On 02/10/2019 08:20:34-0700, Dmitry Torokhov wrote: > > I'm still not convinced it is useful to have an error in dmesg when the > > time is invalid, as long as userspace knows it is invalid. What is the > > course of action for the end user when that happens? > > Report it, or, in our case, we will see it in the feedback logs. > However I do agree that it is not the best option, even if we report > error to userspace I am not sure if it will handle it properly. What > userspace is supposed to do when presented with -EIO or similar? > I would say probably retry a few times if it gets -EIO and simply abort in case of -EINVAL. I'm not aware of any userspace tool behaving that way though. They all simply abort. -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com