Score:0

Apparmor problem running firefox snap (Ubuntu 21.10/Xorg)

bd flag

I've just updated packages and firefox has stopped working. It seems to be an apparmor problem with this appearing in syslog:

Nov 21 10:49:03 sean-Latitude-7400 systemd[3078]: Started snap.firefox.firefox.992008a0-81d5-4d00-8641-84bf45088f76.scope.
Nov 21 10:49:03 sean-Latitude-7400 kernel: [ 3443.991060] audit: type=1400 audit(1637488143.158:116): apparmor="DENIED" operation="open" profile="snap.firefox.firefox" name="/proc/sys/dev/i915/perf_stream_paranoid" pid=24067 comm="GeckoMain" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
Nov 21 10:49:03 sean-Latitude-7400 systemd[3078]: snap.firefox.firefox.992008a0-81d5-4d00-8641-84bf45088f76.scope: Deactivated successfully.

Running firefox from command line gives this:

sean@sean-Latitude-7400 ~> firefox
Error: cannot open display: :0

As you can prob tell, I have an i915 graphics chipset on my laptop which seems to somehow be at the crux of the issue.

Any pointers appreciated.

mangohost

Post an answer

Most people don’t grasp that asking a lot of questions unlocks learning and improves interpersonal bonding. In Alison’s studies, for example, though people could accurately recall how many questions had been asked in their conversations, they didn’t intuit the link between questions and liking. Across four studies, in which participants were engaged in conversations themselves or read transcripts of others’ conversations, people tended not to realize that question asking would influence—or had influenced—the level of amity between the conversationalists.