On Sun, 02 Aug 2015 00:04:44 -0300, Christian N said: > I know that the presentation of the message is the responsibility of > the application (user space), but to do this is necesary an event from > usb driver (I think it).
A timeout with no activity at all can do it.. That's Userspace C 101 - select() with a timeout... > Nowdays when a non responsive device is > attached, "unable to enumerate USB device on port... " is logged a in > dmesg, but not event is dispatched (by example in usb_uevent). > Without an event application should poll the log (loading the system > unnecessarily) searching new "not responsive devices". > > To comply with the standard usb driver should be modified? No, because userspace can detect the condition on its own and tell a user about it. > I'm probably confusing responsibilities of user and kernel space. I > appreciate your opinion/answer. Yes, you are. Although I suspect the "standard" you're quoting is confusing them as well....
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