Re: PROBLEM: [ums-realtek] media change events incorrectly implemented?

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Please use Reply-To-All so that your messages get sent to the mailing 
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On Thu, 11 Dec 2014, Rubén Herrero wrote:

> There you go.
> 
> On Thu, Dec 11, 2014 at 8:22 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
> > On Tue, 9 Dec 2014, Rubén Herrero wrote:
> >
> >> With systemd 217, systemd-udevd complains every ~10 seconds (see below).
> >> No error shows up on 216. The systemd people claim this is a drivers issue.
> >> (See: https://bugs.freedesktop.org/show_bug.cgi?id=86414#c5)
> >>
> >> >Lennart Poettering:
> >> >Seems to be your card reader. The "ums-realtek" kernel USB driver seems to
> >> >implement media change events incorrectly. Please contact the kernel/driver
> >> >folks about this, there's little we can do about this from the systemd side.
> >
> > What does a usbmon trace show?
> >
> > Alan Stern

The usbmon trace shows that about every 21.3 seconds, the card reader 
is polled and it reports Not Ready; Medium Not Present.  This is 
appropriate when no card is inserted in the reader, and it does not 
indicate a medium change.

Alan Stern

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