On Fri, Jan 26, 2007 at 12:54:02PM -0500, Justin Piszcz wrote: > When I disconnect my UPS from the wall, I have to wait 15-30 seconds > before the USB drier 'polls' this information and tells me that the UPS is > on battery power (via knutclient or syslog via nut): > > [EMAIL PROTECTED] POWER ALERT on Fri Jan 26 12:49:29 EST 2007 > > With a serial connection, I would get the alerts IMMEDIATELY (0.5-1 > seconds) after disconnecting the UPS. My new machine does not have a > serial port built-in, only a serial header, and of course does not come > with an included cable, so I chose to use USB. > > My question is, how do I change the polling time for the USB subsystem to > match that of the serial port, or would I not want to do that for other > reasons? > > The reason I'd like to is I am not going to see any power alerts for > unless there is a power outage for longer than 15-30 seconds.
I think this is a userspace issue, as it's a userspace program that is doing the polling, right? Try asking the developers of it about this. I think you will find it is a FAQ... thanks, greg k-h - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/