On Tue, 15 Nov 2011, Hans Petter Selasky wrote:
On Tuesday 15 November 2011 21:54:28 m...@freebsd.org wrote:
On Tue, Nov 15, 2011 at 12:48 PM, Hans Petter Selasky
wrote:
Log:
Some brands of XHCI controllers needs more time to reset.
... and since there's no guarantee that hz is 1000 or
In response to this thread I've updated:
http://wiki.freebsd.org/TuningPowerConsumption
--HPS
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On Tue, Nov 15, 2011 at 1:22 PM, Hans Petter Selasky wrote:
> On Tuesday 15 November 2011 22:20:18 m...@freebsd.org wrote:
>> On Tue, Nov 15, 2011 at 1:02 PM, Hans Petter Selasky
> wrote:
>> > For USB compliant operation, the USB stack requires hz to be greater or
>> > equal to 250 hz, to put it
On Tue, Nov 15, 2011 at 1:22 PM, Hans Petter Selasky wrote:
> On Tuesday 15 November 2011 22:20:18 m...@freebsd.org wrote:
>> On Tue, Nov 15, 2011 at 1:02 PM, Hans Petter Selasky
> wrote:
>> > For USB compliant operation, the USB stack requires hz to be greater or
>> > equal to 250 hz, to put it
On Nov 15, 2011, at 1:24 PM, Hans Petter Selasky wrote:
>>
>> ... and I also just remembered that I have seen recommendations that,
>> when FreeBSD is used as a virtual machine, hz should be set to 100 so
>> that the virtual interrupt overhead is reduced. Those two
>> recommendations are at odds
On Tuesday 15 November 2011 22:21:31 m...@freebsd.org wrote:
> On Tue, Nov 15, 2011 at 1:20 PM, wrote:
> > On Tue, Nov 15, 2011 at 1:02 PM, Hans Petter Selasky
wrote:
> >> For USB compliant operation, the USB stack requires hz to be greater or
> >> equal to 250 hz, to put it like that. Mostly a
On Tuesday 15 November 2011 22:20:18 m...@freebsd.org wrote:
> On Tue, Nov 15, 2011 at 1:02 PM, Hans Petter Selasky
wrote:
> > For USB compliant operation, the USB stack requires hz to be greater or
> > equal to 250 hz, to put it like that. Mostly a requirement in USB
> > gadget/device mode.
>
>
On Tue, Nov 15, 2011 at 1:20 PM, wrote:
> On Tue, Nov 15, 2011 at 1:02 PM, Hans Petter Selasky wrote:
>> For USB compliant operation, the USB stack requires hz to be greater or equal
>> to 250 hz, to put it like that. Mostly a requirement in USB gadget/device
>> mode.
>
> Really? That's news to
On Tue, Nov 15, 2011 at 1:02 PM, Hans Petter Selasky wrote:
> For USB compliant operation, the USB stack requires hz to be greater or equal
> to 250 hz, to put it like that. Mostly a requirement in USB gadget/device
> mode.
Really? That's news to me. Is that documented somewhere? I know we
sti
On Tuesday 15 November 2011 21:54:28 m...@freebsd.org wrote:
> Is there some reason these functions aren't asking for a delay in
> terms of milli- or microseconds, and converting to hz internally?
There is no strong reason for this except, that when everything is computed in
system ticks, there i
On Tuesday 15 November 2011 21:54:28 m...@freebsd.org wrote:
> On Tue, Nov 15, 2011 at 12:48 PM, Hans Petter Selasky
>
> wrote:
> > Author: hselasky
> > Date: Tue Nov 15 20:48:57 2011
> > New Revision: 227541
> > URL: http://svn.freebsd.org/changeset/base/227541
> >
> > Log:
> > Some brands of
On Tue, Nov 15, 2011 at 12:48 PM, Hans Petter Selasky
wrote:
> Author: hselasky
> Date: Tue Nov 15 20:48:57 2011
> New Revision: 227541
> URL: http://svn.freebsd.org/changeset/base/227541
>
> Log:
> Some brands of XHCI controllers needs more time to reset.
... and since there's no guarantee that
Author: hselasky
Date: Tue Nov 15 20:48:57 2011
New Revision: 227541
URL: http://svn.freebsd.org/changeset/base/227541
Log:
Some brands of XHCI controllers needs more time to reset.
Reported by: Jan Henrik Sylvester
MFC after:1 week
Modified:
head/sys/dev/usb/controller/xhci.c
Mo
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