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Re: kern/48441: ums(4) flapping with recent logitech mice
The following reply was made to PR kern/48441; it has been noted by GNATS.
From: Ryo ONODERA <ryo_on%yk.rim.or.jp@localhost>
Subject: Re: kern/48441: ums(4) flapping with recent logitech mice
Date: Sun, 05 Jan 2014 17:02:56 +0900 (JST)
From: dholland%eecs.harvard.edu@localhost, Date: Wed, 11 Dec 2013 06:30:00
> This is presumably a bug workaround for Windows; I guess if you don't
> talk to the mouse for 60 seconds it assumes the OS's driver has wedged
> and reconnects itself.
> Probably we ought to try to figure out either how to disable this
> behavior, or how to detect it and add something to ums to pat the
> mouse regularly so it doesn't do this.
> If anyone knows of a useful channel, it might also help in the long
> run to send Logitech a cluebat labelled "exponential backoff".
I have 3 mice that has same behavior.
Is this related to USB autosuspend described in
Ryo ONODERA // ryo_on%yk.rim.or.jp@localhost
PGP fingerprint = 82A2 DC91 76E0 A10A 8ABB FD1B F404 27FA C7D1 15F3
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