Public bug reported: In Ubuntu 20.04.1 with *cups-browsed* 1.27.4-1, apparmor prevents `/usr/sbin/cups-browsed` to change its nice value.
$ sudo dmesg | grep apparmor [541870.509461] audit: type=1400 audit(1600898428.089:60): apparmor="DENIED" operation="capable" profile="/usr/sbin/cups-browsed" pid=62030 comm="cups-browsed" capability=23 capname="sys_nice" [628298.779668] audit: type=1400 audit(1600984854.115:61): apparmor="DENIED" operation="capable" profile="/usr/sbin/cups-browsed" pid=66850 comm="cups-browsed" capability=23 capname="sys_nice" [714667.424963] audit: type=1400 audit(1601071220.527:62): apparmor="DENIED" operation="capable" profile="/usr/sbin/cups-browsed" pid=76828 comm="cups-browsed" capability=23 capname="sys_nice" ** Affects: cups (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1897369 Title: apparmor: Allow cups-browsed to change nice value (CAP_SYS_NICE) Status in cups package in Ubuntu: New Bug description: In Ubuntu 20.04.1 with *cups-browsed* 1.27.4-1, apparmor prevents `/usr/sbin/cups-browsed` to change its nice value. $ sudo dmesg | grep apparmor [541870.509461] audit: type=1400 audit(1600898428.089:60): apparmor="DENIED" operation="capable" profile="/usr/sbin/cups-browsed" pid=62030 comm="cups-browsed" capability=23 capname="sys_nice" [628298.779668] audit: type=1400 audit(1600984854.115:61): apparmor="DENIED" operation="capable" profile="/usr/sbin/cups-browsed" pid=66850 comm="cups-browsed" capability=23 capname="sys_nice" [714667.424963] audit: type=1400 audit(1601071220.527:62): apparmor="DENIED" operation="capable" profile="/usr/sbin/cups-browsed" pid=76828 comm="cups-browsed" capability=23 capname="sys_nice" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1897369/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp