On Wed, 19 Aug 2009 10:41:51 -0700 Kok, Auke wrote:

> Randy Dunlap wrote:
> > On Mon, 10 Aug 2009 16:12:48 -0700 Kok, Auke wrote:
> > 
> >> Randy Dunlap wrote:
> >>> powertop suggests booting with usbcore.autosuspend=1, so I do that,
> >>> but powertop still tells me that I should do that... :(
> >>>
> >>> $ cat /sys/module/usbcore/parameters/autosuspend 
> >>> 1
> >>>
> >>> # pwd
> >>> /sys/bus/usb/devices/usb1/power
> >>> [r...@ca-ostest293 power]# cat autosuspend 
> >>> 0
> >>> [r...@ca-ostest293 power]# cat level
> >>> auto
> >>>
> >>>
> >>> Is usbcore.autosuspend=1 not acting as expected?  or what?
> >> I removed this message and the related code a while back, can you try the 
> >> latest
> >> SVN branch and see if that still gives you issues?
> > 
> > I used today's git tree and this part is OK.
> > 
> > Now powertop tells me:
> > 
> > Suggestion: Disable or remove 'pcscd' from your system.
> > pcscd tends to keep the USB subsystem out of power save mode
> > and your processor out of deeper powersave states.
> >  Q - Quit   R - Refresh   K - kill pcscd 
> > 
> > 
> > although I've already told it to kill pcscd & it's not running...
> > this is annoying.
> > What does it want?  rm /usr/sbin/pcscd ?
> 
> the code detects process names only, so there apparently still is a process 
> named
> 'pcscd' running, and it will reappear as a suggestion.
> 
> can you confirm (with ps or similar) that it is really stopped?

Yes, I have already done that.

# ps auxw | grep pcsc
root     18431  0.0  0.0  60288   724 ttyS0    S+   03:55   0:00 grep pcsc
#


---
~Randy
LPC 2009, Sept. 23-25, Portland, Oregon
http://linuxplumbersconf.org/2009/
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