On Wed, 12 Mar 2008, Tino Keitel wrote:

quoted text
> > > I use a tool called hidmon to control the parameters of my LCD in shell
> > > scripts. I just had the case where this tool didn't work after suspend
> > > to RAM. I just got this error message:
> > > 
> > > hid_force_open failed with return code 13
> > > 
> > > The kernel log contains lines like this:
> > > 
> > > usb 1-1.3: usbfs: USBDEVFS_CONTROL failed cmd hidmon rqt 129 rq 6 len 9 ret -110
> > > 
> > > Unplugging and replugging the USB cable of the LCD didn't work.
> > > However, after a further suspend/resume cycle it works.
> > > 
> > > This is Linux 2.6.25-rc5. The behaviour is not repoducible, though.
> > > However, I just mention it for the case that this might ring a bell
> > > somewhere.
> > 
> > This in fact looks like a problem with usbdevfs and/or libusb library, not 
> > the in-kernel HID drvier.
> > 
> > Did this work before? In 2.6.24? 2.6.23? Alan (added to CC, as well as USB 
> 
> It worked in 2.6.24 and several 2.6.25-rc kernels, including the
> currently running 2.6.25-rc5.

Please don't drop people and mailinglists from CC. It makes it hard to 
find your posts, if you do so.

I have restored it.

-- 
Jiri Kosina
SUSE Labs

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