The musb.c syslog error "Operation not permitted" most likely means you don't have your /dev/bus/usb/xxx/xxx permissions set correctly.
Use lsusb to get bus:devnum then check your device node permissions with the "ls -l" command. See the Technical Documentation:Portability Reference for more info http://hplip.sourceforge.net/tech_docs/tarball_install.html . -dave > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf > Of Zbigniew Luszpinski > Sent: Saturday, June 23, 2007 4:05 AM > To: hplip-devel@lists.sourceforge.net > Subject: [HPLIP-Devel] hplip 1.7.4a to 2.7.6: Now I can not print! > > After having problems: > "Something wrong happens to hplip after 1.7.1 release" > I tried 2.7.6 release hoping it will fix my issues. Still the > same problem. > Even worse: I can not print at all! hp-toolbox run in user > mode returns: > > error: Unable to communicate with device (code=12): > hp:/usb/Deskjet_5900_series?serial=CN6471T0C604KF > warning: Device not found > error: Unable to communicate with device (code=12): > hp:/usb/Deskjet_5900_series?serial=CN6471T0C604KF > warning: Device not found > > however printer is connected and power on. > I use usb 2.0 cable made by HP and bought in HP internet shop > together with printer. > > How can I debug this problem? > > I use libusb 0.1.12 > KDE info center in USB devices report this: > Deskjet 5900 series > Manufacturer: HP > Serial #:CN6471T0C604KF > Class 0 ((Defined at Interface level)) > Subclass: 0 > Protocol: 0 > USB version: 2.00 > Provider ID: 0x3f0 > Product ID: 0x8704 > Errata: 1.00 > Speed: 12 Mbit/s > Channels: 0 > Max packet size: 0 > > /var/log/messages reports this: > Jun 23 10:20:20 x-power python: io/hpmud/musb.c 966: unable > to open hp:/usb/Deskjet_5900_series?serial=CN6471T0C604KF > Jun 23 10:20:20 x-power python: hp-toolbox[4314] error: > Unable to communicate with device (code=12): > hp:/usb/Deskjet_5900_series?serial=CN6471T0C604KF > > Jun 23 12:18:45 x-power > Deskjet_5900_series?serial=CN6471T0C604KF: INFO: open device > failed; will retry in 30 seconds... > Jun 23 12:19:48 x-power Deskjet_5900_series?serial=CN6471T0C604KF: > io/hpmud/musb.c 512: invalid product id string: Operation not > permitted Jun 23 12:19:48 x-power > Deskjet_5900_series?serial=CN6471T0C604KF: > io/hpmud/musb.c 966: unable to open > hp:/usb/Deskjet_5900_series?serial=CN6471T0C604KF > > Now this bug is very serious. I really would like to help you > in debugging problem. Please give me directions where I can > start loking and which tools I should use. Which reports you > would like to see? > > Zbigniew Luszpinski > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ HPLIP-Devel mailing list HPLIP-Devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/hplip-devel
