Re: kern/50586: USB broken with SMP on (or ACPI)

[Nick Hudson <skrll%netbsd.org@localhost>]

The following reply was made to PR kern/50586; it has been noted by GNATS.

From: Nick Hudson <skrll%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost, kern-bug-people%netbsd.org@localhost,
 gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/50586: USB broken with SMP on (or ACPI)
Date: Thu, 24 Dec 2015 11:06:37 +0000

 On 12/24/15 02:50, coypu%sdf.org@localhost wrote:
 >> Number:         50586
 >> Category:       kern
 >> Synopsis:       USB broken with SMP on (or ACPI)
 >> Confidential:   no
 >> Severity:       serious
 >> Priority:       medium
 >> Responsible:    kern-bug-people
 >> State:          open
 >> Class:          sw-bug
 >> Submitter-Id:   net
 >> Arrival-Date:   Thu Dec 24 02:50:00 +0000 2015
 >> Originator:     coypu
 >> Release:        7.99.25
 >> Organization:
 >> Environment:
 > NetBSD desk.Home 7.99.25 NetBSD 7.99.25 (GENERIC.201512231950Z) #0: Wed Dec 23 20:45:36 UTC 2015 builds%b45.netbsd.org@localhost:/home/builds/ab/HEAD/amd64/201512231950Z-obj/home/source/ab/HEAD/src/sys/arch/amd64/compile/GENERIC amd64
 >> Description:
 > USB doesn't work at all with ACPI on (no light in mouse, etc.)
 >
 > USB with ACPI off works strangely - clicking keyboard will not result in output until the mouse is moved.
 >
 > USB with ACPI and SMP off works correctly.
 >
 > I believe the USB SMP change is very recent, I don't recall experiencing about 1-2 weeks ago.
 
 Can you bisect and find which change caused the problem?
 
 Thanks,
 Nick