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

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

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