[Pkg-gtkpod-devel] Bug#746303: Bug#745838: Bug#745838: cups: usb printer stopping printing anything after testing upgrade - Unable to send data to printer

[Julian Gilbey]

On Tue, Apr 29, 2014 at 03:27:06PM +0800, Chow Loong Jin wrote:
> On Mon, Apr 28, 2014 at 09:23:09PM +0100, Julian Gilbey wrote:
> > clone 745838 -1
> > reassign -1 libusbmuxd2 1.0.9-1
> > retitle -1 libusbmuxd2: breaks cups for some USB printers: causes LIBUSB_ERROR_PIPE
> > thanks
> > 
> > I hadn't noticed: usbmuxd and libusbmuxd2 have split into separate
> > packages.  I had upgraded both when this bug appeared: usbmuxd to
> > 1.0.8-5 and libusbmuxd2 to 1.0.9-1: I don't know which is the guilty
> > party, or maybe it's some sort of interaction between them?
> 
> As far as I can tell, libusbmuxd doesn't talk to USB devices directly, so that
> shouldn't be the issue. usbmuxd is only supposed to mux USB devices for iPhones,
> so it really shouldn't be the issue either. Could you verify that it really is
> usbmuxd/libusbmuxd causing the issue by downgrading both packages to what you
> had before this?

I had thought the same, but as soon as I downgraded these packages
(and only these, making no other changes) and restarted cups, cups was
once again able to print to the printer.

It is bizarre indeed, and I have no idea what the cause of the problem
is.

   Julian