http://bugzilla.suse.com/show_bug.cgi?id=920937
--- Comment #73 from Ian Powell
(In reply to Johannes Meixner from comment #30)
The attachment#626368 [details] contains (excerpt): ------------------------------------------------------------------------- D [11/Mar/2015:15:18:33 +0000] [Client 4] 2.0 CUPS-Get-Devices 1 ... D [11/Mar/2015:15:18:33 +0000] [CGI] argv[5] = "requested-attributes=all include-schemes='usb'" ... D [11/Mar/2015:15:18:33 +0000] [CGI] Started /usr/lib/cups/daemon/cups-deviced (PID 4389) ... D [11/Mar/2015:15:18:33 +0000] [cups-deviced] Started backend /usr/lib/cups/backend/usb (PID 4390) D [11/Mar/2015:15:18:33 +0000] [CGI] Loading USB quirks from "/usr/share/cups/usb". D [11/Mar/2015:15:18:33 +0000] [CGI] Loaded 114 quirks. D [11/Mar/2015:15:18:33 +0000] [CGI] list_devices D [11/Mar/2015:15:18:33 +0000] [CGI] libusb_get_device_list=10 D [11/Mar/2015:15:18:33 +0000] [cups-deviced] PID 4390 (usb) exited with no errors. ... D [11/Mar/2015:15:18:33 +0000] PID 4389 (/usr/lib/cups/daemon/cups-deviced) exited with no errors. -------------------------------------------------------------------------
ted /usr/lib/cups/daemon/cups-deviced (PID 15747)
... D [11/Mar/2015:07:48:33 +0100] [cups-deviced] Started backend /usr/lib/cups/backend/usb (PID 15748) D [11/Mar/2015:07:48:33 +0100] [CGI] Loading USB quirks from "/usr/share/cups/usb". D [11/Mar/2015:07:48:33 +0100] [CGI] Loaded 72 quirks. D [11/Mar/2015:07:48:33 +0100] [CGI] list_devices D [11/Mar/2015:07:48:33 +0100] [CGI] libusb_get_device_list=15 D [11/Mar/2015:07:48:33 +0100] [CGI] Failed to open device, code: -3 D [11/Mar/2015:07:48:33 +0100] [cups-deviced] PID 15748 (usb) exited with no errors.
Please do an strace here. We just need to know which syscall fails.
is this the command you want done? strace -o strace.usb /usr/lib/cups/backend/usb -- You are receiving this mail because: You are on the CC list for the bug.