> -----Original Message----- > From: users-bounces@xxxxxxxxxxxxxxxxxxxxxxx [mailto:users- > bounces@xxxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Tim Waugh > Sent: Wednesday, June 23, 2010 6:21 AM > To: Community support for Fedora users > Subject: RE: USB Printer Install help needed > > On Tue, 2010-06-22 at 13:51 -0500, Smith, Herb wrote: > > That command (executed as root) produced absolutely no response. > > Let's try to find out what the usb backend is actually up to. > > Could you please run this command as root and attach the output?: > > strace /usr/lib/cups/backend/usb 2>&1 | tail -n +200 > > It might be that you have something (perhaps the 'hp' backend?) using libusb with > the printer, preventing the usblp kernel module from getting access. > > Tim. > */ I'm not sure how helpful this is, but I'm not sure what you're looking for: strace /usr/lib/cups/backend/usb 2>&1 | tail -n +200 open("/dev/usblp1", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp1", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp1", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usblp2", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp2", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp2", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usblp3", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp3", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp3", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usblp4", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp4", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp4", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usblp5", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp5", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp5", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usblp6", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp6", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp6", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usblp7", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp7", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp7", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usblp8", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp8", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp8", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usblp9", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp9", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp9", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usblp10", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp10", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp10", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usblp11", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp11", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp11", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usblp12", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp12", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp12", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usblp13", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp13", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp13", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usblp14", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp14", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp14", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usblp15", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/lp15", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) open("/dev/usb/usblp15", O_RDWR|O_EXCL|O_LARGEFILE) = -1 ENOENT (No such file or directory) exit_group(0) = ? Herb -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
