Libusb support requires the usbfs. Does devfs work with libusb/usbfs?
Most distros use udev instead of devfs.

-dave

> -----Original Message-----
> From: Ed Davison [mailto:[EMAIL PROTECTED] 
> Sent: Tuesday, May 29, 2007 12:36 PM
> To: Suffield, David
> Cc: [email protected]
> Subject: RE: [Hplip-help] trouble with usblp interface
> 
> Yes, it does.  But, it does not print anything now.  Before I 
> upgraded to devfs I did not have any trouble printing.  This 
> printing problem seems to have started when I did that 
> upgrade and now I cannot get it to print for the life of me.
> 
> lpinfo -v fails to show a usb:// device after the usblp 
> removal message but it does continue to show the hp:// device.
> 
> 
> On Tue, 2007-05-29 at 17:21 +0000, Suffield, David wrote:
> > The "removing usblp" message is normal. HPLIP uses libusb 
> instead of 
> > usblp. Does lsusb see your printer ok?
> > 
> > > I have just installed hplip 1.7.4a and am receiving the following 
> > > errors
> > >         when trying to print anything:
> > >         
> > >         May 27 04:14:22 ebdhome hpiod: removing usblp driver
> > > interface=1
> > >         for
> > >         hp:/usb/psc_2400_series?serial=MY392D21JB6T
> > > io/hpiod/device.cpp
> > >         504
> > >         May 27 04:14:22 ebdhome drivers/usb/class/usblp.c: usblp0:
> > >         removed
> > >         May 27 04:14:33 ebdhome python: hp-testpage[11637]: 
> > > note: If an
> > >         error
> > >         occured, or the test page failed to print, refer 
> to the HPLIP
> > >         website
> > >         May 27 04:14:33 ebdhome python: 
> hp-testpage[11637]: note: at:
> > >         http://hplip.sourceforge.net for troubleshooting 
> and support.
> > 
> 
> 

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