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

To: Till Kamppeter <till.kamppeter@gmail.com>, Brian Potkin <claremont102@gmail.com>, 982742@bugs.debian.org, mh <m.hatzold@web.de>
Subject: Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)
From: Alexander Pevzner <pzz@apevzner.com>
Date: Mon, 15 Feb 2021 17:19:04 +0300
Message-id: <[🔎] d4602f6b-871d-fd0d-35e4-d76824dd188e@apevzner.com>
Reply-to: Alexander Pevzner <pzz@apevzner.com>, 982742@bugs.debian.org
In-reply-to: <[🔎] 2ac62244-482d-ecf9-a38f-ba50903fe795@gmail.com>
References: <[🔎] 20210214161734.268a4875@neutower.picasso> <[🔎] 14022021152641.3dea0b92918d@desktop.copernicus.org.uk> <[🔎] 161324779934.20706.5555031179148562063.reportbug@localhost> <[🔎] 20210214174420.541d7be9@neutower.picasso> <[🔎] 14022021173253.9e50d3c17233@desktop.copernicus.org.uk> <[🔎] 161324779934.20706.5555031179148562063.reportbug@localhost> <[🔎] 20210214184718.73a2d15d@neutower.picasso> <[🔎] 14022021190026.2583941f96c5@desktop.copernicus.org.uk> <[🔎] 161324779934.20706.5555031179148562063.reportbug@localhost> <[🔎] 20210214203128.2adbc1df@neutower.picasso> <[🔎] 161324779934.20706.5555031179148562063.reportbug@localhost> <[🔎] 15022021094538.148238b3dc07@desktop.copernicus.org.uk> <[🔎] 2ac62244-482d-ecf9-a38f-ba50903fe795@gmail.com> <[🔎] 161324779934.20706.5555031179148562063.reportbug@localhost>

Michael,

On 2/15/21 2:01 PM, Till Kamppeter wrote:

Michael Hatzold (CCed) reports a problem with ipp-usb. The printerprovides a 7/1/4 interface on USB, meaning that it supports IPP-over-USBand with this, according to the standards, driverless printing (andscanning if it is a MFP).


I'm the author of ipp-usb, and I want to investigate this problem.

May I ask you to gather ipp-usb logs? To do so, please do the following:
1. Remove all old ipp-usb logs (rm /var/log/ipp-usb/*)
2. Restart ipp-usb and reproduce a problem
3. Send me all files from the /var/log/ipp-usb/ directory

--

	Wishes, Alexander Pevzner (pzz@apevzner.com)

Reply to:

References:
- Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)
  - From: mh <m.hatzold@web.de>
- Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)
  - From: Brian Potkin <claremont102@gmail.com>
- Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)
  - From: Michael Hatzold <m.hatzold@web.de>
- Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)
  - From: mh <m.hatzold@web.de>
- Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)
  - From: Brian Potkin <claremont102@gmail.com>
- Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)
  - From: mh <m.hatzold@web.de>
- Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)
  - From: Brian Potkin <claremont102@gmail.com>
- Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)
  - From: mh <m.hatzold@web.de>
- Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)
  - From: Brian Potkin <claremont102@gmail.com>
- Bug#982742: cups: config of usb printer now impossible due to usblp and libusb conficting (used to work!)
  - From: Till Kamppeter <till.kamppeter@gmail.com>

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