DP aux, > > but > > it's not smart enough to know it doesn't need to poke the DP aux ranges of > > downstream branches or non-MST ports in general. > I think MST topology is not exposed to userspace, so it would be hard > for fwupd to be smarter than that. We actually do expose a connector prop called "path" (or something like that) that can be used to determine this. although the format for that is admittedly a bit strange, but it should work > > > > > Would definitely accept patches to make this a non-error, or at least make > > this a non-error when the read/writes come from userspace > > I will try to provide a patch for this. > > Thanks, > -- Cheers, Lyude Paul (she/her) Software Engineer at Red Hat
