Re: 10 seconds lag when connecting UPS device (usb_submit_urb(ctrl) failed: -1)

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Le Sun, 12 Aug 2012 17:23:30 -0400 (EDT),
Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> a écrit :

> On Sun, 12 Aug 2012, Laurent Bigonville wrote:
> 
> > > I don't know how well this will work, but you can tell the
> > > computer not to ask for all those reports by using an appropriate
> > > module parameter for the usbhid driver:
> > > 
> > > 	modprobe usbhid quirks=0x0463:0xffff:0x8
> > > 
> > > Or maybe you'll need to put an equivalent "options" line in some
> > > file under /etc/modprobe.d/.
> > > 
> > > Anyway, let's see if that works.
> > 
> > It seems it's with this parameter, the "lag" is down to 3 sec.
> 
> But does the UPS work okay when you use the parameter?  If it does,
> the quirk information can be added to a permanent table in the usbhid
> driver.

Yes it seems to work, the userspace driver can communicate with the
device (at least I can see the status of the UPS).

Thanks

Laurent Bigonville
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