No GUI error reason for when 'Clear All' button for printer jobs doesn't work

Bug #1777531 reported by Ads20000
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
gnome-control-center (Ubuntu)
Invalid
Low
Till Kamppeter

Bug Description

The Clear All button for clearing printer jobs doesn't work and no explanation is given (via a dialogue box etc) with why. Am trying to print to a Pixma MP 230 via USB, this isn't a bug to report that that's apparently not working, but a bug to state that no reason is given in the GUI for why Clear All doesn't work. A reason should be given so that the user can take action?

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-control-center 1:3.28.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18
Uname: Linux 4.15.0-23-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CurrentDesktop: communitheme:ubuntu:GNOME
Date: Mon Jun 18 22:43:51 2018
InstallationDate: Installed on 2017-08-03 (319 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
SourcePackage: gnome-control-center
UpgradeStatus: Upgraded to bionic on 2018-04-22 (57 days ago)

Revision history for this message
Ads20000 (ads20000) wrote :
Revision history for this message
Ads20000 (ads20000) wrote :
Revision history for this message
Ads20000 (ads20000) wrote :

The denial is

```
Jun 18 22:51:10 adam-thinkpad-t430 kernel: audit: type=1400 audit(1529358670.977:81300): apparmor="DENIED" operation="capable" profile="/usr/sbin/cupsd" pid=2925 comm="cupsd" capability=12 capname="net_admin"
```

Can a good GUI error be given for errors like that?

summary: - 'Clear All' button for printer jobs doesn't work
+ No GUI error reason for when 'Clear All' button for printer jobs doesn't
+ work
Revision history for this message
Sebastien Bacher (seb128) wrote :

Thank you for your bug report. Is that option always failing?

Till, do you know avbout that apparmor denial?

Changed in gnome-control-center (Ubuntu):
assignee: nobody → Till Kamppeter (till-kamppeter)
importance: Undecided → Low
Revision history for this message
Till Kamppeter (till-kamppeter) wrote :

Does the command line equivalent

cancel -a

work?

Does the "Clear All" button work after

aa-complain cupsd

Changed in gnome-control-center (Ubuntu):
status: New → Incomplete
Revision history for this message
Till Kamppeter (till-kamppeter) wrote :

Please also attach your file

/etc/apparmor.d/usr.sbin.cupsd

Changed in gnome-control-center (Ubuntu):
status: Incomplete → Invalid
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