Re: kern/46696 (uhub disables port where USB keyboard attached)

[Andreas Gustafsson <gson%gson.org@localhost>]

The following reply was made to PR kern/46696; it has been noted by GNATS.

From: Andreas Gustafsson <gson%gson.org@localhost>
To: Nick Hudson <skrll%netbsd.org@localhost>
Cc: gnats-bugs%NetBSD.org@localhost,
    kern-bug-people%netbsd.org@localhost,
    netbsd-bugs%netbsd.org@localhost,
    gnats-admin%netbsd.org@localhost,
    mishka%NetBSD.org@localhost,
    kato%wide.ad.jp@localhost
Subject: Re: kern/46696 (uhub disables port where USB keyboard attached)
Date: Sat, 14 Sep 2013 12:06:49 +0300

 Nick Hudson wrote:
 > Can you test today's -current again and then try -current with this 
 > patch and report results.
 
 I have now tested this using -current sources from 2013.09.12.07.26.13.
 
 With the unmodified -current soruces (without your patch), I got
 "uhub2: device problem, disabling port 2" in 4 boots out of 10.
 
 With your patch, I got "uhub2: device problem, disabling port 2"
 in 5 boots out of 10.  In other words, the patch made no statistically
 significant difference.
 
 Here is a diff between the relevant parts of the dmesg output from a
 successful boot and an unsuccessful one:
 
   < uhidev0 at uhub2 port 2 configuration 1 interface 0
   < uhidev0: Belkin Components USB-PS2 Adapter, rev 1.10/1.20, addr 3, iclass 
3/1
   < ukbd0 at uhidev0: 8 modifier keys, 6 key codes
   < wskbd0 at ukbd0: console keyboard, using wsdisplay0
   < uhidev1 at uhub2 port 2 configuration 1 interface 1
   < uhidev1: Belkin Components USB-PS2 Adapter, rev 1.10/1.20, addr 3, iclass 
3/1
   < ums0 at uhidev1: 5 buttons and Z dir
   < wsmouse0 at ums0 mux 0
   ---
   > uhub2: device problem, disabling port 2
 
 Thank you for looking into this, and if there are any more tests I can
 run, I will be happy to do so.
 -- 
 Andreas Gustafsson, gson%gson.org@localhost