By default USB devices are not suspended. You can use usbconfig power_save
to enable automatic power save for all devices.
--HPS
___
freebsd-acpi@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-acpi
To unsubscribe, send any
In message 4cc732c7.50...@freebsd.org, Alexander Motin wrote:
Takanori Watanabe wrote:
Is this behavior expected, or something wrong?
I noticed one of usb host controller device shares HPET irq.
When I implement interrupt filter in uhci driver, the load average
goes to 0 as before.
Nate Lawson wrote:
On 10/26/2010 12:57 PM, Alexander Motin wrote:
Takanori Watanabe wrote:
I updated my FreeBSD tree on laptop, to the current
as of 18 Oct.2010, it works fine with CPU C3 state enabled,
I think this is your achievement of event time scheduler,
thanks!
Ah, so mav@
Takanori Watanabe wrote:
In message 4cc732c7.50...@freebsd.org, Alexander Motin wrote:
Most likely you should be able to avoid interrupt sharing using some
additional HPET options, described at hpet(4).
Try to disable using shared IRQ with uhci, the IRQ used by HPET become cpu:
interrupt
Quoting Alexander Motin m...@freebsd.org (from Tue, 26 Oct 2010
22:57:59 +0300):
Takanori Watanabe wrote:
It's time to implement powertop for freebsd, isn't it?
Surely it is. I was even thinking about possibility to port one from
OpenSolaris, but other work distracted me. You may take
On Wednesday 27 October 2010 10:14:18 Alexander Motin wrote:
As I understand, if respective USB port is not used, USB stack should
put it into power_save mode not poll so often to deny entering C3 state.
USB will stop the hardware from polling RAM, but still a 4 second root HUB
software
In message 4cc7db2a.2090...@freebsd.org, Alexander Motin wrote:
Takanori Watanabe wrote:
In message 4cc732c7.50...@freebsd.org, Alexander Motin wrote:
Most likely you should be able to avoid interrupt sharing using some
additional HPET options, described at hpet(4).
Try to disable using
Takanori Watanabe wrote:
I updated my FreeBSD tree on laptop, to the current
as of 18 Oct.2010, it works fine with CPU C3 state enabled,
I think this is your achievement of event time scheduler,
thanks!
But when USB driver is enabled, the load average is considerablly
high (0.6 to 1.0)