We had several clients with HP printers that faced this problem. This should really be fixed on LTS 20.04 as there is no simple workaround for the user
If ippusbxd is non functionnal I guess it should be removed on next 20.04.4 ** Summary changed: - USB scanning broken on focal by ippusbxd (was: hpmud and ippusbxd conflict) + USB scanning and printing broken on focal by ippusbxd (was: hpmud and ippusbxd conflict) ** Description changed: + SOLUTION : sudo apt remove ippusbxd + + ---- Initial report ----- + On Ubuntu 20.04 focal (with -proposed enabled). HPLIP=3.20.3. Previously there was a libmtp (udev) bug erroneously detecting HP printers as mtp devices. This was fixed. Now, I can try to scan-- from both simple-scan and hp-scan, hplip errors out: - Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 427: Found interface conf=0, iface=1, altset=0, index=1 Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 389: Active kernel driver on interface=1 ret=0 Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 515: invalid claim_interface 7/1/2: Device or resource busy Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 427: Found interface conf=0, iface=0, altset=1, index=3 Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 389: Active kernel driver on interface=0 ret=0 Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 515: invalid claim_interface 7/1/4: Device or resource busy Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 427: Found interface conf=0, iface=3, altset=0, index=9 Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 389: Active kernel driver on interface=3 ret=0 Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 515: invalid claim_interface ff/4/1: Device or resource busy Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 427: Found interface conf=0, iface=0, altset=0, index=11 Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 389: Active kernel driver on interface=0 ret=0 Apr 05 21:27:37 dani-mbp15 simple-scan[3464]: io/hpmud/musb.c 515: invalid claim_interface ff/cc/0: Device or resource busy Printer/scanner is an Officejet 4635. Scanning previously worked just fine a few months ago. Regression? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1871011 Title: USB scanning and printing broken on focal by ippusbxd (was: hpmud and ippusbxd conflict) To manage notifications about this bug go to: https://bugs.launchpad.net/hplip/+bug/1871011/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
