Ok, well I do not understand, I just know my HP printer stopped working when I upgraded to 21.04, and installing hplip from HP directly made it work again.
-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_- Eskimo North Linux Friendly Internet Access, Shell Accounts, and Hosting. Knowledgeable human assistance, not telephone trees or script readers. See our web site: http://www.eskimo.com/ (206) 812-0051 or (800) 246-6874. On Thu, 6 Jan 2022, Michel-Ekimia wrote: > Date: Thu, 06 Jan 2022 08:13:20 -0000 > From: Michel-Ekimia <1871...@bugs.launchpad.net> > To: nan...@eskimo.com > Subject: [Bug 1871011] Re: USB scanning and printing broken on focal by > ippusbxd (was: hpmud and ippusbxd conflict) > > @Robert : you misunderstood , the problem is not the version of the > HPLIP , but the conflict with ippusbxd on USB device claiming. > > Auto configure usb printers is nice but we can live on 20.04 without it. > > -- > You received this bug notification because you are subscribed to a > duplicate bug report (1873748). > https://bugs.launchpad.net/bugs/1871011 > > Title: > USB scanning and printing broken on focal by ippusbxd (was: hpmud and > ippusbxd conflict) > > Status in HPLIP: > Invalid > Status in hplip package in Ubuntu: > Expired > Status in ippusbxd package in Ubuntu: > Confirmed > > Bug description: > 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? > > To manage notifications about this bug go to: > https://bugs.launchpad.net/hplip/+bug/1871011/+subscriptions > -- 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 ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs