Bug#982742: solved

2021-02-15 Thread Alexander Pevzner
On 2/16/21 4:31 AM, mh wrote: comparing avahi settings was much less pain then I expected. Congratulations! had an active (non commented out) line: allow-interfaces=eth9 Which effectively protected Avahi from being working on all another interfaces, including the loopback interface. Nic

Bug#982742: solved

2021-02-15 Thread mh
Hi to all, comparing avahi settings was much less pain then I expected. On the installation with ipp-usb not working the file /etc/avahi/avahi-daemon.conf had an active (non commented out) line: allow-interfaces=eth9 On my installation with ipp-usb working this line in the respective file re

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread mh
Am Tue, 16 Feb 2021 01:11:32 +0300 schrieb Alexander Pevzner : Hi Alexander. Thanks for helping here. > > As I'm not very familiar with Avahi troubleshooting, any help or > ideas are welcome. > Do you suspect some configuration issue or anything which leaves traces within the file system? If so

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread Alexander Pevzner
Hi, with a help of Michael, I've investigated this problem down to its root cause, which appeared to be a misbehabing Avahi daemon. If in one console the following command is being running: avahi-publish -s test _test._tcp 0 The following command running in another console prints nothing:

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread mh
Am Tue, 16 Feb 2021 00:00:47 +0300 schrieb Alexander Pevzner : > Hi Michael, > > On 2/15/21 11:45 PM, mh wrote: > > Thanks. Let me know any time how I can help. > > Thanks for logs. Looks like something goes wrong with Avahi. To > check, please do the following experiment. > > 1. From one console,

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread Brian Potkin
On Mon 15 Feb 2021 at 19:36:29 +0100, mh wrote: > Am Mon, 15 Feb 2021 15:12:49 + > schrieb Brian Potkin : > > Only for curiosity: > On systems where there is NO problem, why do I see one printer in cups > config (network printer) resulting in two printers in the printing menu? Possibly becau

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread mh
Am Mon, 15 Feb 2021 18:57:44 + schrieb Brian Potkin : > ... > siduction is based on Debian unstable, so, if (A) and (B) are fully > uo to date, the printing systems should be identical. You have shown > that ipp-usb works fine on the siduction installation. That is what > (to me at least) is s

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread mh
Am Mon, 15 Feb 2021 15:12:49 + schrieb Brian Potkin : > On Mon 15 Feb 2021 at 14:27:59 +0100, mh wrote: > > > Am Mon, 15 Feb 2021 10:26:52 + > > schrieb Brian Potkin : > > > > > On Sun 14 Feb 2021 at 20:31:28 +0100, mh wrote: > > > > > > [...] > > > > > > > # ippfind -T 5 > > > > ~# > > >

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread Brian Potkin
On Mon 15 Feb 2021 at 18:40:25 +0100, mh wrote: > Am Mon, 15 Feb 2021 15:28:57 +0100 > schrieb Till Kamppeter : > > Hi Till, > > thanks for your efforts to help. But to avoid any confusion I summarize > the situation: > > (A) > My printer works fine with this computer under the following > con

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread Till Kamppeter
OK, no I understand, fresh installation or live ISO all works perfectly as intended, old installation shows the problem, so further investigations only on the old installation ... Till

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread mh
Am Mon, 15 Feb 2021 15:28:57 +0100 schrieb Till Kamppeter : Hi Till, thanks for your efforts to help. But to avoid any confusion I summarize the situation: (A) My printer works fine with this computer under the following conditions: Booting a LIVE-ISO (Debain/sid based ISO from siduction.org) o

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread Brian Potkin
On Mon 15 Feb 2021 at 14:27:59 +0100, mh wrote: > Am Mon, 15 Feb 2021 10:26:52 + > schrieb Brian Potkin : > > > On Sun 14 Feb 2021 at 20:31:28 +0100, mh wrote: > > > > [...] > > > > > # ippfind -T 5 > > > ~# > > > > An IPP printer is not found. This would fit the observation that > > cu

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread Till Kamppeter
On 15/02/2021 14:27, mh wrote: I then investigated the LIVE-ISO. To my surprise ipp-usb is installed within the LIVE-ISO. ipp-usb is part of the standard installation in Debian and Ubuntu, to support printers which do driverless IPP printing. Standard-conforming printers should work out-of-t

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread Alexander Pevzner
Michael, On 2/15/21 2:01 PM, Till Kamppeter wrote: Michael Hatzold (CCed) reports a problem with ipp-usb. The printer provides a 7/1/4 interface on USB, meaning that it supports IPP-over-USB and with this, according to the standards, driverless printing (and scanning if it is a MFP). I'm the

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread mh
Am Mon, 15 Feb 2021 10:26:52 + schrieb Brian Potkin : > On Sun 14 Feb 2021 at 20:31:28 +0100, mh wrote: > > [...] > > > # ippfind -T 5 > > ~# > > An IPP printer is not found. This would fit the observation that > cups-browsed has not set up a print queue. I have come to the > conclusion

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread Till Kamppeter
Alexander, on https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982742 Michael Hatzold (CCed) reports a problem with ipp-usb. The printer provides a 7/1/4 interface on USB, meaning that it supports IPP-over-USB and with this, according to the standards, driverless printing (and scanning if i

Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)

2021-02-15 Thread Brian Potkin
On Sun 14 Feb 2021 at 20:31:28 +0100, mh wrote: [...] > # ippfind -T 5 > ~# An IPP printer is not found. This would fit the observation that cups-browsed has not set up a print queue. I have come to the conclusion that the B432 does not implement IPP-over-USB correctly. A queue set up with a v